- Air-Conditioning and Refrigeration Technology Institute
- A not-for-profit organization established to undertake scientific research in the public interest.
- American Supply Association
- National organization serving wholesale-distributors and manufacturers of plumbing, heating, cooling and piping products and industrial pipe, valves and fittings.
- Association of Appliance Manufacturers
- The trade association representing manufacturers of air conditioning, heating and commercial refrigeration equipment.
- Cooling Technology Institute
- To advocate and promote the use of environmentally responsible evaporative heat transfer systems, cooling towers, and cooling technology for the benefit of the public.
- Home Ventilating Institute
- Represents a wide range of home ventilating products manufactured by companies in the United States, Canada, Asia, and Europe, producing the majority of the residential ventilation products sold in North America.
- International District Energy Association
- Works to foster the success of its members in providing reliable, economical, efficient and environmentally sound district energy services.
- International Institute of Ammonia Refrigeration
- An international association serving those who use ammonia refrigeration technology.
- National Air Filtration Association
- A non-profit trade association, members include air filter manufacturing, sales and service companies along with hvac and indoor air quality professionals across the United States and in 12 foreign countries.
- Partnership for Air-Conditioning, Heating, Refrigeration Accreditation
- An independent, third party organization that is a partnership between heating, ventilation, air-conditioning and refrigeration educators and the HVACR industry that will award accreditation to programs that have met and/or exceeded industry validated standards.
- Valve Manufacturers Association of America
- Provides numerous opportunities and significant benefits to U.S. and Canadian manufacturers of industrial valves and actuators.
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