The following industry associations are sponsors of PAHRA.
Air Conditioning Contractors of America (ACCA)
Air-Conditioning, Heating, and Refrigeration Institute (AHRI)
American Society of Heating, Refrigerating, & Air-Conditioning Engineers (ASHRAE)
Council of Air Conditioning & Refrigeration Educators (CARE)
Heating, Airconditioning & Refrigeration Distributors International (HARDI)
Plumbing-Heating-Cooling Contractors-National Association (PHCC)
Refrigeration Service Engineers Society (RSES)