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High-Efficiency Whole-House Air Filtration System

Systems that are placed in the central HVAC system and filter over 90% of allergens and other pollutants from the air.

American Lung Association
Air Cleaners Info
Web Site

ASHRAE
American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta GA 30329
(404) 636-8400
Web Site

National Air Filtration Association
NAFA User's Guide for ANSI/ASHRAE 52.2 - 1999;
Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size
PO Box 68639
Virginia Beach VA 23471
(757) 497-1895
Web Site

Disclaimer: The information on the system, product or material presented herein is provided for informational purposes only. The technical descriptions, details, requirements, and limitations expressed do not constitute an endorsement, approval, or acceptance of the subject matter by the U.S. Department of Housing and Urban Development (HUD/FHA), The Partnership for Advancing Technology in Housing (PATH), or any PATH-affiliated Federal agency or private company. There are no warranties, either expressed or implied, regarding the accuracy or completeness of this information. Full reproduction, without modification, is permissible.