ACCA – Air Conditioning Contractors of America
ADC – Air Duct Council
AHRI – Air Conditioning, Heating, & Refrigeration Institute
ASHRAE – American Society of Heating, Refrigerating and Air-Conditioning Engineers
HARDI – Heating, Air-conditioning & Refrigeration Distributors International
ICC – International Code Council
IGSHPA – International Ground Source Heat Pump Association
NADCA – National Air Duct Cleaners Association
NATE – North American Technician Excellence
NCI – National Comfort Institute
PHCC – Plumbing, Heating, Cooling Contractors Association
SMACNA – Sheet Metal and Air Conditioning Contractors’ National Association
WIE – Women in Energy
