Superior HVAC Service is a Canadian-owned and operated heating, ventilation, and air conditioning company serving communities across Ontario and Quebec. The company provides residential and commercial HVAC repair, with same-day service available for many issues. Its technicians diagnose equipment problems, explain the repair plan and cost before work begins, and test systems after service. Repairs are backed by a workmanship warranty, and the company highlights licensed and insured service, upfront pricing, and no overtime charges.

Superior HVAC Service works on air conditioners, ductless AC systems, furnaces, boilers, heat pumps, air handlers, tank and tankless water heaters, water softeners, and reverse osmosis systems. Customers can also arrange installation, maintenance, replacement, and purchase of selected equipment. The company says it services equipment across brands, including Trane, Rheem, Carrier, Bryant, Goodman, and American Standard. Its technicians address problems such as units that will not start, unusual noises, water leaks, poor airflow, refrigerant leaks, and high energy bills. The website also offers membership plans and assistance with government HVAC rebates.