Best HVAC Contractors in Varennes, QC

15 companies listed · 6 in Varennes · 11 rated 4.5+ · 5 show a licence

Data verified October 18, 2026

Service Rive Sud Climatisation et Thermopompe

Service Rive Sud Climatisation et Thermopompe

4.8 41 reviews
“At Service Rive Sud I received very good attention, they solved my problem, they installed a new wall-mounted air conditioner, they are very professional, quickly explained the steps to follow, etc”
Serves Boucherville, Longueuil +4Since 2022
8 Rue St Eugène
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Refrigeration Collette Inc

Refrigeration Collette Inc

5.0 29 reviews
“They arrive on time, are friendly, work hard, are clean and pick up all the trash.”
Since 2007
1348 Bd Lionel-Boulet
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A1 Isolation

A1 Isolation

5.0 15 reviews
“As the name of the company A1 insulation says and it really is A1”
Free estimatesRBQ licence #5715-8859-01Serves Rive-Sud, Rive-Nord +2Since 2019
50 Rue de la Gabelle local 561
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Chauffage Ventilation Climatisation Jean-Paul Arès Inc

Chauffage Ventilation Climatisation Jean-Paul Arès Inc

4.3 20 reviews
“From start to finish, to submission, he explained everything to us very well, he even informed us of all the grants we could obtain.”
RBQ #2312Since 2011
585 Bd Lionel-Boulet
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Gestion HK

Gestion HK

4.4 9 reviews
“My GREE air conditioning unit was blocked and really dirty and is now spotless!”
1350 Bd Lionel-Boulet Local 4
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Inoventis Inc

Inoventis Inc

2081 Bd René-Gaultier
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The 15 companies listed for Varennes, 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: Varennes, QC

6 of the 15 companies we list are based in Varennes; the other 9 serve Varennes from towns including Repentigny (6 km), Longueuil (18 km) and Mascouche (15 km). 14 of the companies on this page have a rating, from 4.3 to 5.0 across 2,435 reviews; 9 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (65%) and punctuality (63%). The topics that come up most in reviews of the companies on this page are "price" and "cleanliness". 5 show a licence on their websites. 8 have ten or more years of experience, the longest 26 years. 7 list coupons or special offers. We have a website on file for 14 of the companies on this page; 10 publish a contact page and 10 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.

Why do some of these firms show another city?

6 of the 15 companies have an address in Varennes; the rest come from other towns within 20 km. Crews drive to the job, so the address matters less than whether they answer calls in your area in winter.

Les Entreprises J. Coach Inc.

Les Entreprises J. Coach Inc.

5.0 50 reviews
“We hired them for work on our co-ownership and the work was carried out with great professionalism.”
Free estimates24/7 emergency serviceServes Terrebonne, Mascouche, North Shore of MontrealSince 2019
Mascouche, QC · 15 km from Varennes
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Klimfax

Klimfax

4.5 49 reviews
“The technician explained the repairs required very clearly and was not only knowledgeable but also friendly!”
Coupons & offersRBQ licence #5637-9613-016-yr warrantyFinancing availableSince 1969Serves Contrecœur, Candiac +6
Longueuil, QC · 18 km from Varennes
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Groupe Rousso

Groupe Rousso

4.7 48 reviews
“Outstanding professionalism, from the call and meeting with Marie-Claude and the 2 technicians Christian and Ayoub who accomplished their tasks perfectly!”
Coupons & offersFree estimatesServes Greater Montreal, major regions of QuebecLicensed
Longueuil, QC · 18 km from Varennes
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Thermobec

Thermobec

5.0 50 reviews
“A successful installation thanks to the professionalism, kindness and politeness of the staff.”
25+ yearsServes Repentigny, Lanaudière +6
Repentigny, QC · 6 km from Varennes
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Climate Comfort LB Inc.

Climate Comfort LB Inc.

4.7 46 reviews
“Very good work by Luc and his team for the installation of a new central heating/air conditioning system.”
Coupons & offersRBQ licence #8234-6149-51Since 1997Serves Montréal, Repentigny
Repentigny, QC · 6 km from Varennes
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Chauffage Fleurant Inc

Chauffage Fleurant Inc

4.7 46 reviews
“I have just had my heat pump and furnace replaced (after 19 years), really very satisfied with the advice, the supply and the installation.”
Free estimates24/7 emergency serviceFinancing available6,000 installationsSince 2000Serves Repentigny, Laval +2
Repentigny, QC · 6 km from Varennes
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Air Péloquin Inc.

Air Péloquin Inc.

4.5 45 reviews
“The representative clearly explained the complexities of the work to be carried out in our situation.”
Énergir-certifiedFinancing availableSince 1986Serves Longueuil, South Shore of Montreal
Longueuil, QC · 18 km from Varennes
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Les Services Polarbear

Les Services Polarbear

4.8 49 reviews
“Chris made time to fix my a/c during the furst heat wave of the summer.”
Free estimates10+ yearsServes Greater Montreal, Montérégie +4
Montreal, QC · 22 km from Varennes
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Excel Climatisation Inc.

Excel Climatisation Inc.

4.6 49 reviews
“Very competent heating and air conditioning installation team with a constant focus on a job well done”
Coupons & offersFree estimatesSince 1995
Saint-Hubert, QC · 20 km from Varennes
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Why these companies made our list

What customers say about companies in and near Varennes

  • “Martin repaired my furnace, he answered all my questions, and he was very kind.” — customer of Chauffage Ventilation Climatisation Jean-Paul Arès Inc
  • “I am grateful to have used this company for the installation of my heat pump, and I would not hesitate to recommend them to anyone looking for quality service in this area.” — customer of Service Rive Sud Climatisation et Thermopompe
  • “Excellent service. The work was done very well and the estimate was respected.” — customer of Les Entreprises J. Coach Inc.
  • “They answered all my questions with respect. An impeccable job during installation.” — customer of Chauffage Fleurant Inc

Excerpts from public reviews of the companies listed on this page.

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