Chauffage Climatisation Nadco
“Excellent service from start to finish, a team that listens to our needs without trying to sell us more than what is necessary!”
Best HVAC Contractors near Sainte-Thérèse, QC
These companies serve Sainte-Thérèse from nearby bases in towns including Sainte-Sophie, Sainte-Catherine and Sainte-Anne-des-Plaines.
10 companies listed · 3 open 24/7 · 3 open weekends · 9 rated 4.5+ · 4 show a licence
Data verified October 18, 2026
Climélite Multiservices
“Super fast and efficient service both in terms of making appointments and field work.”
Chauffage Martin Pinsonneault Inc
“It was a fantastic experience dealing with Martin Pinsonneault- he's honest, straightforward, and knows his business inside and out.”
Les Entreprises A.S.
“Repair was done in a timely and professional manner with courtesy and respecting all current COVID guidelines.”
Plomberie Et Chauffage Rochon Inc
“Very responsive and replaced my leaking water main shut off valve while the city had shut water during road work.”
Pro-Réf Nord Inc
“Fast, professional services with real attention to detail, I highly recommend them”
The 10 companies listed for Sainte-Thérèse, 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: Sainte-Thérèse, QC
9 of the 10 companies on this page have a rating, from 4.5 to 5.0 across 440 reviews; 3 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (69%) and punctuality (65%). The topics that come up most in reviews of the companies on this page are "price" and "efficient". 3 are open around the clock and 3 are open on weekends. 4 show a licence on their websites. 3 have ten or more years of experience, the longest 20 years. 3 offer emergency call-outs and 1 lists coupons or special offers. We have a website on file for all 10 of the companies on this page; 7 publish a contact page and 8 list a public email. 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 Sainte-Thérèse answer no-heat calls at night?
Round the clock cover is stated in 3 of the 10 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.
Ventilation Lacroix Inc
“The Best place for fan balancing and ventilation”
Ventilation Robert
Oxecool
DB Climatisation (Montreal)
“I had my wall unit cleaned, and everyone I spoke with was super nice and professional.”
Why these companies made our list
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