www.ashrae.org
American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)

www.rses.org
Refrigeration Service Engineers Society (RSES)

www.ari.org
Air Conditioning and Refrigeration Institute (ARI)

www.ciph.com
Canadian Institute of Heating and Plumbing (CIHP)

www.hrai.ca
The Heating, Refrigeration, Air Conditioning, Institute of Canada (HRAI), capital letters on the C & I

www.oee.nrcan.gc.ca
Natural Resources Canada (NRC)

www.geoexchange.org
Geothermal Heat Pump Consortium (GHPC)

www.iaqa.org
Indoor Air Quality Association (IAQA)