The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) is the trade association representing more than 300 manufacturers of air conditioning, heating and commercial refrigeration equipment.

The U.S. Green Building Council is a 501(c)(3) non-profit community of leaders working to make green buildings available to everyone within a generation.

The Air Movement and Control Association (AMCA) International, Inc. is a not-for-profit international association of the world’s manufacturers of related air system equipment – primarily, but not limited to: fans, louvers, dampers, air curtains, airflow measurement stations, acoustic attenuators, and other air system components for the industrial, commercial and residential markets.

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

The American Society of Heating, Refrigerating and Air-Conditioning Engineers advances technology to serve humanity and promote a sustainable world.

International Organization for Standardization – We are ISO 9001 certified.