Evam Canada Inc.
“He came and assessed our old system, made recommendations which I knew were in line with current industry standards and gave us a quote that very fair.”
Best HVAC Contractors in Mississauga, ON
23 companies listed · all 23 in Mississauga · 12 open 24/7 · 20 open weekends · 22 rated 4.5+
Data verified October 19, 2026
Longhouse Electric
“He is very knowledgeable and was very thorough in checking everything with my electrical issue.”
Furnace King Home Services
“Have been using Furnace King for maintenance after a furnace & A/C purchase 10 years ago (both still going strong).”
Aire One Peel
“Excellent and very professional experience from both the Sales and Installation personnel!”
Green Heating and Air Inc.
“Our water boiler broke down and they were able to come in the next day on a Saturday, everyone else we called wanted us to wait until Monday at the earliest.”
The Heatman Heating and Cooling
“We will definitely work with The Headman again and refer him to family and friends!”
The 23 companies listed for Mississauga, 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: Mississauga, ON
All 23 companies we list here are in Mississauga itself. We have 107 companies in Mississauga on file; this page shows the highest-rated 23. The companies on this page are rated from 4.2 to 5.0 across 2,940 reviews; 21 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (82%) and quality (81%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 12 are open around the clock; 20 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are heating (4), cooling (3), emergency service (3), water heaters (3) and air conditioning (2). 9 show a licence on their websites. 7 have ten or more years of experience, the longest 26 years. 14 offer emergency call-outs; 6 offer financing or payment plans; 8 give free estimates; 2 are family- or locally-owned and 13 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 Mississauga answer no-heat calls at night?
Round the clock cover is stated in 12 of the 23 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.
MH Heating and Cooling Solutions
“Not only is he a very nice man he came out on holiday Monday to repair my AC.”
Avis
“Very professional and quick service provided by this company, I would definitely recommend to friends and family if they are in need of your services.”
Airmaxx Heating & Airconditioning Inc
“After about an hour of testing, we determined that the best course of action was to replace the main unit on the roof, which was over 20 years old and severely rusted.”
Air Track Inc
“Had the opportunity to utilize Air Track for our HVAC and they continue to provide excellent and cost-effective service time and time again and Air Track is our goto for all HVAC needs!”
Heavenlyair.ca
“His expertise was evident as he efficiently carried out the repair, ensuring everything was working perfectly before he left.”
Furnace & AC Experts
“They exceeded my expectations by finishing the project flawlessly and on schedule.”
Hvac-Group
“They were able to diagnose and fix the problem with my 40-yr-old air conditioner and they didn't try to up-sell me to replace it.”
Air Flow Heating & Cooling Ltd.
“Great Service , explained what the problem was and how they were going to repair it.”
Mas Air Home Comfort
“Norman ensured that all preparation work was done correctly and rectified any issue before additional insulation material was added.”
Applewood Air Conditioning
“Have always had a great experience working with Brendon and the Applewood team!”
Maher Heating & Cooling
“The installers were on time, professional and did a great job to making sure the installation looked neat.”
Quickfast Service Company
“Nuri and his associate installed a brand new air conditioner in a few hours and did a magnificent job with attention to details.”
Glors Heating and Air Conditioning
“Pricing was reasonable and I didn't feel pressured to get anything on the spot.”
Blackrock Hvac Ltd.
“I've had multiple jobs completed by Orest and his team from emergency service calls to new installs.”
Smart Heat Heating and Cooling
“Will be working with them in the future for all of our heating and cooling needs.”
Four Seasons Air Control (West ) Inc.
“Reza, the lead installer, and his team completed the HVAC installation efficiently and with excellent workmanship.”
Uniworth Heating AND Cooling Ltd.
“They installed our ductwork efficiently and improved the airflow in our home.”
Why these companies made our list
What customers say about companies in Mississauga
- “We didn’t feel pressured at all. Dan and Kevin showed up, exactly on time, very friendly and polite, explaining everything that had to be done.” — customer of Applewood Air Conditioning
- “Incredible service, they were able to attend much quicker than I would have expected and provided courteous, professional service at a great price.” — customer of The Heatman Heating and Cooling
- “We highly endorse Furnace & AC Experts for their friendly, skilled staff and their efficient, professional service.” — customer of Furnace & AC Experts
- “Ed and his team were timely, professional and explained everything about the new heat pump.” — customer of Evam Canada Inc.
- “Absolutely exceptional customer service. Crew did a fantastic job servicing our furnace and fireplace.” — customer of Four Seasons Air Control (West ) Inc.
Excerpts from public reviews of the companies listed on this page.
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