AIRAH (Australian Institute of Refrigeration, Air Conditioning and Heating)AIRAH (the Australian Institute of Refrigeration, Air Conditioning and Heating) has a long and proud history of representing an industry of professionals, who are of fundamental, and increasing, importance to the comfort, health and safety of the community. Formed in 1920, AIRAH is recognised by government and industry bodies for its expertise across a wide range of issues in the area of engineering services for the built environment.