View Profile
City Home Comfort
- Quotes
- Sales
- Tankless Water Heater
“(before them, we had a terribly inexperienced & unprofessional technician from another company who was rated super well on homestars come who didn't help us at all.”
Best HVAC Contractors in Toronto, ON
24 companies listed · all 24 in Toronto · 12 open 24/7 · 17 open weekends · all 24 rated 4.5+
Data verified October 19, 2026
View Profile
Empower Home Comfort
- Rebate
- Heat Pump
- Quote
“It continued with two professional installers, Behzad and Mehdi, who were experts at their craft and, throughout the installation, letting me know next steps including interruptions to our water and gas supply.”
View Profile
Bullet Proof Heating & Cooling
- Furnace
- Efficient
- Price
“Living in a condo that has an old HVAC system means we were searching for technicians that were knowledgeable in both older systems (to be replaced) and newer systems (to replace with).”
View Profile
Advanced Plumbing Drains & Heating
- Questions
- Call
- Technician
“My experience with Advanced plumbing was excellent from the booking with Chris to the service call with Aman I had a fabulous experience and would highly recommend Advanced Plumbing”
View Profile
Dupont Heating & Air Conditioning Ltd
- Mario
- Efficient
- Clean
“They were excellent not only with the specifics of the heat pump but did such a neat job rerouting a drain pipe from the on demand water heater and other little touches.”
View Profile
Demark Home Ontario
- Rental
- Tankless Water Heater
- Job
“What an amazing team at Demark, first Mike was very helpful pick the right product and second Ahsan and his helper very professional very happy and recommend their service thanks Demark!”
The 24 companies listed for Toronto, ON handle furnaces and heat pumps in winter and the cooling side in summer. Profiles repeat what each firm publishes about hours, licensing and brands, with ratings and review quotes gathered from public reviews.
Area overview: Toronto, ON
All 24 companies we list here are in Toronto itself. We have 59 companies in Toronto on file; this page shows the highest-rated 24. The companies on this page are rated from 4.5 to 5.0 across 6,386 reviews; 21 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (73%) and quality (73%). The topics that come up most in reviews of the companies on this page are "efficient", "estimates" and "price". 12 are open around the clock; 17 are open on Saturdays and 14 on Sundays. The services the companies on this page list most often on their websites are air conditioning (2), boilers (2), fireplaces (2), furnace (2) and heat pumps (2). 5 show a licence on their websites and 1 lists staff certifications (WETT). 15 have ten or more years of experience, the longest 26 years. 14 offer emergency call-outs; 6 offer financing or payment plans; 14 give free estimates; 5 are family- or locally-owned and 8 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Toronto answer no-heat calls at night?
Round the clock cover is stated in 12 of the 24 listings here. On a winter night that call is worth making early, because a house left without heat can freeze pipes before morning. Expect a temporary fix and a return visit once parts are available.
View Profile
Certified Mechanical
- Job
- Fridge
- Dishwasher
“Our first interaction was more typical in nature where they couldn't commit to a specific time to come by, but when I stated how important scheduling was for me, they made all the effort to be there on time.”
View Profile
1 Click Heating and Cooling
- Grant
- Rebate
- Oil
“We are very pleased with our install , I think it will serve us well during the upcoming winter months here in Corner Brook NL and I am sure the summer months will be more tolerable as our upstairs get so hot , making sleeping very difficult.”
View Profile
Air Treatment Climatecare
- Efficiency
- Heat Pump
- Unit
“I'm genuinely grateful to her for helping us repair a system that would have cost many thousands of dollars to replace, when every other major operator in town took the easy (and profitable) way out and told us to simply go ahead and replace.”
View Profile
Imperial Heating and Cooling
- Well
- Water Tank
- Heat Pump
“I was curious whether upgrading my furnace would qualify me for the Canada Green Homes Grant, and he explained which furnaces and heat pumps were eligible for the rebates.”
View Profile
A1 Quality Chimney Cleaning & Repair
- Questions
- Technician
- Job
“The technician noticed that the chimney cap was undersized, which explains why I had a very unhappy bird hopping around in my fireplace last year (I was able to help her escape).”
View Profile
Accuserv Heating and Air Conditioning
- Tankless Water Heater
- Diagnosed
- Informative
“I called another company who couldn't send someone until a week later unless I paid for emergency service, so then I called AccuServ and they sent a technician over the same day for their normal inspection rate.”
View Profile
Laird & Son Heating & Air Conditioning
- Work
- Cleaning
- Check
“From arranging to have the gas line run to the house, removal of oil tank and furnace, and then installation of new gas furnace and all setup and testing, the Laird team were amazing!”
View Profile
Airflowpro Inc.
- Well
- Diagnosis
- Air Flow
“He was responsive when I first reached out by phone, very present and clear communicating when he would be by, and very competent in his diagnosis and servicing of my furnace.”
View Profile
Modify Air
- Happy
- Efficient
- Call
“I was impressed with the excellent and prompt customer service provided by Andy on a short notice this afternoon when the heating in my store was not working with freezing temperature outside and he came to our recue and fixed it right away.”
View Profile
Priority Plumbing & Drains
- Efficient
- Work
- Basement
“It's standard procedure for them to perform an inspection like this and I wasn't expecting other issues, but I honestly appreciated being informed so I could proactively avoid future problems.”
View Profile
Hoerner Heating & Plumbing
- Radiators
- Work
- Quote
“Cole came and fixed the problem with my toilet quick and if I have any other issues with my plumbing I will definitely be calling them again 🙂🙂🙂”
View Profile
Sunnyside Heating and Air Conditioning
- Family
- Call
- Competitive
“I didnt bother asking for a quote and was prepared to pay pretty much any rate when you got 4 kids at home crying and complaining but Ersi came up a lot less than most I called at a better AC brand.”
View Profile
JPS Canada Air Systems Inc.
- Fan Coil Unit
- Price
- Thermostats
“I am pleased with the product, and above all with the professional skills, and very pleasant mannered representative who installed everything with a great deal of care.”
View Profile
Belyea Bros. Heating & Cooling
- Efficient
- Water Heater
- Work
“Every time I spoke to Elaine over the years, either to make my annual air conditioning and boiler maintenance appointments along with advising of this no heat issue, she is always kind, professional, knowledgeable and efficient”
View Profile
Cozy Castle Hvac
- Furnace
- Tankless Water Heater
- Technician
“The staff technician of this company not only installed a humidifier, but he also made recommendations about the heat pump that was installed by another company just two weeks ago.”
View Profile
Goldwater Solar Services Ltd
- Roof
- Solar System
- Questions
“We are grateful for his clear commitment to sustainability and in how he offers solutions and supports homeowners in transitioning to environmentally friendly forms of energy.”
View Profile
LB Heating & Air Conditioning Co.
- Quote
- Units
- Contractors
“I was able to get some great advice on the phone from the operator at LB Heating & Air Conditioning, she helped me solve my problem on the phone for free - something that someone else may have charged me for a visit for.”
View Profile
Cambridge Heating Cooling Services
“Their service was fair, prompt and the engineer went above and beyond to help me, including communicating after hours, and accommodating my building's special requests.”
HVAC, Heating & AC Services in Toronto, ON Cost Estimates
Minimum cost
$2500
Maximum cost
$14983
National Average
$7800
Avg Per Hour Rates
$208
$5354
$10339
Typical price range is based on 263 cost profiles
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
HVAC Contractors near Toronto
Popular in Toronto
, ONGuides: HVAC Contractors
Ontario CO Alarm Rules 2026: How Many You Need and Where
Central AC Replacement Cost in Canada: What You'll Pay
Furnace Replacement Cost in Canada: What You'll Pay
Furnace Smells Like Burning? What's Normal, What Isn't
How to Get Out of a Water Heater Rental in Canada
Is Duct Cleaning Worth It in Canada? Evidence, Cost, Rights