Toronto’s Furnace Repair and Replacement Experts.

Since 1989 Toronto has trusted Air Quality Dunrite for reliable heating. We provide friendly professional expertise for furnace repairs, installations and tune ups. We repair all makes and models of furnaces.

Whether you need an annual tune-up or a whole new heating system, Air Quality Dunrite has the know-how, equipment and latest heating and cooling parts and systems you’re looking for. Most importantly, we treat you like we’d want to be treated!

As Carrier authorized dealers, we are held to the highest standards.

Carrier logoAir Quality Dunrite is a Carrier Authorized Dealer

Furnace Repair

When your furnace breaks down in the middle of the night during the coldest time of the year, you can’t afford to wait. Our emergency furnace repair service is on-call 24/7/365.

Furnace Tune-Ups

Get your furnace rejuvenated to factory fresh condition with our furnace tune up maintenance service.

Furnace Replacement

We have the highest quality and most energy efficient furnaces on the market today, whatever your budget may be.


The right thermostat settings can greatly influence your energy bills and helps the environment.We carry both traditional thermostats and modern WiFi enabled solutions.

…it is great to have a contractor go above and beyond!

They replaced a 12 year old system that was a builder special and had numerous problems over the past couple years. They arrived ON TIME, they put down floor protection all the way to the furnace even though I told them they didn’t need to. They worked hard and didn’t even stop for lunch when I offered it to them. They were very clean and courteous and explained the entire system to me when they were finished. I think the basement was cleaner when they left then before they got here. The furnace is performing better than I expected and it is extremely quiet when it operates. I also have a large bathtub and it is nice to finally be able to fill it up without running out of hot water due to the tankless system.

I would highly recommend this company to all my friends and family as it is great to have a contractor go above and beyond!

Sue from Mississauga


We Serve The Greater Toronto Area



Speak to Our Professionals About Your Heating Needs


Air Quality Dunrite’s 4 C’s Pledge To You

  • Commitment to 100% customer satisfaction.
  • Craftsmanship and pride built into your installation.
  • Caring about your comfort, which means service in hours not days.
  • Confidence in fixing it right the first time – or you don’t pay.

More Than Expertise

When you invite us into your home, you can expect to be treated with courtesy and respect. Our professional technicians aren’t subcontractors, they’re our full-time team members who engage in weekly customer service workshops. Everyone has been through a thorough background check prior to hiring, and will arrive at your door in one of our vans wearing one of our uniforms.

Here’s what you can expect:

  • We show up on time so you don’t have to wait around.
  • We provide flat-rate pricing, and the work doesn’t start until you approve it.
  • We explain what we’re doing and why, but in terms anyone can understand.
  • We make sure your home is cared for by putting down drop cloths and wearing booties to make sure we don’t make a mess.
  • Best of all, we provide a 100% satisfaction guarantee!

Contact us for a no obligation quote.  Request a Quote