Empower Home Comfort
“JK is a Very Pleasant, Professional,and Very Thorough in Properly Diagnosing and Resolving Any Concerns You may have with HVAC systems”
Best HVAC Contractors in Toronto, ON
20 companies listed · all 20 in Toronto · 8 open 24/7 · 14 open weekends · 15 rated 4.5+
Data verified October 19, 2026
Advanced Plumbing & Drains
“Second time using them, and will continue to be our first call.”
Dupont Heating & Air Conditioning Ltd
“Called in the morning and the service person arrived on the early side of the estimated time frame.”
Airflowpro Inc.
“Jean Paul got the job done quickly and made sure everything was working perfectly at a fair price.”
Goldwater Solar Services Ltd
“Goldwater Solar was recommended by our pool store and we are so happy.”
Priority Plumbing & Drains
“Cole was amazing, so kind, worked quickly but also took time to educate me on the problem and preventive measures for everything in my home.”
The 20 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 20 companies we list here are in Toronto itself. We have 59 companies in Toronto on file; this page shows the highest-rated 20. 19 of the companies on this page have a rating, from 3.0 to 5.0 across 4,275 reviews; 9 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (97%), responsiveness (89%) and quality (84%). The topics that come up most in reviews of the companies on this page are "estimates", "efficient" and "price". 8 are open around the clock; 14 are open on Saturdays and 12 on Sundays. 3 show a licence on their websites. 11 have ten or more years of experience, the longest 25 years. 10 offer emergency call-outs; 2 offer financing or payment plans; 10 give free estimates; 1 is family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 20 of the companies on this page; all 20 publish a contact page; 17 list a public email and 2 take bookings online. 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 8 of the 20 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.
Caboodl
“I had my old A/C taken off outside wall and they built a pad and put the new A/C on the pad.”
Sunnyside Heating and Air Conditioning
“I would recommend the company to anyone looking to replace their air conditioning unit.”
LB Heating & Air Conditioning Co.
“Delleny was very professional and carefully explained what he was doing and discovering as he serviced our furnace.”
Ontario Power and Energy
“Very professional and timely job done as well as taking the time to clean up the work area.”
Zaza Contractors
“Damian was our lead contractor , and he was not only super kind and fun to work with, but he also suggested little design tweaks that made a massive difference in how the bathroom looks now”
Ivic Construction Ltd
“We were very pleased with how quick the job got completed and would definitely be working with them for our next project!”
AC & Furnace Depot Inc
“The day was salvaged by their quick cooling system repair, and my house is now comfortably cool.”
A&M Heating & Air Conditioning
“When I called A&M Heating and Air Conditioning, they showed up within an hour and an hour later I had heat.”
Interior Climate Solutions LTD
“Nick and his technicians were amazing, no mess left behind, very conscientious about not damaging doors, walls, eta when taking the old pieces out.”
Toronto Radon Removal
“They even put down mats/blankets in the house to keep the floors clean.”
Radiant Sole
“We have been really impressed with the quality of their work and highly recommend Radiant Sole for all your in-floor heating projects!”
DBM
Paramount Hvac Solutions
Eco Ap Corp
Why these companies made our list
What customers say about companies in Toronto
- “Sunnyside was responsive, on time, and easy to deal with when I had to replace a furnace.” — customer of Sunnyside Heating and Air Conditioning
- “Fast, efficient and friendly, they really went the extra mile to help us and fix our broken air conditioner.” — customer of Caboodl
- “Great service! The technician was professional, knowledgeable, and did an excellent job servicing our heat pump.” — customer of Empower Home Comfort
- “The young man who came to service our furnace was very professional and knowledgeable.” — customer of LB Heating & Air Conditioning Co.
- “Had a furnace installed. Great installation service, great price and exceptional customer service.” — customer of Sunnyside Heating and Air Conditioning
Excerpts from public reviews of the companies listed on this page.
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
Heat Pump Cost in Canada: Prices, Sizing and Rebates
Hot Water Tank Replacement Cost in Canada: Prices, Permits