The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) advances the arts and sciences of heating, ventilation, air conditioning, refrigeration and their allied fields. ASHRAE has more than 57,000 members in more than 132 countries worldwide.
ASHRAE standards establish consensus for test methods and performance criteria. These include voluntary consensus standards for Method of Measurement or Test, Standard Design and Standard Practice. Consensus standards define minimum values or acceptable performance. ASHRAE is accredited by the American National Standards Institute (ANSI) and follows ANSI’s requirements for due process and standards development.