Cirtech Cvac Inc.
“Even though we were in a remote area, they made every effort to have someone come the same day and were able to repair our HVAC right away.”
Best HVAC Contractors near Dorval, QC
3 of these companies are based in Dorval; the others serve Dorval from towns including Laval, Longueuil and Montreal.
7 open 24/7 · 14 open weekends · 20 rated 4.5+ · 15 show a licence
Data verified October 17, 2026
Click-Air Inc.
“I would highly recommend, if you have any issues with your ventilation or heating, I suggest you give this company a call.”
Opera Detectors
DB Climatisation (Montreal)
“What can we say about the service of the office girls, kind, helpful and hot… 😉 …”
Air Climatisation VS
“He was very resourceful and used several tactics to resolve the problem.”
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Thermo Climaz
“They are extremely professional, knowledgeable and gave us the best price for the work.”
The 24 companies listed for Dorval, QC 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: Dorval, QC
The 24 companies on this page are rated from 4.3 to 5.0 across 7,108 reviews; 23 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (69%) and punctuality (69%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 7 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 installation (4), chauffage (2), maintenance (2), thermopompe centrale (2) and thermopompe murale (2). 15 show a licence on their websites. 9 have ten or more years of experience, the longest 26 years. 9 offer emergency call-outs; 3 offer financing or payment plans; 7 give free estimates and 10 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 23 publish a contact page; 19 list a public email and 1 takes 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 Dorval answer no-heat calls at night?
Round the clock cover is stated in 7 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.
Celsiuslab
“A great company that I highly recommend.”
AT Climatisation
“Very good after-sales service, Manny was very courteous and professional, he takes the time to explain everything and knows what he is doing well.”
Services Ecolux Inc.
“Professional and fast service, my problem was solved immediately.”
Klimfax
“I was very satisfied with the professionalism and expertise of technician Slinane Kadri.”
Thermo-Stat Inc
“The technicians were very professional, it was a pleasure to have chosen thermo-stat”
Groupeeconovert.inc
“Fair prices, excellent technicians, courteous, polite and professional, cleaned up their workspace nicely.”
Groupe Rousso
“We had a problem of the thermo leaking, but I called and they came back and repaired it , it seems to be going well now”
Entreprises MST
“He took the time to answer all my questions in a professional, patient and very attentive manner.”
Climatisation & Chauffage
“The installation was done without any problem, we appreciated the professionalism of the technicians.”
Angel Climatisation Inc.
“When we needed their help for an emergency repair to our AC unit, they made room for us in the schedule extremely quickly.”
Aeroseal Global à Montréal/Québec
“Thanks to his perseverance, we were able to better understand the ventilation system of our house, built in 1954 on a monolithic slab.”
Electrika Inc.
“System is running fine now, and we discussed some options for when it has another "bad day" It's a 10 year old LG that has treated us very well.”
Duraclim
“Done quickly and with great care.”
Confort MH
“Alexandre is very attentive to our needs and always available to answer our questions!”
Climatisation Gabriel Miron
“Gabriel and his colleague gave me great service for the maintenance and cleaning of my device.”
Les Services Polarbear
“We are extremely happy with the service provided and would highly recommend them to anyone looking for reliable and knowledgeable professionals in the air conditioning field.”
Climate Solutions
“Roman was extremely quick to respond when we contacted him with our AC issues.”
Les Entreprises Lavallière
“Our technician Jean-Luc quickly identified our problems and offered solutions to repair them.”
Why these companies made our list
What customers say about companies near Dorval
- “Gabriel, with his team, was very responsive and managed to change my heat pump the same day I called.” — customer of Climatisation Gabriel Miron
- “Very professional and quick service. I would recommend MST to anyone looking for a heat pump.” — customer of Entreprises MST
- “Company and installers who demonstrated professionalism at each stage from the quote to the installation of my heat pump.” — customer of Confort MH
- “Very professional service, very committed staff, courteous and attentive to the customer.” — customer of Climatisation & Chauffage
- “Very happy with the installation of the heat accumulator and new heat pump by the fantastic and competent team at MST.” — customer of Entreprises MST
Excerpts from public reviews of the companies listed on this page.
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