# --- ## Pages - [Sample Page](https://envigaurd.com/topics/sample-page/): This is an example page. It’s different from a blog post because it will stay in one place and will... --- ## Posts - [HVAC Inspection Checklist for Pharmaceutical, Industrial, and Commercial Facilities](https://envigaurd.com/topics/hvac-inspection-checklist-pharma-industrial-commercial/): Download Envigaurd’s HVAC inspection checklist to ensure your pharmaceutical, industrial, and commercial facilities to Improve air quality, safety, and efficiency with expert inspections. - [What Is a Centrifugal Blower Impeller?](https://envigaurd.com/topics/centrifugal-blower-impeller/): Explore different types of centrifugal blower impellers, their industrial applications, and expert tips to select the perfect impeller for your airflow needs. - [HVAC System Working principle](https://envigaurd.com/topics/hvac-system-working-principle/): The HVAC system working principle shows how this technology is crucial in industries such as petrochemical plants, food processing, and pharma, etc. - [What is HVAC System, and how does it work?](https://envigaurd.com/topics/what-is-hvac-system/): The system which helps in cooling and heating your room is called the HVAC system. It is helpful for both residential as well as commercial buildings. - [Basement Ventilation Systems: Importance, Types & Best Solutions for a Healthy Living Space](https://envigaurd.com/topics/basement-ventilation-systems/): best basement ventilation systems to prevent moisture, mold, and poor air quality. Learn about natural & mechanical ventilation, expert recommendations, and installation tips for a healthier - [How to Improve Air Circulation in Basements: A Comprehensive Guide](https://envigaurd.com/topics/how-to-improve-air-circulation-in-basement/): Keep your basement fresh and moisture-free with powerful air circulation fans. Learn how to enhance ventilation and prevent stale air buildup. - [Air Pollution Control Solutions for Industries](https://envigaurd.com/topics/air-pollution-control-solutions-for-industries/): Learn how air pollution control systems like wet scrubbers and filtration units help industries reduce emissions and meet environmental regulations. - [How to Calculate HVAC Load | HVAC Load Calculator](https://envigaurd.com/topics/how-to-calculate-hvac-load/): Learn how to calculate HVAC load accurately with our HVAC load calculator. Get precise heating and cooling estimates for commercial, industrial, and residential spaces. - [What is Wet Scrubber System](https://envigaurd.com/topics/wet-scrubber-systems/): Learn about wet scrubber systems, and their working principles, types, components, maintenance, and how to select the right system for compliance and efficiency. - [Difference Between Wet Scrubbers vs. Dry Scrubbers](https://envigaurd.com/topics/wet-scrubbers-vs-dry-scrubbers/): Explore the key differences between wet and dry scrubbers, including their mechanisms, advantages, and suitability for various industrial applications. - [Wet Scrubber System Working Principle - A Complete Guide](https://envigaurd.com/topics/wet-scrubber-system-working-principle/): Learn about the wet scrubber system working principle and how it efficiently removes pollutants across various industries. - [Scrubber System Working Principle - A Complete Guide](https://envigaurd.com/topics/scrubber-system-working-principles/): Introduction to Scrubber Systems in Air Pollution Control Air pollution control is a critical aspect of industrial operations, ensuring compliance... - [Advanced HVAC Duct Size Calculator Online For Free](https://envigaurd.com/topics/duct-size-calculator/): Use Envigaurd's advanced duct size calculator online for free to accurately determine the right duct sizes for your HVAC system. Optimize airflow, reduce energy costs, and enhance system efficiency with precise calculations tailored for commercial, industrial, and pharmaceutical applications. - [Acoustic Insulation in HVAC: Enhance Comfort & Performance](https://envigaurd.com/topics/acoustic-insulation-in-hvac/): Acoustic insulation in HVAC systems reduces noise, improves comfort, and enhances system performance. Discover how to soundproof your HVAC effectively. - [Air Terminal Unit In HVAC Explained: For Better Systems](https://envigaurd.com/topics/air-terminal-unit-hvac/): Learn about Air Terminal Units (ATUs) in HVAC systems, their functions, types, and benefits in airflow control for efficient heating, cooling, and ventilation. - [Apparatus Dew Point Temperature: A Guide to Accurate Moisture Measurement](https://envigaurd.com/topics/apparatus-dew-point-temperature/): Learn how apparatus dew point temperature affects moisture measurement in HVAC, manufacturing, and environmental control. - [BTU Meters in HVAC: A Guide to BTU Energy Measurement Systems](https://envigaurd.com/topics/btu-meter/): Discover what a BTU meter is and how it works. Learn how BTU meters work in HVAC, types, and energy optimization strategies. Read more in this blog! - [CFM Formula: Understanding Airflow Calculations](https://envigaurd.com/topics/cfm-formula/): Explore the importance of CFM in HVAC systems, how to calculate it, its role in comfort and energy efficiency, plus key airflow factors for optimal performance. - [How to Calculate CFM in HVAC: CFM Calculator](https://envigaurd.com/topics/how-to-calculate-cfm-in-hvac/): Learn the CFM calculation formula in HVAC to determine accurate airflow for efficient heating, ventilation, and air conditioning system performance. - [The Role of Actuators in HVAC Efficiency](https://envigaurd.com/topics/actuators-in-hvac-system/): Discover how actuators in HVAC systems improve efficiency and comfort through precise airflow and temperature control. Learn about types, benefits, and applications. - [What is Industrial Blower, Types, Working Principle and More](https://envigaurd.com/topics/what-is-industrial-blower/): Learn what an industrial blower is, its types, uses, and key features. Discover how industrial blowers are crucial for various applications like HVAC, ventilation, and material handling. - [SOP for HVAC Project Engineers](https://envigaurd.com/topics/sop-for-hvac-project-engineers/): Discover the essential guidelines and best practices for HVAC project engineers with our comprehensive SOP (Standard Operating Procedure). Streamline your processes, ensure efficient project management, and optimize HVAC system installations. Access expert insights and actionable steps to enhance your engineering projects. Get started today and excel in your role as an HVAC project engineer. - [HVAC System Inspection Checklist](https://envigaurd.com/topics/hvac-system-inspection-checklist/): An HVAC system inspection checklist is a tool that helps monitor the HVAC systems in your home and commercial spaces. This checklist consists of considering the various aspects while inspecting HVAC. - [How to Find the Best HVAC Company](https://envigaurd.com/topics/how-to-find-best-hvac-company/): Among the most costly systems in your business is the HVAC system. As a result, you’re probably doing everything you... - [Commercial HVAC Installation Guideline](https://envigaurd.com/topics/hvac-installation-guideline/): Commercial HVAC Installation Guideline An AC operates by taking in hot air & pulling it through a cooling system. In... - [How To Setup exhaust System And Its Importance In Research Laboratory?](https://envigaurd.com/topics/how-to-setup-exhaust-system/): Research laboratories have to take numerous security measures because they often work with harmful chemicals and elements. Even the slightest... - [Exhaust System Guide for the Food Processing Industry](https://envigaurd.com/topics/exhaust-system-guide-for-the-food-processing-industry/): The food processing industry is divided into the consumption, catering, & supply of food products. Energy efficiency, hygiene, & reduction... - [Exhaust System Guide for the Pharmaceutical Industry](https://envigaurd.com/topics/exhaust-system-guide-for-the-pharmaceutical-industry/): Most pharmaceutical companies maintain controlled surroundings workspaces for pilot production, research &, occasionally, for manufacturing of the general products. All these pharma companies share... - [Exhaust System Guide for the fertilization industry](https://envigaurd.com/topics/exhaust-system-guide-for-the-fertilization-industry/): During the pandemic, when everyone was stuck at home, many people got new hobbies. Some of the most common hobbies... - [Exhaust System Guide for the automotive automobile industry](https://envigaurd.com/topics/exhaust-system-guide-for-the-automotive-automobile-industry/): What are Exhaust Systems? Automotive exhaust systems are put in place in vehicles to channel out the gases produced during... - [Exhaust System Guide for Petroleum Oil and gas industry](https://envigaurd.com/topics/exhaust-system-guide-for-petroleum-oil-and-gas-industry/): What are Exhaust Systems? Industrial applications for manufacturing, transportation, and other machinery and petrochemical engineering-based applications find their energy to... - [How to Control Air Pollution in Cement Industries](https://envigaurd.com/topics/how-to-control-air-pollution-in-cement-industries/): In recent years in India, urbanization advanced at a rapid phase. Rural areas have advanced into cities. Cities have developed... - [10 ways to Reduce Air Pollution](https://envigaurd.com/topics/10-ways-to-reduce-air-pollution/): Today, we breathe air that is full of toxic and harmful pollutants. Air pollution not only affects mankind but also... - [What is an HVAC System?](https://envigaurd.com/topics/what-is-an-hvac-system/): We all are living in a modern world surrounded by various modern technology, which makes our work easier and faster... - [How is HVAC Industry Addressing Climate Change and Sustainability?](https://envigaurd.com/topics/how-is-hvac-industry-addressing-climate-change-and-sustainability/): Climate change is one of the significant issues we are facing nowadays, and it plays a vital role in our... - [HVAC: What’s the best way to clean central air ducts?](https://envigaurd.com/topics/hvac-whats-the-best-way-to-clean-central-air-ducts/): Everyone knows what air pollution is, but how many of you know how it is caused? Air pollution is caused... - [How to control air pollution in pharmaceutical Industries?](https://envigaurd.com/topics/how-to-control-air-pollution-in-pharmaceutical-industries/): Air pollution is one of the significant reasons for climate change today. The quality of the air we breathe is... - [Does a split AC bring in air from outside the room?](https://envigaurd.com/topics/does-a-split-ac-bring-in-air-from-outside-the-room/): Does a split AC take air from outside? Learn how split air conditioners work and whether they pull fresh air in, in this expert guide on HVAC systems." - [Why HVAC services and solutions for commercial kitchens is important?](https://envigaurd.com/topics/why-hvac-services-and-solutions-for-commercial-kitchens-is-important/): Food is one of the essential needs of all living organisms, and the kitchen is the area where we cook... - [5 Ways to Improve Indoor Air Quality](https://envigaurd.com/topics/5-ways-to-improve-indoor-air-quality/): Like food and water, the air is one of the necessities that everyone needs. Fresh air is essential for a... - [What are the different types of HVAC systems?](https://envigaurd.com/topics/what-are-the-different-types-of-hvac-systems/): Today in this article, we will be discussing the different types of HVAC systems that are available. Before going to... - [6 HVAC devices that can turn your indoor quality around](https://envigaurd.com/topics/6-hvac-devices-that-can-turn-your-indoor-quality-around/): We spent hours of our time ensuring that every corner of our house is clean. But indoor air quality is... - [How to control air pollution in petroleum refinery](https://envigaurd.com/topics/how-to-control-air-pollution-in-petroleum-refinery/): Petroleum refineries have a tremendous effect on the environment. Oil refinery companies emit massive quantities of gases such as sulfur... - [Which type of gas is in the HVAC system?](https://envigaurd.com/topics/which-type-of-gas-is-in-the-hvac-system/): In this article, we will be discussing the types of gases that are in the HVAC system. Before going into... - [Exhaust System Guide in Paint Industry](https://envigaurd.com/topics/exhaust-system-guide-in-paint-industry/): If you are working in the paint industry or you own one, then you need to understand the importance of... - [Hello world!](https://envigaurd.com/topics/hello-world/): Welcome to WordPress. This is your first post. Edit or delete it, then start writing! - [How to make an indoor carbon dioxide filter](https://envigaurd.com/topics/how-to-make-an-indoor-carbon-dioxide-filter/): Carbon dioxide in an indoor environment is one of the air pollutants. It is necessary for people and the air-conditioning... --- # # Detailed Content ## Pages - Published: 2021-08-21 - Modified: 2021-08-21 - URL: https://envigaurd.com/topics/sample-page/ This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this: Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, have a great dog named Jack, and I like piña coladas. (And gettin' caught in the rain. ) ... or something like this: The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community. As a new WordPress user, you should go to your dashboard to delete this page and create new pages for your content. Have fun! --- --- ## Posts > Download Envigaurd’s HVAC inspection checklist to ensure your pharmaceutical, industrial, and commercial facilities to Improve air quality, safety, and efficiency with expert inspections. - Published: 2025-06-09 - Modified: 2025-06-10 - URL: https://envigaurd.com/topics/hvac-inspection-checklist-pharma-industrial-commercial/ - Categories: HVAC In pharmaceutical cleanrooms, industrial plants, laboratories, commercial offices, and modern retail buildings, HVAC systems are not just about temperature control. They play a vital role in ensuring compliance, safety, energy efficiency, and uninterrupted operations. These environments require precise control of temperature, humidity, airflow direction, and filtration levels. A small deviation can lead to equipment failures, contamination risks, or non-compliance with regulatory standards. Regular HVAC inspections are essential to meet the demands of strict guidelines such as Good Manufacturing Practices (GMP), ISO 14644, ASHRAE 62. 1/170, and NABL. These inspections help maintain optimal filter performance, ensure required air changes per hour, and verify that critical areas maintain the correct pressure differentials and environmental parameters. According to a senior project engineer at Envigaurd Engineering and Turnkey Projects Pvt. Ltd. ,“We have delivered HVAC solutions for high-stakes environments where even a slight drop in air quality or temperature variation can result in operational downtime or failed inspections. Our inspection protocols are built to prevent such risks and ensure continued compliance. ” Envigaurd specializes in designing, installing, and maintaining HVAC systems for pharmaceutical, industrial, laboratory, retail, and commercial sectors. Our service includes detailed inspection checklists and annual maintenance programs that are tailored for high-performance and regulated spaces. What Does a Commercial or Industrial HVAC Inspection Include? A professional HVAC inspection goes far beyond a visual check. In regulated environments like pharmaceutical manufacturing, electronics production, BSL labs, and high-end commercial buildings, inspections must meet both functional and compliance-specific benchmarks. Below is a comprehensive checklist that... --- > Explore different types of centrifugal blower impellers, their industrial applications, and expert tips to select the perfect impeller for your airflow needs. - Published: 2025-05-21 - Modified: 2025-05-21 - URL: https://envigaurd.com/topics/centrifugal-blower-impeller/ - Categories: PP FRP, HVAC A centrifugal blower impeller, also referred to as an impeller fan, blower impeller, or centrifugal fan impeller, is a rotating mechanical component responsible for moving air or gases in air handling and ventilation systems. It plays a crucial role in industrial ventilation, HVAC systems, cleanrooms, and other air management applications. The impeller consists of a central hub with multiple blades (or vanes) arranged around it. When the blower impeller rotates, it draws air into the center (the eye) of the impeller and uses centrifugal force to fling the air outward through the tips of the blades. This outward motion increases the velocity and pressure of the air, generating a powerful and consistent airflow through the system. The impeller blades are carefully designed in various configurations, such as forward-curved, backward-curved, or radial, to optimize airflow efficiency, static pressure, and noise levels based on the specific application. As a result, the centrifugal fan impeller ensures efficient air movement even in systems with high resistance or complex ductwork. In essence, the centrifugal blower impeller converts mechanical energy into kinetic energy and pressure, making it a key component in systems requiring controlled air movement for cooling, exhaust, filtration, or ventilation. Industrial Applications of Blower Impellers Blower impellers are essential components in a wide range of industrial systems where controlled airflow, pressure, and ventilation are critical. Depending on the impeller design, such as forward-curved, backward-curved, or radial, they serve specific needs across various industries. Here are the major applications: 1. HVAC Systems In heating, ventilation,... --- > The HVAC system working principle shows how this technology is crucial in industries such as petrochemical plants, food processing, and pharma, etc. - Published: 2025-04-10 - Modified: 2025-06-09 - URL: https://envigaurd.com/topics/hvac-system-working-principle/ - Categories: HVAC, Exhaust System Introduction To HVAC System Working principle Whether you're stepping into a perfectly air-conditioned office on a hot summer day or enjoying cozy warmth in your home during winter, there’s one silent workhorse behind the scenes: the HVAC system. HVAC, short for Heating, Ventilation, and Air Conditioning is the backbone of indoor environmental comfort. It's not just about heating or cooling; it's about precision control over temperature, humidity, and air quality to create healthy, comfortable, and efficient spaces, 24/7. But have you ever wondered how HVAC systems actually work? What goes on behind the vents to deliver that perfect indoor climate? Let’s break down the working principle behind modern HVAC systems and why they’re crucial for not just comfort, but also energy efficiency, indoor air quality, and even long-term building health. The HVAC system or heating, ventilation and air conditioning system provides filtered air in the subject room. It has AC and heating pumps according to the requirement of the room. The HVAC system working principle shows how this technology is crucial in industries such as petrochemical plants, food processing, and pharma. What is an HVAC system? HVAC is a well-designed mechanical setup that helps calm and heat the air and conditions its quality. It lets people stay in adverse conditions and is also beneficial for industrial purposes. HVAC principles are based on thermodynamics, fluid mechanics, and heat transfer. Hence, it converts the outdoor air conditions according to the indoor state for the people's comfort. Find the best HVAC contractors if... --- > The system which helps in cooling and heating your room is called the HVAC system. It is helpful for both residential as well as commercial buildings. - Published: 2025-04-10 - Modified: 2025-04-10 - URL: https://envigaurd.com/topics/what-is-hvac-system/ - Categories: HVAC Introduction Are you looking for indoor comfort and thermal control? Then, HVAC is the perfect choice for you. But, before finding out how it works, let us know what HVAC is. It would help if you also understood why it is a crucial part of the building. What is HVAC? You must be thinking about what the meaning of HVAC is. HVAC stands for heating, ventilation, and air conditioning. It involves using different technologies to control a room's humidity and temperature. You can find hvac contractor in india to provide you with the best solutions. What Is an HVAC System? The system which helps in cooling and heating your room is called the HVAC system. It is helpful for both residential as well as commercial buildings. In summer, HVAC keeps the room fresh and cool. In winter, it helps you get a cozy space to sleep in. Apart from that, HVAC systems help maintain the humidity level. What Is the Purpose of an HVAC System? There are many pollutants in the air. You may get sick if the air enters your house without purification. Hence, the purpose of an HVAC system is to provide good quality air inside your home. Another role of HVAC is to keep a comfortable temperature in the room. It also removes smoke, dust, moisture, bacteria, and other particles present in the air. It works as an oxygen replenishment. How to Evaluate HVAC Systems for Maximum Energy Efficiency When choosing a new HVAC system, understanding energy... --- > best basement ventilation systems to prevent moisture, mold, and poor air quality. Learn about natural & mechanical ventilation, expert recommendations, and installation tips for a healthier - Published: 2025-04-02 - Modified: 2025-04-02 - URL: https://envigaurd.com/topics/basement-ventilation-systems/ - Categories: Exhaust System, HVAC Introduction Basement ventilation is a critical yet often overlooked aspect of maintaining a healthy work environment. Poor ventilation can lead to excess moisture, mold growth, and deteriorating indoor air quality, affecting the well-being of occupants and the structural integrity of the property. This article explores the importance of basement ventilation, the different types of systems available, and the best solutions for apartments, malls, contractors, and real estate professionals looking to enhance air quality and moisture control. Why Basement Ventilation Matters Basements are naturally prone to dampness due to their location below ground level. Without proper ventilation, this damp environment can cause: Mold and Mildew Growth: High humidity fosters the growth of mold, which can trigger allergies and respiratory issues. Structural Damage: Excess moisture weakens wooden beams, drywall, and foundation materials over time. Poor Indoor Air Quality: Stale, damp air in the basement can spread throughout the house, carrying musty odors and harmful pollutants. Increased Energy Costs: High humidity levels force HVAC systems to work harder, leading to higher energy consumption. Types of Basement Ventilation Systems Choosing the right ventilation system depends on factors like basement usage, moisture levels, and existing HVAC infrastructure. Below are the most common types: 1. Natural Ventilation How it Works: Utilizing windows, vents, and openings to allow fresh air circulation. Pros: Cost-effective No additional energy consumption Cons: Limited effectiveness in humid climates Requires consistent manual management 2. Mechanical Ventilation How it Works: Uses fans or air exchangers to promote air movement and control humidity levels. Types:... --- > Keep your basement fresh and moisture-free with powerful air circulation fans. Learn how to enhance ventilation and prevent stale air buildup. - Published: 2025-04-02 - Modified: 2025-04-02 - URL: https://envigaurd.com/topics/how-to-improve-air-circulation-in-basement/ - Categories: Exhaust System, HVAC Introduction to Basement Ventilation Proper air circulation in the basements of commercial buildings, large apartments, and retail spaces is essential for maintaining a healthy environment, ensuring structural integrity, and optimizing energy efficiency. Inadequate ventilation can lead to issues such as mold growth, humidity buildup, and poor indoor air quality (IAQ), adversely affecting occupant health and the building's longevity. Commercial basements, whether in hospitals, retail complexes, IT parks or data centers, face unique air quality challenges that demand professional intervention. Poor ventilation can lead to mold outbreaks, structural corrosion, and non-compliance with health regulations, costing businesses up to $3. 5 million annually in litigation and repairs (EPA, 2023). At Envigaurd, we specialize in engineered solutions that go beyond temporary fixes, ensuring compliance with ASHRAE, OSHA, and local building codes. This guide delves into advanced strategies for optimizing basement air circulation, backed by case studies, technical insights, and actionable data. Understanding Basement Ventilation Needs in Large-Scale Properties Basement ventilation challenges in large-scale properties differ significantly from those in residential settings. Factors such as complex HVAC designs, higher occupancy levels, and external airflow restrictions contribute to these challenges. Effective ventilation must account for the building's size, usage patterns, and existing HVAC infrastructure to ensure optimal air quality and energy efficiency. Commercial basements face unique challenges compared to residential spaces: High Occupancy Levels: Retail basements or apartment storage areas experience frequent foot traffic, increasing CO₂ and humidity. Complex HVAC Demands: Centralized HVAC systems often prioritize upper floors, leaving basements under-ventilated. External Airflow Restrictions: Limited... --- > Learn how air pollution control systems like wet scrubbers and filtration units help industries reduce emissions and meet environmental regulations. - Published: 2025-03-23 - Modified: 2025-03-23 - URL: https://envigaurd.com/topics/air-pollution-control-solutions-for-industries/ - Categories: Exhaust System, HVAC, Laboratory Equipments, Pharmaceutical Industy, PP FRP - Tags: Pollution Control System Industrial air pollution poses a significant challenge, but advanced air pollution control devices and systems offer effective solutions to maintain compliance, efficiency, and sustainability. These technologies are designed to serve industries such as manufacturing, energy, and chemical processing, addressing pollutants like volatile organic compounds (VOCs), particulates, and hazardous gases. Whether you’re seeking a single air pollution controller or a fully integrated pollution control system, modern air pollution control equipment delivers high-performance results. From wet scrubbers to thermal oxidizers, air pollution control systems play a critical role in ensuring cleaner air and meeting global emissions standards. Explore how these solutions can transform air quality management for industrial applications. Why Invest in Air Pollution Control? Air pollution control equipment is a critical investment for industries committed to reducing emissions, enhancing operational efficiency, and achieving long-term sustainability. These advanced air pollution control systems are not just regulatory necessities, they’re strategic assets that drive cost savings, protect public health, and future-proof industrial operations. Below are the compelling reasons to prioritize air pollution treatment: Tailored Solutions for Precision Performance: Modern pollution control systems are engineered to address the specific needs of each facility, whether it’s capturing fine particulates in power plants or neutralizing toxic gases in chemical processing. This customization ensures optimal efficiency and effectiveness, delivering air pollution control devices that align perfectly with operational demands. Unmatched Industry Versatility: From power generation to pharmaceuticals, air pollution control equipment adapts seamlessly across diverse sectors. Electrostatic precipitators safeguard coal-fired plants, wet scrubbers protect chemical manufacturers, and biofilters... --- > Learn how to calculate HVAC load accurately with our HVAC load calculator. Get precise heating and cooling estimates for commercial, industrial, and residential spaces. - Published: 2025-03-22 - Modified: 2025-03-23 - URL: https://envigaurd.com/topics/how-to-calculate-hvac-load/ - Categories: Exhaust System, HVAC, Pharmaceutical Industy Professional HVAC Load Calculator Select Building Type Select Building Type Industrial Commercial Retail Pharmaceutical Continue const buildingConfig = { industrial: { internal: , external: , tooltip: 'South-facing buildings typically have higher solar gain' } ], calculate: data => { return data. occupantDensity * 400 * data. floorArea + data. equipmentLoad * 1. 2; } }, commercial: { internal: , external: , tooltip: 'Low-E glass reduces heat gain by 30-50% compared to single glazing' } ], calculate: data => { return data. occupants * 250 + data. itLoad * 3412; // Convert kW to BTU/hr } }, retail: { internal: , external: , calculate: data => { return data. footTraffic * 100 + data. refrigeration * 1. 1; } }, pharmaceutical: { internal: , external: , tooltip: 'HEPA: 99. 97% @ 0. 3μm, ULPA: 99. 999% @ 0. 12μm' } ], calculate: data => { return data. airChanges * 1000 + data. tempControl * 500; } } }; let calculationData = {}; function loadParameters { const type = document. getElementById('buildingType'). value; if (! type) return alert('Please select building type'); const config = buildingConfig; const html = ` ${type. charAt(0). toUpperCase + type. slice(1)} Parameters Floor Area (sq. ft) Internal Load Factors ${config. internal. map(createInput). join('')} External Load Factors ${config. external. map(createInput). join('')} Back Calculate `; document. getElementById('step-2'). innerHTML = html; showStep(2); } function createInput(field) { let input = ''; if (field. type === 'select') { input = ` ${field. options. map(opt => `${opt}`). join('')} `; } else { input = ``;... --- > Learn about wet scrubber systems, and their working principles, types, components, maintenance, and how to select the right system for compliance and efficiency. - Published: 2025-03-13 - Modified: 2025-03-13 - URL: https://envigaurd.com/topics/wet-scrubber-systems/ - Categories: Exhaust System, Pharmaceutical Industy Introduction to Wet Scrubbers Industrial air pollution is a major concern for regulatory bodies, facility managers, and environmental compliance officers worldwide. With stringent emissions standards set by agencies like the Environmental Protection Agency (EPA) in the U. S. and the Central Pollution Control Board (CPCB) in India, industries must adopt effective air pollution control technologies to remain compliant and avoid hefty penalties. Wet scrubbers are one of the most efficient and versatile solutions for controlling airborne pollutants, including particulate matter, acidic gases, and volatile organic compounds (VOCs). These systems use liquid typically water or chemical solutions to capture and neutralize harmful emissions before they are released into the atmosphere. For example, power plants and chemical processing facilities often struggle with sulfur dioxide (SO₂) and hydrogen chloride (HCl) emissions, which contribute to acid rain and respiratory illnesses. Metal foundries and cement plants, on the other hand, need to control dust and heavy metal particles that can pose serious health risks. Wet scrubbers effectively tackle these challenges by absorbing, neutralizing, and removing these contaminants, ensuring cleaner air and regulatory compliance. Beyond regulatory adherence, plant managers and facility owners also need cost-effective, high-efficiency solutions that balance operational costs with environmental responsibilities. Wet scrubbers not only meet compliance standards but also improve workplace air quality, reducing employee exposure to hazardous substances. In the following sections, we’ll explore how wet scrubber systems work, the different types available, and how industries can leverage them for maximum efficiency, cost savings, and long-term sustainability. How Wet Scrubbing Systems... --- > Explore the key differences between wet and dry scrubbers, including their mechanisms, advantages, and suitability for various industrial applications. - Published: 2025-03-13 - Modified: 2025-03-13 - URL: https://envigaurd.com/topics/wet-scrubbers-vs-dry-scrubbers/ - Categories: Exhaust System Introduction Air pollution control is a crucial aspect of industrial operations, ensuring compliance with environmental regulations and safeguarding public health. Across industries in India, the United States, and globally, wet and dry scrubbers serve as primary technologies for controlling emissions. While both systems are designed to remove pollutants from exhaust gases, their mechanisms differ significantly. Wet scrubbers rely on liquid solutions to capture and neutralize contaminants, whereas dry scrubbers use dry reagents or sorbents to achieve the same goal. This blog provides a detailed comparison of wet scrubbers vs. dry scrubbers, helping industries determine the best solution for their specific needs. Comparative Summary of Wet and Dry Scrubbers: AspectWet ScrubbersDry ScrubbersPollutant Removal EfficiencyHigh efficiency, removing up to 99% of pollutants, including gases like sulfur dioxide (SO₂) and particulate matter. Generally lower efficiency, with newer designs achieving up to 90% removal of certain pollutants. Operational ComplexityMore complex due to liquid handling, including circulation and wastewater treatment processes. Simpler operation with less complexity and lower maintenance needs. Water UsageSignificant water consumption, which can be a concern in water-scarce regions. Minimal water usage, making them suitable for water-sensitive environments. Waste ManagementProduces liquid waste requiring treatment before disposal. Generates dry waste that requires proper handling and disposal. Cost ImplicationsHigher initial investment and operating costs due to system complexity and water treatment needs. Lower initial and operating costs, with reduced maintenance requirements. Understanding Wet Scrubbers Wet scrubbers are a widely used air pollution control technology that removes contaminants from industrial exhaust gases using liquid solutions,... --- > Learn about the wet scrubber system working principle and how it efficiently removes pollutants across various industries. - Published: 2025-03-08 - Modified: 2025-03-09 - URL: https://envigaurd.com/topics/wet-scrubber-system-working-principle/ - Categories: Exhaust System, Laboratory Equipments, Pharmaceutical Industy, PP FRP Introduction to Wet Scrubber Systems With increasing environmental regulations, industries must adopt efficient air pollution control technologies, and wet scrubber systems are among the most effective solutions. These systems play a crucial role in removing pollutants including dust, gases, and hazardous chemicals from industrial exhaust streams. A wet scrubbing system operates by bringing exhaust gases into contact with a scrubbing liquid, usually water, which absorbs or neutralizes contaminants. Gaseous pollutants dissolve into the scrubbing liquid, while particulates adhere to water droplets and are later separated. This method ensures compliance with environmental norms while maintaining operational efficiency. Industries such as power plants, chemical processing, manufacturing, food and beverage, oil and gas, and waste treatment heavily rely on wet scrubbers to mitigate air pollution. Understanding the wet scrubber working principle is essential for businesses looking to enhance their emission control strategies. In the following sections, we will explore how wet scrubbers function, their advantages, and their industrial applications. What is a Wet Scrubber? A wet scrubber is an air pollution control system used in industries to remove harmful gases, dust, and chemical pollutants from exhaust air. It works by spraying a liquid—usually water or a chemical solution to capture and neutralize pollutants before releasing cleaner air into the atmosphere. This process is widely used in India to comply with CPCB (Central Pollution Control Board) norms and reduce industrial emissions. How Do Wet Scrubbers Work? In a wet scrubbing system, polluted exhaust gases pass through a chamber where a fine mist of water... --- - Published: 2025-03-05 - Modified: 2025-03-05 - URL: https://envigaurd.com/topics/scrubber-system-working-principles/ - Categories: Exhaust System, Laboratory Equipments, Pharmaceutical Industy, PP FRP Introduction to Scrubber Systems in Air Pollution Control Air pollution control is a critical aspect of industrial operations, ensuring compliance with environmental regulations and protecting public health. Among the various technologies used for emissions control, scrubber systems play a vital role in removing harmful pollutants, including particulate matter (PM), sulfur oxides (SOx), nitrogen oxides (NOx), volatile organic compounds (VOCs), and acid gases from industrial exhaust streams. Scrubbers are widely used in industries such as chemical processing, power generation, cement manufacturing, pharmaceuticals, and metal refining, where toxic gases and fine particulates must be effectively controlled before being released into the atmosphere. By using chemical or physical processes, scrubbers neutralize or capture pollutants, significantly reducing environmental impact and ensuring regulatory compliance. Key Types of Scrubber Systems Wet ScrubbersWet scrubbers use a liquid (usually water or a chemical solution) to capture and remove airborne pollutants. The contaminated gas stream is passed through a scrubbing chamber, where pollutants dissolve or react with the scrubbing liquid. Examples include packed bed scrubbers, spray tower scrubbers, and venturi scrubbers. Wet scrubbers are highly effective in controlling acid gases like SO₂, HCl, and HF. Dry ScrubbersUnlike wet scrubbers, dry scrubbers use dry sorbents (such as lime or activated carbon) to chemically react with pollutants and neutralize them. These scrubbers are commonly used in applications where moisture-sensitive processes exist, such as cement plants and waste incinerators. Venturi ScrubbersA type of wet scrubber, venturi scrubbers operate by accelerating the gas stream through a narrow throat, creating turbulence that enhances contact... --- > Use Envigaurd's advanced duct size calculator online for free to accurately determine the right duct sizes for your HVAC system. Optimize airflow, reduce energy costs, and enhance system efficiency with precise calculations tailored for commercial, industrial, and pharmaceutical applications. - Published: 2025-01-12 - Modified: 2025-04-11 - URL: https://envigaurd.com/topics/duct-size-calculator/ - Categories: HVAC Advanced Duct Size Calculator Calculate optimal duct dimensions and air performance based on various parameters. Airflow (CFM) Duct Material Galvanized Steel Aluminum Flexible Duct Shape of the Duct Circular Rectangular Oval Static Pressure (in WC) Duct Length (ft) Number of Turns/Elbows Desired Velocity (FPM) Temperature Range (°F) Calculate Duct Size Calculation Results Fill out all parameters to calculate duct size. document. getElementById('duct-form'). addEventListener('submit', function (e) { e. preventDefault; const airflow = parseFloat(document. getElementById('airflow'). value); const velocity = parseFloat(document. getElementById('velocity'). value); const staticPressure = parseFloat(document. getElementById('static-pressure'). value); const ductLength = parseFloat(document. getElementById('duct-length'). value); const turns = parseInt(document. getElementById('turns'). value, 10); const temperature = parseFloat(document. getElementById('temperature'). value); const ductSize = ((airflow / velocity) * 12). toFixed(2); const pressureLoss = (staticPressure + turns * 0. 1). toFixed(2); document. getElementById('result-output'). innerHTML = ` Duct Size: ${ductSize} inches Pressure Loss: ${pressureLoss} inches WC `; }); Introduction to HVAC Duct Size Calculations In commercial, industrial, and pharmaceutical environments, HVAC system efficiency is crucial for ensuring optimal working conditions, maintaining precise temperatures in production, and adhering to strict air quality standards. One of the most important factors in achieving this efficiency is proper duct sizing. When ducts are improperly sized, businesses face numerous challenges. Uneven airflow can create hot and cold spots, making work environments uncomfortable and inefficient. Higher energy costs are inevitable as the system struggles to circulate the required airflow. Worse, a mis-sized duct system can lead to reduced efficiency and increased wear on your HVAC equipment, resulting in costly repairs and downtime. Fortunately, the... --- > Acoustic insulation in HVAC systems reduces noise, improves comfort, and enhances system performance. Discover how to soundproof your HVAC effectively. - Published: 2024-11-21 - Modified: 2024-11-21 - URL: https://envigaurd.com/topics/acoustic-insulation-in-hvac/ - Categories: HVAC What Is Acoustic insulation in HVAC Sound control is crucial in HVAC systems because of the noise made by equipment and the ducting systems. They make the properties less noisy, which improves the quality of the internal environment in the property. It was found that incorporating acoustic insulation in HVAC can significantly enhance the occupants' productivity, health, and comfort. These HVAC contractors can be used to the advantage of property owners and facility managers so that their spaces remain free from noise; this is crucial for residential and commercial property. Importance of Acoustic Insulation in HVAC Noise Reduction In HVAC systems, a lot of noise comes from the ducts, vibrations, airflow, and general noise produced by the units. Therefore it is essential that good insulation is incorporated into the duct system to minimize noise. In homes, loud HVAC systems disrupt everyday activities, making it hard to get comfortable or restful sleep. In specific environments like workplaces, health care facilities, and educational institutions, loud noise interferes with people’s focus, productivity, or healing process. Therefore, noise control is an investment in a quiet environment that enables people to work and sleep without interruption. Improved Comfort Acoustic insulation in HVAC has the essential function of helping maintain comfort value in rooms by minimizing undesirable sounds. Insulation of heating, ventilating, and air conditioning is crucial for noise control in areas where noise is kept to a minimum, such as meeting halls, libraries, and hospitals. Eliminating background noise is not only comfortable but also increases... --- > Learn about Air Terminal Units (ATUs) in HVAC systems, their functions, types, and benefits in airflow control for efficient heating, cooling, and ventilation. - Published: 2024-11-21 - Modified: 2025-03-23 - URL: https://envigaurd.com/topics/air-terminal-unit-hvac/ - Categories: HVAC, Exhaust System What Is Air Terminal HVAC? Air terminal units (ATUs) are vital components in HVAC systems, acting as interfaces between the main system and individual rooms to control the flow of conditioned air. They act as the interface between the main HVAC system and the individual rooms or zones in a building, playing a crucial role in regulating the flow of conditioned air. By controlling the distribution of air based on specific needs, air terminal units help maintain indoor air quality and thermal comfort for occupants. ATUs are designed to accommodate varying heating and cooling loads, making them versatile solutions for both commercial and residential applications. They can be found in diverse settings, from office buildings and schools to hospitals and industrial facilities. Understanding how air terminal units function and their different types can significantly enhance HVAC system performance and efficiency. To ensure optimal performance, consider consulting an experienced HVAC contractor like Envigaurd. How Does An Air Terminal Unit Work? Air terminal units operate by drawing air from the main ductwork of the HVAC system. Once the air is drawn in, the unit can either heat or cool it, depending on the specific requirements of the space. The air is then distributed into the room through supply ducts. The key components of an air terminal unit include: Alt Text : How Does Air Terminals Work Dampers: These adjustable flaps control the volume of air entering the unit, allowing for precise airflow regulation. Fans: In fan-powered units, small fans help to enhance... --- > Learn how apparatus dew point temperature affects moisture measurement in HVAC, manufacturing, and environmental control. - Published: 2024-11-21 - Modified: 2024-11-21 - URL: https://envigaurd.com/topics/apparatus-dew-point-temperature/ - Categories: HVAC What is Dew Point Temperature? What Does It Mean? Apparatus dew point temperature is a critical factor in moisture measurement that plays a significant role in climate management, HVAC systems, and environmental monitoring. It gives a good figure of measure of humidity; the higher the dew point in any case, the higher the relative humidity is. Monitoring dew point temperature is essential in HVAC services to maintain indoor comfort and prevent issues like mold growth. For instance, as the dew point is equal to 60°F, the air is considered to be humid, whereas a dew point of 30°F defines dry air. It is thus necessary to understand dew point especially in functions such as climate management, production and monitoring the environment.   Main Application of Apparatus Dew Point Temperature 1. Quality Assurance in Manufacturing In manufacturing especially, the factories that deal with materials that are sensitive to moisture such as textile factories or electronics it is important to monitor the apparatus dew point temperature. That translates into high dew points that if make contact with any structure can cause production of water on them which compromises the quality of the products and resulting in product defects and equipment failure. Material’s dew point must be kept consistently high to prolong its lifespan and have uniformity when used by manufacturers.  2. HVAC Systems HVAC systems have fundamental control of Dew Point since the growth of molds and other discomforts are usually associated with high dew point. High indoor dew point causes high... --- > Discover what a BTU meter is and how it works. Learn how BTU meters work in HVAC, types, and energy optimization strategies. Read more in this blog! - Published: 2024-11-21 - Modified: 2025-01-12 - URL: https://envigaurd.com/topics/btu-meter/ - Categories: HVAC What is a BTU Meter in HVAC A BTU meter and or BTU Flow meter (Term used in general that can be used to measure others as well ) is an essential tool in energy monitoring sector, especially HVAC systems. A BTU meter measures the thermal energy transfer in HVAC systems, providing data essential for energy optimization. BTU meters play an integral role in hvac service by tracking energy transfer for optimized efficiency. This one measures the degree of heat to be added or removed in a relevant system, expressed in a unit known as British Thermal Units (BTUs). This measurement is helpful for the building managers and engineers to measure the energy efficiency and improve the operation of building and also suitable for billing. Especially today, with increasing energy costs and awareness of the environment, knowledge and practical use of BTU meters is more critical. BTU meters, essential in HVAC and industrial energy monitoring, measure the thermal energy transferred, providing vital data for efficient system operations. How Does a BTU Meter Work? The working principle of a BTU meter revolves around two main components: the flow rate of the heating or cooling medium and delta T between inlet and outlet of the system. The basic formula for calculating BTUs is: BTUs=Q×ΔT×C where: BTUs = British Thermal Units QQQ = flow rate (e. g. , gallons per minute) ΔT\Delta TΔT = temperature difference (in degrees Fahrenheit) CCC = constant (specific to the system being analyzed) The BTU measurement system operates... --- > Explore the importance of CFM in HVAC systems, how to calculate it, its role in comfort and energy efficiency, plus key airflow factors for optimal performance. - Published: 2024-11-21 - Modified: 2024-11-21 - URL: https://envigaurd.com/topics/cfm-formula/ - Categories: HVAC Introduction In the intricate world of HVAC systems, one metric stands out as a cornerstone of performance: Cubic Feet per Minute (CFM). This measurement indicates the volume of air circulated within a given space per minute, and it is integral to system efficiency, comfort, and indoor air quality.   Understanding CFM is not just a technical necessity; it’s essential for achieving optimal performance in residential, commercial, and industrial environments. In this blog, we will explore the significance of CFM, delve into the formula for its calculation, examine various factors that influence airflow, and discuss practical examples to enhance your understanding Understanding CFM  Definition and Significance of CFM CFM stands for Cubic Feet per Minute, which quantifies the rate at which air moves through a system. To put it simply, it measures how much air is being delivered or removed from a space in one minute. This metric is particularly significant in HVAC applications because it directly correlates with the effectiveness of heating, cooling, and ventilation processes. Why is CFM important? 1. Comfort: Proper airflow ensures that temperatures remain consistent throughout a space, preventing hot or cold spots. 2. Energy Efficiency: Systems that operate within optimal CFM ranges use energy more efficiently, reducing costs and environmental impact. 3. Indoor Air Quality: Adequate CFM levels are crucial for maintaining good air quality by diluting indoor pollutants and ensuring proper ventilation. Its Role in System Performance CFM is a critical parameter that affects how well an HVAC system performs. Insufficient airflow can lead... --- > Learn the CFM calculation formula in HVAC to determine accurate airflow for efficient heating, ventilation, and air conditioning system performance. - Published: 2024-11-21 - Modified: 2025-04-10 - URL: https://envigaurd.com/topics/how-to-calculate-cfm-in-hvac/ - Categories: HVAC, Exhaust System People have questions that they are buying the right HVAC system. Is it going to fit correctly? Here the role of CFM comes in.   HVAC technicians measure airflow using cubic feet per minute or a CFM calculator. It is to match the size of an HVAC system to the space or building. If it requires 1200 CFM, then a 3-ton HVAC system is good. Take the support of a leading HVAC company in India. What is CFM? CFM, or Cubic Feet per Minute, is a unit for airflow calculation in HVAC. The contractors calculate CFM for a room for air purifiers, fans, and such. Why do we need to calculate CFM?  CFM is important to measure the amount of airflow a particular room needs. It tells how much quantity of an airflow device will spread per minute. In a big room, a small system will not work. It cannot provide the right amount of heating or cooling. There is a waste of energy if the system is overpowered. This is because it involves short cycling.   Hence, it is important to know how to calculate CFM. Large rooms require high CFM as there is more air circulation. Right HVAC system for your space, you need accurate CFM estimates.   CFM Calculator: How To Calculate CFM? (CFM Calculation + Charts) CFM Calculator CFM Calculator Room Length (ft): Room Width (ft): Room Height (ft): Air Changes per Hour: Calculate CFM function calculateCFM { const length = parseFloat(document. getElementById('length'). value); const width... --- > Discover how actuators in HVAC systems improve efficiency and comfort through precise airflow and temperature control. Learn about types, benefits, and applications. - Published: 2024-11-20 - Modified: 2024-11-20 - URL: https://envigaurd.com/topics/actuators-in-hvac-system/ - Categories: HVAC Introduction To Actuators in HVAC Systems Actuators in HVAC systems are known as actuators and they are the ‘muscle’ part of the system, which translate signals into actions to control the amount of air and temperature within a building. This actuator in HVAC system is indispensable for ensuring comfort and energy saving in the contemporary climate control systems. For professional setup and maintenance, consider consulting an experienced HVAC contractor. This article aims at discussing the various types of actuators that are in use in HVAC and their operation and importance in energy efficiency. What Are Actuators in HVAC Systems? Actuators are a sort of device which is created to comply with instructional commands so as to produce motion or a force to do something. In HVAC applications, they can be used as components that control valve dampers and other parts for the purpose of shifting or stopping air and fluids. Electric, pneumatic and hydraulic actuation are the three types of actuators. Steps or modes are carried out in actions as on/off or modulating actions. Adjusting the device to various conditions enhances comfort and efficiency in HVAC systems. Key Functions of Actuators are as below: Regulating Airflow: Dampers are positioned by actuators to allow regulation of the amount of air supplied to multiple zones of a building. Modulating Temperature: This controls the temperature of the hot or chilled water that passes through the valves until the definite temperature is set. Maintaining Pressure: Something like there are many pressure regulation types where... --- > Learn what an industrial blower is, its types, uses, and key features. Discover how industrial blowers are crucial for various applications like HVAC, ventilation, and material handling. - Published: 2024-11-20 - Modified: 2025-04-10 - URL: https://envigaurd.com/topics/what-is-industrial-blower/ - Categories: Exhaust System Introduction to Blower  A blower is a machine that creates pressure to move air at required pace. Blowers, to put it another way, are machines that blow air or gas to perform certain functions. These devices are well-suited to complex operations and have proved indispensable in a number of instances. What is Blower? We hear about blowers around us, and many of us may have seen them functioning as well. But What is the blower exactly? We need to see it in detail to know what to make of it. Blowers are installation equipment that transfers air at high or low pressure in the emitting environment and turns the fan with the force applied by the engine. Blowers have wide application in industries as industrial blowers. What is Industrial Blower? An industrial blower is an electromechanical device that uses an electric motor, impeller, and airfoils to effectively and efficiently improve airflow via ducting, chassis, or processes in a workspace. Industrial blower machine is designed by industrial blower manufacturer to be a permanent addition to a workspace, increasing airflow for exhausting, ventilating, cooling. It can also be used for aspirating, conveying, or removing pollutants, dust, grime, and particle matter. These highly sophisticated machines are meant to produce higher pressure than a fan, putting them midway between a fan and a compressor. Blowers for industrial use might be centrifugal, axial, or positive displacement. Centrifugal blowers have a gear system and one or more stage construction available at various centrifugal blower manufacturers. Axial industrial... --- > Discover the essential guidelines and best practices for HVAC project engineers with our comprehensive SOP (Standard Operating Procedure). Streamline your processes, ensure efficient project management, and optimize HVAC system installations. Access expert insights and actionable steps to enhance your engineering projects. Get started today and excel in your role as an HVAC project engineer. - Published: 2023-06-25 - Modified: 2023-06-25 - URL: https://envigaurd.com/topics/sop-for-hvac-project-engineers/ - Categories: HVAC, Exhaust System SOP for HVAC Project Engineers during the Pre-Construction Phase: Review project plans and specifications: Review the project plans and specifications to understand the scope and requirements of the project Identify any potential issues or conflicts with the HVAC design Collaborate with the design team and other engineers to ensure the HVAC system is integrated into the overall project design Coordinate with the design team and other engineers: Collaborate with the design team and other engineers to ensure that the HVAC system is properly designed and integrated into the overall project design Review and provide feedback on the HVAC design to ensure it meets the project specifications and codes Coordinate with other trades to ensure that the HVAC system is integrated into the overall project design and schedule Develop HVAC construction schedules: Develop a comprehensive schedule for HVAC installation, including all required activities and milestones Identify and schedule any required inspections or approvals Ensure that the HVAC construction schedule is integrated into the overall project schedule Prepare material submittals and obtain approvals: Prepare material submittals for all HVAC equipment and materials, including specifications, drawings, and product data Submit material submittals to the appropriate parties for review and approval Ensure that all HVAC equipment and materials meet the project specifications and codes Participate in pre-construction meetings: Participate in pre-construction meetings to discuss the project scope, schedule, and budget Discuss the HVAC construction schedule and any potential issues or conflicts Identify any opportunities for value engineering or cost savings It is important for... --- > An HVAC system inspection checklist is a tool that helps monitor the HVAC systems in your home and commercial spaces. This checklist consists of considering the various aspects while inspecting HVAC. - Published: 2022-11-01 - Modified: 2022-11-01 - URL: https://envigaurd.com/topics/hvac-system-inspection-checklist/ - Categories: HVAC, Exhaust System - Tags: HVAC Introduction Have you got an HVAC system installed? If yes, you must have a concern regarding its performance. It is always good to have a detailed HVAC inspection. It ensures that all components are working correctly. It includes providing good customer service and a systematic inspection process. But what is an HVAC system inspection checklist? Below we will discuss it in depth and also understand how it can help Hvac contractors perform their tasks effectively. What is an HVAC System? HVAC means heating, ventilation, and air conditioning. It is the system that helps in regulating the air in a premise. These systems provide comfort within a home and good-quality circulating air. What is an HVAC system inspection? An HVAC system inspection checklist is a tool that helps monitor the HVAC systems in your home and commercial spaces. This checklist consists of considering the various aspects while inspecting HVAC. It helps HVAC technicians understand the process of inspecting and which areas need focus. Then, with the help of HVAC inspection after installation, they can identify issues in HVAC, check the failures and ensure that the system is functioning efficiently. Benefits of HVAC System Inspections There are some significant advantages of hvac system inspections. Helps with low utility bills It may happen that your utility bills are coming high even after less usage of the HVAC system. It means there is a problem which needs inspection low maintenance results in more use and high bills. After proper maintenance and checking by hvac inspection companies,... --- - Published: 2021-11-06 - Modified: 2022-04-25 - URL: https://envigaurd.com/topics/how-to-find-best-hvac-company/ - Categories: Exhaust System, HVAC Among the most costly systems in your business is the HVAC system. As a result, you’re probably doing everything you can to maintain it operating effectively & properly. Although you might be comfortable monitoring your thermostats & replacing your filters, you most likely seek the services of dependable, experienced HVAC/heating & air professionals for additional periodic maintenance. For example, who diagnoses and fixes the HVAC system in the event of an emergency? Most importantly, do you rely on the best HVAC brands? For many homeowners, the issue is determining which HVAC brand is best in their region and how to choose the best HVAC company. However, you are not alone if you are unsure how to recruit the best heating & air provider. Many company owners are confused about how to go about discovering, comparing, assessing, and finally working with top HVAC companies & contractors. As a consequence, we’ve compiled the top HVAC/heating & air specialists’ advice & rates. Furthermore, the recommendations assist you in locating top-tier local specialists such as Envigaurd who can effectively diagnose, repair, and replace the HVAC equipment. Finally, we’ve organized our advice & quotations into the following groups. As a result, we hope it makes it easier for you to discover the data you want. Finally, research and engage the best HVAC company to assure your organization’s comfort. WHAT ARE THE VARIOUS TYPES OF HEATING AND COOLING SYSTEMS? If you have looked into replacing, repairing, or maintaining the building’s HVAC system, you will know that there’s an overwhelming amount of various types of... --- - Published: 2021-11-06 - Modified: 2021-11-06 - URL: https://envigaurd.com/topics/hvac-installation-guideline/ - Categories: Exhaust System, HVAC Commercial HVAC Installation Guideline An AC operates by taking in hot air & pulling it through a cooling system. In a Heating, Ventilation & Air Conditioning system, there is a heating component as well that might be adjusted based on whether you need your commercial building to be warmer or cooler. Guide for HVAC Installation The AC unit is a crucial component of your HVAC system, particularly during the summertime when the temperatures begin to soar. It is vital to maintain the quality of air to ensure your luxury & maintain the energy efficiency of your home. So, if you are planning on updating or installing a new system, this HVAC installation guide might help you choose a unit of the right size,connect the AC to your primary heating system, figure out the installationcost, & find the perfect place for your air conditioning unit. Sizing Up the AC The unit’s size makes a huge difference in air quality. If the AC unit is very small, it becomes harder to properly treat the air inside your commercial building. On the other hand, a bigger AC unit might risk sapping energy efficiency & might even switch off before the air has entirely run through the system. Therefore, when you consider installing an AC unit, it’s best to confer with a technician on everything. Your commercial building’s heat gain factors into the unit’s size as well. While inspecting your commercial building, the technician will figure out how much heat is filtered in the working area.... --- - Published: 2021-09-03 - Modified: 2021-09-03 - URL: https://envigaurd.com/topics/how-to-setup-exhaust-system/ - Categories: Exhaust System Research laboratories have to take numerous security measures because they often work with harmful chemicals and elements. Even the slightest carelessness in these security measures can lead to severe damage to the facility or its worker. Therefore an efficient exhaust system for the laboratory should be present in every research laboratory.   What is an exhaust system? An exhaust system is responsible for maintaining a safe environment for laboratory workers by exhausting hazardous fumes and gases. The role of the exhaust system is even more significant in case of any mishappening like fire. Since the reliability of the laboratory and the safety of the works rely significantly on the exhaust system, you must understand the various aspects of setting up an exhaust system. The exhaust prices vary from brand to brand, and there are many exhaust systems that you can find at an affordable price. Well, one of the brands that we would recommend for these exhausts is Valvetronic. The Valvetronic exhaust price is in an affordable range, so if you are planning to get the best exhaust system, it is a brand you must consider. Importance in a research laboratory  The main importance of exhaust system in a research laboratory is keeping the laboratory hazardous-free. The chemicals in the air are removed continuously and replaced with fresh air.   This also reduces the risk of mishappenings like fire, chemical leakage, and more. Even if there is an accident, it ensures that the toxic fumes and gases do not leak and make the situation worse. So, overall, it is essential to have an exhaust system in the research laboratory. Optimum fume... --- - Published: 2021-08-24 - Modified: 2021-08-24 - URL: https://envigaurd.com/topics/exhaust-system-guide-for-the-food-processing-industry/ - Categories: Uncategorized The food processing industry is divided into the consumption, catering, & supply of food products. Energy efficiency, hygiene, & reduction of waste are crucial benchmark criterium to be met. The three primary industry sectors are Agriculture – Raising livestock & crops. Manufacturing – Commodities supporting production. Food processing -Preparation & manufacture of commodities for the market. Food processing has significant exhaust needs, including cooling & heating to maintain ambient temperatures for both workers & products, proper ventilation of produce to reduce premature ageing, freezer recirculation air, odour control, caustic gas expulsion, or air turnover throughout wash-down cycles. Ventilation of Food Processing Factory Enviguard has designed several exhaust systems in its many years as an innovator of air technology. We supply a range of ventilation & climate control products & services. Whether you are in need of a dehumidifier, humidifier, fan, cooler, or a complete system, we might offer a solution. If you are looking for an FRP duct manufacturer, opt for Enviguard today. In food processing companies, enough ventilation should be supplied to deal with steam, odours & harmful vapours. A safe & comfortable working environment should be coupled with care not to contaminate food, packaging materials, or food-contact surfaces. Indeed, bad heating, ventilation & air conditioning (HVAC) construction, unfiltered air, & installation practices & negative pressure in food-manufacturing processes are primary sources of disease-causing contamination. HVAC duct systems that are hard to clean have been found to shelter Listeria & other pathogens. The appropriate placement of exhaust, air-blowing equipment, & intake vents... --- - Published: 2021-08-24 - Modified: 2021-08-24 - URL: https://envigaurd.com/topics/exhaust-system-guide-for-the-pharmaceutical-industry/ - Categories: Uncategorized Most pharmaceutical companies maintain controlled surroundings workspaces for pilot production, research &, occasionally, for manufacturing of the general products. All these pharma companies share an air quality difficulty: exhaust from laboratory workstation fume hoods or other processing areas should be safely discharged into the air without causing re-entrainment, developing an odour problem, or breaching environmental regulations. Most pharmaceutical manufacturers also deal with high energy prices for their HVAC systems, & particularly for their conditioned, controllable environment establishments. Energy prices for pharmaceutical research & manufacturing are among the utmost such costs for all SIC (Standard Industrial Classification) categories. Exhausting lab workstation fume hoods have been managed by centrifugal belt-driven fans with high, individually-devoted stacks or combined multi-stacks on the rooftop. At the same time, mixed-flow impeller tech with low-profile rooftop exhaust systems has been gaining approval over the last few decades as a resolution to exhaust cost & safety tests. At many top pharmaceutical companies, mixed-flow impeller rooftop fans send their exhaust flows hundreds of feet into the atmosphere in a top-down plume, diluting outer air with discharged gases at the point of release. However, this high-efficient plume dispersal wards off local re-entrainment &, through high-efficiency blending of the discharge air with the encircling atmospheric air, weeds out potential odour issues at ground level. Based on the pharmaceutical analysis, mixed-flow fan systems might also reduce unnecessary power losses since they might pre-heat (& pre-cool) makeup air prior it enters a building. However, this is achieved by the introduction of heat transferring run-around coils that trap exhaust heat... --- - Published: 2021-08-24 - Modified: 2021-08-24 - URL: https://envigaurd.com/topics/exhaust-system-guide-for-the-fertilization-industry/ - Categories: Uncategorized During the pandemic, when everyone was stuck at home, many people got new hobbies. Some of the most common hobbies adopted by people are gardening or planting trees, cooking, and many more. Planting trees is an excellent hobby. It can calm your mind and make the environment better. People who are familiar with gardening know how hard it is to grow some plants. They require light and nutrients. The plants can receive enough light from the sun directly and nutrients from manure and fertilizers. While some people try to put in organic substances and manures, most people prefer fertilizers. Fertilizers are easy to obtain and are affordable. For people farming in large areas, fertilizers are the only option to give plants the necessary nutrients. In this article, we will be discussing the exhaust system guide for the fertilization industry. Why are exhaust systems required for industries? Different industries use different resources and emit various pollutants and harmful gases. Industrial areas will be abundant in toxic substances. This toxicity in the air can affect the health of the workers and cause damage to the equipment. When the dust particles get collected in the exhaust systems for a long time, it can lead to repairs that are a bit expensive. With a functional exhaust system in the industry, the working environment will be healthy as well. The fertilization industry is similar to the other sectors.   Fertilization industry The fertilization industry aims to deliver fertilizers to farmers across the globe. Some of... --- - Published: 2021-08-24 - Modified: 2021-08-24 - URL: https://envigaurd.com/topics/exhaust-system-guide-for-the-automotive-automobile-industry/ - Categories: Uncategorized What are Exhaust Systems? Automotive exhaust systems are put in place in vehicles to channel out the gases produced during the combustion process within the engine. Manufacturing and production fitting of these depend on the type of vehicle and the amount of energy it uses up.   Automobile companies can customize every aspect of the production pipeline, right from the cylindrical grid, pistons as well as end exhaust pipes. These standards are followed automobile industry-wide and are provided to every automobile maker throughout the world. Exhaust System Types Automotive exhaust comes in various shapes and sizes. There is a different version available for different types of vehicles. The exhaust of a high-performance sporting vehicle will be different from the exhaust of a high-performance pulling truck. These key differences are the mark-up in the production process. Some different types of exhaust systems are: – Single Exit Pipe: The most common type of exhaust system, found in almost all commercial vehicles. A single pipe is responsible for circulating the gas. Dual Rear Exit: Two exhaust pipes are put on the opposite side of the vehicle to give it a sportier feel. This also enhances the sound of the engine. Opposite Dual Exhaust: These wrap around the vehicle wheel to carry out an extra filtration process. Dual Side Exhaust: Two pipes next to each other on the same side, pump out gases more efficiently than single exit pipes. High Performance: The more expensive option, but these are the best at filtering the gases... --- - Published: 2021-08-24 - Modified: 2021-09-06 - URL: https://envigaurd.com/topics/exhaust-system-guide-for-petroleum-oil-and-gas-industry/ - Categories: Exhaust System What are Exhaust Systems? Industrial applications for manufacturing, transportation, and other machinery and petrochemical engineering-based applications find their energy to function by the usage of fossil fuels. These systems produce work by combustion which gives out various by-products like carbon dioxide, nitrogen, and other gases in form of smoke/fumes. These by-products should be evacuated out of the so-called machines for proper functioning, hence requiring an effective exhaust system to be installed in them. Exhaust systems play an important role in any heavy machinery-based oil and gas industry as their inner filtration and exhaustion mechanism also determines the number of toxic fumes going out in the environment. Effective design of such systems can help in reducing harmful emissions and also maintain the long-term and proper functioning of the equipment at hand. Exhaust System Types The petroleum oil and gas industry operates on a regulatory procedure. These regulations are depended upon the type of petroleum produced and have different means of using exhaust systems to dispose of the waste materials. Classification of different petroleum product types are as follows: – Class A Petroleum: Liquids with a flashpoint below 23 degrees CelsiusClass B Petroleum: Liquids with a flash point above 23 degrees Celsius but below 65 degrees CelsiusClass C Petroleum: Liquids with flashpoints above 65 degrees Celsius but below 93 degrees CelsiusExcluded Petroleum: Liquids with a flashpoint above 93 degrees Celsius Class A and Class B are often stored within the same container whereas Class C is stored in an isolated container. There... --- - Published: 2021-08-23 - Modified: 2025-06-10 - URL: https://envigaurd.com/topics/how-to-control-air-pollution-in-cement-industries/ - Categories: Exhaust System In recent years in India, urbanization advanced at a rapid phase. Rural areas have advanced into cities. Cities have developed into metro cities and so on. This development has made India a developing country with more people migrating to big cities. The cement industry is one of the best industries in the country.   There are different types of pollution such as air, water and noise pollution. Today we will be focusing on air pollution caused by cement industries and how we can control it. All of us are familiar with what air pollution is. Let us now discuss the harmful effects of air pollution on our health.   Effects of Air pollution on Health Air pollution can affect humans, animals, and plants. Air pollution can be caused by both humans and natural activities. Substances that cause pollution are called pollutants. When we inhale these pollutants, they can reach into our bloodstream and even reach the brain and make us very sick. It can also cause diseases like asthma, cancer, and in some cases, even cardiovascular diseases, thereby decreasing our lifespan.   Effect of Air pollution on the Environment  Air pollution has a negative effect on our ecosystem as well. It can reduce biodiversity and cause damage to crops. India is one of the most populated countries in the world. The Air Act was passed in 1981 to reduce pollution and to put control on it, but that wasn’t effective. Air pollution is caused by the burning of fuel and biomass,... --- - Published: 2021-08-23 - Modified: 2025-06-10 - URL: https://envigaurd.com/topics/10-ways-to-reduce-air-pollution/ - Categories: Exhaust System Today, we breathe air that is full of toxic and harmful pollutants. Air pollution not only affects mankind but also deteriorating the condition of our environment. As the year passes, millions of people are dying all around the world due to polluted air.   Air pollution is a term given to small pollutants and gases that release into the air. The gases include carbon dioxide, chlorofluorocarbon, and many more. To live a healthy life, we should focus on adopting some healthy ways to reduce air pollution and implement them practically.   In this article, we are providing some ways which may help us to reduce air pollution. We also discussed some alternative products such as air purifiers, filters, blowers, and methods that we all can adopt to maintain air pollution quality. 10 ways to reduce air pollution are as follows: Use of filter for industrial chimneys: The gases released from the chimneys of houses and industrial factories are very dangerous and reduce the quality of the air. Filters fitted in the chimneys are very beneficial to reduce the effect of air pollution. There are various types of filters such as PP FRP Scrubbers, FRP Duct, PP Duct, and many more. These all filters are designed in such a way that they can control air pollution and maintain the quality of air.   The scrubbers help to remove the hazardous pollutant from the exhaust section of the industries. So, Filters play a very important role in reducing air pollution. Use of... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/what-is-an-hvac-system/ - Categories: Uncategorized We all are living in a modern world surrounded by various modern technology, which makes our work easier and faster and helps us to live healthy lives. As the pollution increases day by day, it isn’t easy to live a peaceful and healthy life. There are various technologies that help us to inhale fresh and clean air. One such technology is the HVAC system.   If you do not know what it is, then the following article will help you all to guide you about the proper functioning and benefits of the HVAC system. What exactly is an HVAC System? HVAC stands for Heating, ventilation, and Air conditioning. It is a combination of heating, ventilation, and cooling in one system. In other words, we can say that HVAC is a system that helps to heat or to cool down a particular space such as residential or commercial as per our requirements. HVAC systems are gaining more popularity day by day as they use fresh air from outside and enhance the quality of air inside. THREE IN ONE UNIT: Heating Unit: The heating unit in the HVAC system increases the temperature inside your house or any commercial building. The best part of this unit is that we can set the temperature as per our requirements. Heating units are generally used in the winter season or chill nights to warm up the temperature indoors. Ventilation Unit: The HVAC system also consists of a ventilation unit that is used to exchange the air... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/how-is-hvac-industry-addressing-climate-change-and-sustainability/ - Categories: Uncategorized Climate change is one of the significant issues we are facing nowadays, and it plays a vital role in our daily lives. Sea levels are rising due to random changes in the climate. Plus, Glaciers are melting at a faster rate. We all can notice the increase in the global temperature. Due to all these reasons, natural calamities such as earthquakes, storms, floods, heavy rain, acid rain, and many more occur at a significantly faster rate.   These are all because of our actions and lifestyle, which greatly contribute to global warming. Global warming is the average increase in the global temperature. Everyone needs to play an essential role in making the planet sustainable before it’s too late. This can only be done by bringing the change in our lifestyle and activities. One of the major reasons for increasing global warming is the use of air conditioning. AC’s are contributing a lot to changing the climate of the Earth. Air Conditioning and Global Warming Earth is becoming warmer each day. About 75% of the population is at risk due to global warming. Air conditioning is one of the main reasons for global warming. Nearly 90% of Americans use air conditioners for their own beneficial purposes. It releases tons of carbon dioxide into the environment, which increases the temperature of the Earth. Air Conditioning Affect Climate Change As the day becomes hotter, we depend more on air conditioners. Due to which the amount of carbon dioxide is increasing and affecting the... --- - Published: 2021-08-23 - Modified: 2021-09-04 - URL: https://envigaurd.com/topics/hvac-whats-the-best-way-to-clean-central-air-ducts/ - Categories: HVAC Everyone knows what air pollution is, but how many of you know how it is caused? Air pollution is caused when harmful pollutants get released into the environment. Air pollutants are released by the air conditioners you have at home, aerosols, and various industries worldwide. Before any further discussion, let’s have some knowledge about HVAC ( HEATING, VENTILATION, AND AIR CONDITIONING) is a system that can be used in enclosed areas like homes, vehicles, malls, submarines, train, airplane, and most importantly, in hospitals and skyscrapers. It provides better ventilation; it is used to regulate fresh, natural air into rooms and throw out bad air, bad smell, and humidity. In simple words, it’s a system or technology that uses natural thermal conditioning. In this system, we use ducts made up of metal sheets. The HVAC ducts have a structure that is similar to that of holographic pipes of different shapes with a wide diameter to regulate fresh air indoors and provide better indoor air quality and expel lousy air. How do we know when to clean ducts? It is essential to clean your HVAC ducts as after using them for a long time, the efficiency of the ducts becomes more negligible, so when you clean the vents, the system starts functioning better. The different reasons that can force you to clean your ducts are as follows-: Whenever you install your air ducts, you have to clean your specks of dust once or twice a year or per the installer’s suggestion. When... --- - Published: 2021-08-23 - Modified: 2021-09-04 - URL: https://envigaurd.com/topics/how-to-control-air-pollution-in-pharmaceutical-industries/ - Categories: HVAC Air pollution is one of the significant reasons for climate change today. The quality of the air we breathe is deteriorating day by day, which is a cause to worry. The crucial factors contributing to pollution caused by pharmaceutical industries are the lack of awareness and adequate regulation. Recent studies have reported that the global pharmaceutical sector emits greenhouse gases with an intensity above 55 percent more than the automotive industry. In spite of the pharmaceutical industry being smaller, it causes high rates of pollution. The pharmaceutical industry is one of the essential industries in the world. This industry deals with making drugs for various diseases across the globe. The pollution caused due to pharmaceutical industries is called drug pollution or pharmaceutical pollution. Going through history, you can find instances where high concentrations of pollutants were released from pharmaceutical industries. Various Pollutants released during the preparation of drugs During the production, utilization, and disposal of medications, different Active Pharmaceutical Ingredients (API) and other chemical contents are released into the environment. Air pollutants that are commonly found in pharmaceutical laboratories are bio-aerosols and microbes. The typical air pollutants emitted by pharmaceutical industries are carbon monoxide, particulate matter, volatile organic compounds, and carbon dioxide. Carbon monoxide is one of the most poisonous gases, and it is known as the silent killer. When concentrated levels of carbon monoxide enter the body, it can lead to death. The harmful pollutants released by these laboratories affect all forms of life.   Effects of multiple pollutants... --- > Does a split AC take air from outside? Learn how split air conditioners work and whether they pull fresh air in, in this expert guide on HVAC systems." - Published: 2021-08-23 - Modified: 2024-11-21 - URL: https://envigaurd.com/topics/does-a-split-ac-bring-in-air-from-outside-the-room/ - Categories: HVAC Air conditioners are loved and much needed to provide cool air when temperatures are off the scale during the summer season. Despite the benefits an air conditioner provides, many are unfamiliar with its heating and cooling systems. You must have wondered how a split air conditioner cools the room.   Does it bring dirty air inside the room, or does it affect the room’s ventilation and indoor air quality? People often misunderstand that their wall-mounted air conditioners bring in fresh air from the outside. This article will help you understand the working of your split system air conditioner in detail. How do split air conditioners work? A split ac unit consists of two components, the indoor unit called an evaporator, and the outdoor unit called a condenser. The evaporator delivers cool air and is placed inside the room while the compressor, usually attached to the wall, is outside the room. Like some of the window AC’s, split-type air conditioners do not have the option to bring in the fresh air. Let’s understand what mechanism does split AC’s work. The indoor components of a split system ac are connected to the outdoor elements with the help of wirings and copper wires. The copper pipes allow movement of a special liquid called a refrigerant from the outdoor unit, compressor to the indoor unit, evaporator through the condenser. The homeowners can control the cold airflow in the room using a remote control or thermostat.   The split-type aircon requires connecting the indoor and... --- - Published: 2021-08-23 - Modified: 2021-09-04 - URL: https://envigaurd.com/topics/why-hvac-services-and-solutions-for-commercial-kitchens-is-important/ - Categories: HVAC Food is one of the essential needs of all living organisms, and the kitchen is the area where we cook all our food. If you own a diner or a restaurant, you will know how important it is to have a well-organized and clean kitchen.   Out of everything, commercial kitchens are required to be well ventilated because they are big and have a lot of food stored. Besides this, it is obvious that at the same time, a lot of dishes will be cooked, which will eventually lead to smoke in the area. So, to prevent the room from getting filled with smoke and to prevent the people working there to face issues like suffocation, it is essential to have proper ventilation and air purifier system in commercial kitchens. Most modern kitchens have HVAC systems designed to draw out air from the kitchen. All the significant restaurants have a strong exhaust fan to remove the air from the kitchen. There should be enough air inside the kitchen. The air inside the kitchen would get contaminated with all the food odor and fumes, so the air must be frequently replaced with fresh air.   Today in this article, we will be discussing why are HVAC systems for commercial kitchens are essential. Before we discuss why HVAC services and solutions are crucial, let us first go through an HVAC service. HVAC refers to heating, air conditioning, and ventilation systems. Why are HVAC systems critical? HVAC systems are essential as it maintains... --- - Published: 2021-08-23 - Modified: 2021-09-06 - URL: https://envigaurd.com/topics/5-ways-to-improve-indoor-air-quality/ - Categories: GI & SS, HVAC, PP FRP Like food and water, the air is one of the necessities that everyone needs. Fresh air is essential for a person’s health. We cannot control the air quality outside as a lot of factors determine it. The air quality has decreased because of the various exhausts from industries and vehicles, and burning of waste materials, and so on. All the major cities of India have high pollution rates because of the increasing number of automobiles. Even though we cannot control the air outside, you can control the air inside your house up to an extent. Today in this article, we will be discussing how you can improve indoor air quality. Air Pollutants inside the house. Earlier, we discussed the significant causes of air pollution that are outside your house; from inside your home, there are gases released by your air conditioners, and using aerosols can lead to air pollution. Carbon monoxide is the most common harmful gas that can be found in houses. Carbon monoxide, along with many other toxic gases, is released by heating and cooling devices. In older homes, there is asbestos and lead particles which can damage the lungs when they are released into the air we breathe. Breathing of contaminated air can affect a person’s health. When people inhale polluted air, they are affected by various types of respiratory diseases, which could affect the respiratory system, lungs, and for some people, their brain. Ways to Improve Indoor quality of air When research was done by checking... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/what-are-the-different-types-of-hvac-systems/ - Categories: Uncategorized Today in this article, we will be discussing the different types of HVAC systems that are available. Before going to the various HVAC system types, let’s first discuss what an HVAC system is and why it is used. HVAC system stands for heating, ventilation, and air conditioning. The HVAC system is responsible for maintaining the temperature in your house. They cool the home during summer and retain the heat during winters. The products that are included under the HVAC system are air conditioners, heat pumps, ductwork, thermostat, furnaces, and many other appliances to maintain the optimum temperature in your house. You can find these systems everywhere, starting from a single-family home to hospitals, offices, and even submarines. The HVAC system is built using the principles of fluid mechanics, heat transfer, and thermodynamics. The different types of HVAC systems available  Different types of HVAC systems are available for various purposes. Four main types of education systems have duct-free systems, hybrid split systems, and packaged heating and air systems. All the systems have their advantages as well as disadvantages. To choose the right HVAC system for your house, you should book an appointment with an HVAC duct manufacturer. Let’s go through these systems one by one:- Heating and cooling system This is the most common type of HVAC system that is found everywhere. From the name, you can understand that this system has two units. One system is for cooling and the other system for heating. These systems have an indoor unit... --- - Published: 2021-08-23 - Modified: 2021-09-04 - URL: https://envigaurd.com/topics/6-hvac-devices-that-can-turn-your-indoor-quality-around/ - Categories: HVAC We spent hours of our time ensuring that every corner of our house is clean. But indoor air quality is something we seem to miss. Regardless of how good your cleaning techniques are, they will not be sufficient to reduce indoor air pollution.   Indoor pollution requires a special indoor air purifier. A wide variety of air quality monitoring and control devices are available in the market. Such devices are used along with the HVAC systems to provide healthy and clean indoor air. This enables us to monitor the quality of the air at all times and also restore the optimum air quality whenever required.   Everyone understands that the air around us has a direct impact on our health. Hence, these devices are something everyone should have. That is why today we are discussing six HVAC devices that can tremendously improve the quality of air indoors.   Dehumidifiers  High humidity in some areas is not uncommon. Particularly, in the months of summer, humidity levels can be extremely high. Moisture promotes the growth of hundreds of bacteria and germs. Hence, as the humidity rises, there is also an increase in the number of pathogens, molds, and dust mites in the air.   The performance of some appliances is also compromised due to humidity. Additionally, several products are recommended not to come in contact with moisture. Due to high moisture, they can be spoiled. Consequently, using a dehumidifier can be highly beneficial.   A dehumidifier is integrated into the HVAC system,... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/how-to-control-air-pollution-in-petroleum-refinery/ - Categories: Uncategorized Petroleum refineries have a tremendous effect on the environment. Oil refinery companies emit massive quantities of gases such as sulfur dioxide, carbon dioxide, nitrogen oxides, and other hydrocarbons during the refining of crude oil. All these gases are highly toxic and give rise to many environmental problems like the greenhouse effect and acid rain.   Keeping in mind the threats of air pollution, prevention and control of air pollution by petroleum refineries becomes even more crucial. Several guidelines are provided by different organizations that these companies have to follow. Different strategies and methods are used to control the impact of oil refineries on air quality. Given below is a list of a few of these methods deployed to keep a check on the air pollution created by the oil industry. Desulfurization  Sulfur, in the form of oxides, is a gas that is said to be the leading source of air pollution. It is also the gas responsible for acid rain along with nitrogen. During the process of refining, sulfur is emitted in large quantities. Without proper control measures, this will have a huge contribution to air pollution.   One of the best methods to combat this problem is desulfurization. Desulfurization is the process of recovery of sulfur and its compounds from the gases before they enter the atmosphere. Better and inexpensive methods should be developed particularly for large-scale engine and boiler fuels.   These units will play a significant role in decreasing the amount of sulfur emissions by petroleum industries.... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/which-type-of-gas-is-in-the-hvac-system/ - Categories: Uncategorized In this article, we will be discussing the types of gases that are in the HVAC system. Before going into that, we need to know what an HVAC system is. HVAC systems stand for heating, ventilation, and air conditioning. HVAC systems can be installed anywhere from your house to hospitals, restaurants, offices, shops, and even submarines. In this system, fresh air is circulated inside, and contaminated air is exhausted out. You should have a ventilation system so that the air is distributed all the time. It is one of the most important aspects considered during the construction of a building. The products that come under HVAC systems are heat pumps, thermostats, furnaces, and air conditioners. For proper functioning of the HVAC systems, there should be well-developed ductwork. Different Applications of HVAC systems  HVAC systems ensure that the temperature is constant in your living space. It could cool the air during summers and heats the air during winters. With an HVAC system, you will always have fresh air to breathe. The HVAC system will ensure that the air inside is free of contaminants. It improves the quality of air. These systems are also used in industries to prevent pollution. HVAC systems are used In the different sectors to ensure that the air inside the industries is fresh and can reduce air pollution. Significant sectors like cement and pharmaceuticals have installed HVAC systems to control the pollution inside and outside the industry. Both these industries release harmful contaminants and poisonous gases into... --- - Published: 2021-08-23 - Modified: 2021-08-23 - URL: https://envigaurd.com/topics/exhaust-system-guide-in-paint-industry/ - Categories: Uncategorized If you are working in the paint industry or you own one, then you need to understand the importance of an exhaust system. Well, we know that exhaust systems extract fumes, toxic gases, smoke, unpleasant odors, etc. , from the atmosphere. The ventilation improves the air quality not just by filtering airflow but also by preventing moisture. Well, contaminated air can be fumed out with the help of an exhaust system.   The exhaust system is important in the paint industry. This is so because paints are a mixture of 45% low and high solvent-based paints and 10% thinners. Well, in this article, we’ll discuss a detailed guide on the successful design and implementation of exhaust systems and the paint industry. Relation between the exhaust system and paint industry Since you may know that the exhaust system functions to control noise and direct out fumes. In the paint industry, there are some specified rooms for paint mixing and cleaning. These rooms for paint mixing and clean-up rooms should be hygienic and healthy by having a proper and well-tightened ventilation system.   The paints, thinners, solvents, and reducers produce hazardous chemical vapors which may get contained in a room. These harmful vapors should be flushed out so that the room produces a healthy and habitable environment for the workers. These habitable surroundings are fulfilled with the help of exhaust systems. High exposure to paint and paint fumes causes headaches, triggers allergic and asthmatic reactions, irritates skin, eyes, and increases stress on... --- - Published: 2021-08-21 - Modified: 2021-08-21 - URL: https://envigaurd.com/topics/hello-world/ - Categories: Uncategorized Welcome to WordPress. This is your first post. Edit or delete it, then start writing! --- - Published: 2021-08-21 - Modified: 2021-08-21 - URL: https://envigaurd.com/topics/how-to-make-an-indoor-carbon-dioxide-filter/ - Categories: Uncategorized Carbon dioxide in an indoor environment is one of the air pollutants. It is necessary for people and the air-conditioning industry to take appropriate measures to minimize the emission and prevent an unacceptable indoor air quality. Carbon dioxide is a colorless, odorless gas.   This gas can be harmful to living organisms like us, because we exhale carbon dioxide, but inhale oxygen, and if the concentration of carbon dioxide increases, then we will not be able to breathe properly. If you are indoor, and the concentration of carbon dioxide is more than oxygen, then you will feel suffocated and will not be able to breathe in properly. Well, the best thing to ensure that this does not happen, you can install a carbon dioxide filter for indoor air quality, which will make sure that you can breathe properly. Also, if you are using any kind of air purifier, then you may be familiar with activated carbon filters. They work on the process of adsorption to remove and capture impurities so that all we are left with is fresh and breathable air.   What is Indoor Carbon Dioxide Filter? Indoor carbon dioxide filters or Activated Carbon filters are the small pieces of carbon particles in granular or powdered form, that have been treated to be extremely porous. A large surface area enables these carbon filters to absorb more contaminants and allergens than traditional carbon. Absorption is the process where organic compounds in the air react chemically with the activated carbon, which... --- ---