ASHRAE – American Society of Heating, Refrigerating and Air-Conditioning Engineers
NAFA – National Air Filtration Association
HARDI – Heating, Airconditioning & Refrigeration Distributors International
Energy Star Partner – joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy
USGBC – non-profit community of leaders working to make green buildings available to everyone within a generation.
ETV – Environmental Technology Verification Program