Tag: Filter Selection
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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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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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Optimizing HVAC Systems and AHUs: A Guide to Filter Selection
Eurovent 4/23 gives two ways to pick an ISO 16890 filter class for a building. You either start from the outdoor air quality at the site and work forward, or you start from the supply air quality you want indoors and work backward. The two routes do not always land on the same filter. This…
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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…