



Delta Air Systems has been in the business of improving the quality of the environment in homes and businesses since the 1950’s. Our approach has always been to listen first –fully understanding your needs makes it simple to develop practical and cost effective furnace or air conditioning solutions. We service what we sell and sell only what we service.

Save Up to $7,100 on Heat Pumps With the Greener Homes Grant
The Canada Greener Homes Grant through the Government of Canada encourages Canadian homeowners to make energy-efficient changes to their home. If you qualify, you could receive up to $7,100 for the installation of a new heat pump. Learn more on our Greener Homes Grant page.
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Recent Blogs
The Ideal Home Humidity Levels for Each Season
Maintaining the right humidity levels in your home is essential to your health and comfort....
Meet the Most Efficient Furnace: The Lennox SLP99V
With an AFUE rating of 99%, the Lennox SLP99V is arguably the best, most energy-efficient furnace...
Top Products
Lennox SLP98V Variable-Capacity Gas Furnace
The quietest high-efficiency furnace you can buy!
Testimonials & Reviews
Serving Waterloo, Kitchener, Guelph, Cambridge & Surrounding area.
Delta Air Systems Furnace, Air Conditioning, Ductless HVAC repair and services in Kitchener, Waterloo, Cambridge and Guelph. Get comfortable for less!
We service what we sell and sell only what we service. That’s why we deal only with the top brand names in the industry. Established manufacturers with products that are certified, tested and approved. Furnace, heat pumps and heating repair, replacement, installation and servicing in Kitchener-Waterloo, Cambridge & Guelph. Call us to discuss GreenOn rebates and incentives programs. You could be eligible to save ALOT!