Air Quality Dunrite
“Air quality is so important to us, and we were relieved to have someone so knowledgeable and trustworthy help us get the units we need and answer any questions clearly.”
Best HVAC Contractors in Concord, ON
24 companies listed · all 24 in Concord · 2 open 24/7 · 15 open weekends · 19 rated 4.5+
Data verified October 21, 2026
Caspian Heating and Air-Conditioning Inc
“His team arrived on time to start the job and worked non-stop until they finished the installation”
Acfurnacegta Corp
“Will have them back for a furnace one day I highly recommend this company and crew !”
Power Jet
“Brayden at Power jet was super professional and made the experience amazing.”
Bison Air Inc
“The installation was very professional and Hamed was there on the day of installation as well to make sure everything goes smooth.”
Canada Hvac
“Todd, Gary and the other members of the installation showed up on time and were completely professional every step of the way”
The 24 companies listed for Concord, 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: Concord, ON
All 24 companies we list here are in Concord itself. We have 39 companies in Concord on file; this page shows the highest-rated 24. The companies on this page are rated from 4.1 to 5.0 across 889 reviews; 8 have 50 or more reviews and 19 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "price" and "efficient". 2 are open around the clock; 14 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are attic insulation services (2), boilers (2) and heat pumps (2). 2 show a licence on their websites. 8 have ten or more years of experience, the longest 26 years. 7 offer emergency call-outs; 3 offer financing or payment plans; 10 give free estimates and 7 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 22 publish a contact page; 20 list a public email and 3 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 Concord answer no-heat calls at night?
Round the clock cover is stated in 2 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.
Improve Aire
“Best staff ever, Mona was so kind and helpful to find the best deal”
GTA Heating & A/C INC
“Parvaneh provided me many options to choose and Mark did wonderful job to install it I recommend them 100%”
Air Makers Inc.
“Very quick and responsive, after the AC was repaired, the technician guy also set out a maintenance plan for us.”
Thermal Concepts Ltd
“The team was amazing at making sure that I was getting a quality product installed by true professionals.”
Alexfix Canada
“You can tell that he is really very knowledgeable in this area.”
Consumers Energy Management
“The quote was very reasonable (the quote includes draining and unhooking the hot water tank and hooking our water up to the combi boiler).”
Emitless
“Good service, was able to answer all my questions and got our home upgraded with the rebates.”
Supreme Air Mechanical
“Awesome service we need more people like you around not just looking for your own pockets your prices are extremely good also you have great knowledge in your business”
Green Life Hvac
“Reached our to GreenLife to help with our residential builds, these guys at Greenlife are the most knowledgable & respectable gentlemen in the industry.”
Sareena Heating & Cooling Inc. (Hvac)
“I will be enjoying the new AC and Furnace for years to come.”
Airway Systems Ltd.
“They were straightforward through the whole process and were able to complete the job in an efficient manner.”
Hace Mechanical Corp.
“Quick turn around on our boilers inspections.”
Rainbow Mechanical Services Ltd.
“Fantastic company to work with very knowledgeable in the industry and amazing service.”
Elevate Home and Commercial Services Inc.
“Had them come out to service for my elderly father, from call center to technicians, service was excellent.”
Dynamic Climate Control Inc
“They not only did an amazing job, the technician who came was knowledgeable and very professional, giving me some very helpful tips that I would have never known.”
Custom Insulation Systems
“Good company, Great service, great professional team with good price.”
Brusan Heating & Air Conditioning Ltd
“Louie was very knowledgeable and did not consider the job done until I was satisfied and completely understood how my new system worked.”
Evergreen Building Services Inc.
“Fix My HVAC does not only deliver with professionalism, but one of the things I value the most from Agostino and the team is their transparency and relentless willingness to service only at the highest standard of quality.”
Why these companies made our list
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