Industry Orgs
Professional Organizations & Industry Resources

Air Conditioning Contractors of America
A national trade association furthering the interests of HVACR contracting businesses and the broader HVACR industry.
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Air-Conditioning, Heating, & Refrigeration Institute
The trade association representing manufacturers of HVACR and water heating equipment within the global industry.
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Air Movement and Control Association International, Inc.
An international, not-for-profit association of the world’s manufacturers of fans, louvers, dampers, air curtains, and other air system components.
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American Boiler Manufacturers Association
Advocates for the safe production and operation of boilers, facilitates advances in energy efficiency, and provides solutions for member companies.
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American Society of Heating, Refrigerating and Air-Conditioning Engineers
Advances heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world through research, standards writing, publishing and continuing education.
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Associated General Contractors of America
A nationwide organization representing general construction contractors and specialty-contracting firms.
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American Society Of Mechanical Engineers
Sets internationally recognized industrial and manufacturing codes and standards that enhance public safety.
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American Petroleum Institute
Represents most of America’s oil and natural gas industry. Since 1919, API has developed hundreds of standards to enhance safety.
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Heat Exchange Institute
A non-profit trade association committed to the technical advancement, promotion, and understanding of heat exchange and vacuum apparatus.
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International Aluminium Institute
The global forum of aluminium producers dedicated to the development and wider use of aluminium as a competitive and uniquely valuable material.
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International District Energy Association
Represents nearly 700 members who are district heating and cooling executives, managers, engineers, consultants and equipment suppliers.
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International Institute of Refrigeration
An independent intergovernmental science and technology based organization which promotes knowledge of all refrigeration fields.
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Heating, Refrigeration and Air Conditioning Institute of Canada
A non-profit national trade association of manufacturers, wholesalers and contractors in the Canadian HVACR industries.
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National Board of Boiler and Pressure Vessel Inspectors
Promotes greater safety to life and property through uniformity in the construction, installation, repair, maintenance, and inspection of boilers and pressure vessels.
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Mechanical Contractors Association of America
Serves firms involved in heating, air conditioning, refrigeration, plumbing, piping, and mechanical service.
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American Fuel & Petrochemical Manufacturers
A trade association representing high-tech American manufacturers of virtually the entire U.S. supply of gasoline, diesel, jet fuel, and other fuels.
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Refrigeration Service Engineers Society
Offers educational and certification programs to HVACR professionals of all experience levels.
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Sheet Metal & Air Conditioning Contractors' National Association
An international trade association representing sheet metal and air conditioning firms throughout the United States, Canada, Australia, and Brazil.
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Tubular Exchanger Manufacturers Association
A trade association of leading manufacturers of shell and tube heat exchangers who have pioneered the research and development of heat exchangers.
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ISO (International Organization for Standardization)
An independent, non-governmental international organization that develops and publishes a wide range of proprietary, industrial, and commercial standards.
Visit SiteNational European Standards
European Standards (ENs) are documents that have been ratified by one of the three European Standardization Organizations (ESOs), CEN, CENELEC or ETSI.
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