Welcome to Cambridge Heating and Cooling, the most reliable HVAC contractor of the GTA Area. Cambridge Heating and Cooling is a trusted HVAC Contractor of Scarborough , HVAC Contractor of Toronto and HVAC Contractor of Mississauga . We have been providing the excellent heating and cooling services throughout the Greater Toronto Area since 1999. It could be the hottest summer day or the coldest night of winter, we are here to make your home or business cozy and comfortable all the year through. We are a major HVAC Contractor of Toronto , HVAC Contractor of Scarborough and HVAC Contractor of Mississauga : we offer the following heating and cooling services to residential and business clients: Furnace Repair, Maintenance and Installation.