Established in 1979, Canadian Tech Air Systems Inc. has been serving the greater Toronto area and surrounding cities for over 40 years. Our dedication to our clients needs and attention to detail have made CTAS Inc. sought after through out Ontario. Specializing in HVAC, Refrigeration, Plumbing, Natural Gas, Heating & Hydronics, Sprinklers, and General Contracting. We serve commercial and industrial needs of the Healthcare Sector, Government Sector, Education Sector, Critical Infrastructure, Correctional Institutions, and Private Sector.