High Quality Content by WIKIPEDIA articles! The Air Movement and Control Association International, Inc. (AMCA; pronounced `Am`-`Cah`) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its fan ratings, but it also is involved with dampers, louvers, outside air grilles, air curtains, and other "air-side" HVAC equipment.