For more information, or for an executive summary of the research on
vent-free gas products and indoor air quality or relative humidity, contact:

Vent-Free Gas Products Alliance

c/o AHRI
2111 Wilson Boulevard, Suite 500
Arlington, VA 22201-3001
www.ventfree.org

The Vent-Free Gas Products Alliance is a coalition of members of the Vent-Free Gas Products Section of the Air Conditioning, Heating, and Refrigeration Institute (AHRI), a trade association representing more than 350 manufacturers of air conditioning, heating and commercial refrigeration equipment