Tag: Indoor Air Quality
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Filters in Air Handling Units & Recommended Final Pressure Drop acc.to EN 13053
In trying to improve indoor air quality (IAQ), air handling units (AHUs) with advanced filters are very important. These systems are crucial for maintaining the purity of air in residential, commercial, and industrial spaces. This article explores the recommended filtration stages and practices for air handling units to achieve the best air quality and save…
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The Myth of UV Lamps in Air Filtration: A Closer Look
In the quest for cleaner, healthier air, many have turned to ultraviolet (UV) lamps as a potential solution. UV lamps, often incorporated into air filtration systems, are marketed with the promise of eliminating harmful airborne particles and pathogens. However, a deeper dive into the science behind UV lamps reveals a different story. Understanding UV Lamps…
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Understanding ISO 29463 Standard – High efficiency filters and filter media for removing particles from air
ISO 29463 is a series of international standards developed by the International Organization for Standardization (ISO) to address the testing, classification, and marking of high efficiency air filters. Published as a common language for testing and classifying high efficiency filters worldwide, including Europe and America, the ISO 29463 standard aims to harmonize and streamline filtration…
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Filter Bypass in AHUs and Filter Cabinets and How to Prevent It
Air Handling Units (AHUs) and filter cabinets are essential components of modern Heating, Ventilation, and Air Conditioning (HVAC) systems. They ensure that the air circulating within buildings is clean, fresh, and comfortable for occupants. However, one common issue that can compromise the efficiency of these systems is filter bypass. Below is what bypass costs you,…
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Dust Holding Capacity in Air Filters
Dust holding capacity (DHC) is a critical attribute of air filters that determines their overall performance and operational life. The ability of an air filter to retain particulate matter significantly affects the quality of indoor and outdoor air, as well as energy consumption in ventilation systems. Below is what DHC measures, why it drives filter…
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The Role of Air Filters in LEED-Certified Buildings
The world is becoming increasingly more conscious of its impact on the environment, and as a result, the importance of sustainable building practices has come to the forefront. One of the most well-known certification systems for green buildings is the Leadership in Energy and Environmental Design (LEED) program. Developed by the U.S. Green Building Council…
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Indoor Air Pollution 50 Times Worse than Outdoors
We often associate pollution with outdoor environments, with images of smoggy cities and industrial emissions coming to mind. However, research has shown that the air inside our homes and offices can be up to 50 times more polluted than the air outside. Below are the sources of indoor air pollution, the health effects they carry,…
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How to Properly Install an Air Filter in Your AHU
Most filter installation faults come down to two things. Either the element is not seated properly against its frame, or someone has handled the pleat pack with their hands. Both cost efficiency immediately and neither shows up on a datasheet. This post is the installation sequence for a filter in an air handling unit, and…
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The Total Cost of Ownership of Air Filters
The purchase price of an air filter is usually the smallest number in its lifetime cost. Energy consumption driven by pressure drop dominates, and labour and disposal follow. This post breaks the total cost of ownership into its five parts, pressure drop, energy, filter price, labour and disposal, and shows why the cheapest filter on…
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The MERV Rating System: What You Need to Know
MERV runs from 1 to 16 and is the North American way of rating a general ventilation filter. Each band corresponds to a particle size range the filter is expected to hold back, from coarse dust at the bottom of the scale to bacteria carriers and smoke at the top. This post covers what each…