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HRAI of Canada

Your Environment - Our Expertise


Founded in 1968, the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) is a non-profit national trade association of manufacturers, wholesalers and contractors in the Canadian heating, ventilation, air conditioning and refrigeration (HVACR) industries.  HRAI offers training and technical manuals that focus on post HVAC trades education.  The HRAI Digest, which consists of the technical manuals for HRAI training is referenced in Canada’s provincial and federal building codes as good practice for HVAC systems. HRAI Training, Techncial Manuals and HRAI Digest are the most up to date HVAC technical information required for design and sizing of HVAC residential and small commercial systems.