Dave Irwin started Xtra in 1984, building it up from a small Toronto-based company to the national leader in HVAC lifecycle solutions that it is today. A certified HVAC technician, Dave participates on key regulatory boards that define criteria for safety, service and training, including the Ontario Refrigeration and Air Conditioning Contractors Association (ORAC), the Council of Ontario Construction Associations (COCA), Industry Council-Gas Mass Market Program, and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Toronto Chapter.ORAC: Immediate Past President and Board Member since 2004, (Ontario Refrigeration and Air Conditioning Contractors Association), member of various other committees JTAC: Trustee since 2007 (Joint Training Apprenticeship Committee) PAC: Advisor to the Minister of Training Colleges and Universities (Provincial Advisor Committee) Instructor: Various training levels within JTAC, completed Instructor Training Program, Purdue University 1990 RSES: CM, certificate member, (Refrigeration Service Engineers Society) Trade License: Licensed Refrigeration Mechanic and Gas Fitter 1