Looking for heating or cooling equipment installation in your home? Find out more about how we can get you set up! We also do gas piping and custom duct work.

We install furnaces, air conditioners, boilers, air handlers, mini split systems, hot water tanks, gas fireplaces, and HRV/ERV systems.


We repair and maintain all makes and models of equipment for your home or business.
  • Furnaces
  • Air Conditioners
  • Boilers
  • Air Handlers
  • Heat Pumps
  • Mini Split Systems
  • Hot Water Tanks
  • Tankless Water Heaters
  • Pool Heaters
  • Gas Fireplaces
  • Commerical Refrigeration Systems
  • Roof Top Units
  • Unit Heaters

Need Emergency Service now? Call 613.634.8499

GT Air Systems can handle any heating or cooling need that you have.

People in Kingston and the surrounding areas can count on us to keep them comfortable throughout the four seasons.

Preferred Brands

We work with the nicest people and the best products.

We are affiliated with:

Trusted Partners

Working to keep Kingston comfortable

Hot or cold, work, home or play. We install quality equipment and provide service and maintenance on all makes and models of equipment.

Let us know what you need!