Extel Gas Services Inc. is a Scarborough-based HVAC and gas company serving residential and commercial customers across Toronto and the GTA, specializing in AC installation, furnace installation, boiler installation, hot water tank installation, tankless water heater installation, COMBI boiler installation, humidifier installation, maintenance and repair services, red tag clearance, new gas connections, residential HVAC services, and commercial HVAC services. The company delivers reliable heating, cooling, and gas solutions focused on safety, comfort, energy efficiency, and professional workmanship.