RESOURCES
Charities We Endorse
Member Associations
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A.S.H.R.A.E.
(American Society of Heating, Refrigerating, & Air Conditioning Engineers) |
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Informational Links & Articles
Understanding "MERV" - A look at ASHRAE 52.2
by National Air Filtration Association
by National Air Filtration Association
Particle Sizes of Common Airborne Contaminants
by Engineering Toolbox
by Engineering Toolbox
Comparison Chart for ASHRAE 52.2, ASHRAE 52.1, EN779, and EN1822
by TROY FILTERS LTD
by TROY FILTERS LTD
Particle Shedding in HVAC Filters
by R. Wepfner
by R. Wepfner
