Active Climate Mechanical
“I had to change my plans several times, and he was always flexible, understanding, and ready with practical solutions.”
Best HVAC Contractors near Clarington, ON
These companies serve Clarington from nearby bases in towns including Bowmanville, Courtice and Oshawa.
15 companies listed · 6 open 24/7 · 13 open weekends · all 15 rated 4.5+ · 3 show a licence
Data verified October 21, 2026
Tranquility Home Comfort
“Everytime I book a service appointment, they are always on time and get the job done correctly the first time.”
LFZ Heating & Cooling
“Communication was good from the outset of the furnace replacement process and work was prompt, courteous and clean.”
Red Seal Mechanical Services
“Lee was thorough, explained what he was doing and his findings clearly all for a fair price!”
Pritchard's Mechanical
“Had the furnace go out on a cold weekend, they put me on the phone with John, an absolutely wonderful tech and he was able to get everything fixed up right away.”
Max Comfort Heating & Cooling
“Matt and his team member walked 2 houses down up road to my place and had the unit hooked up in no time.”
The 15 companies listed for Clarington, 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: Clarington, ON
The 15 companies on this page are rated from 4.8 to 5.0 across 2,789 reviews; 11 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), punctuality (88%) and quality (88%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "efficient". 6 are open around the clock; 13 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are gas lines (4), water heaters (3), fireplaces (2), furnaces (2) and indoor air quality (2). 3 show a licence on their websites. 5 have ten or more years of experience, the longest 30 years. 8 offer emergency call-outs; 3 offer financing or payment plans; 6 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 12 list a public email and 2 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 Clarington answer no-heat calls at night?
Round the clock cover is stated in 6 of the 15 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.
Ashton Heating & Cooling
“Really happy with my experience and highly recommend using this company, I know I will again for upkeep and maintenance.”
Joe's Heating and Air Conditioning
“His knowledge and tradesmanship is great, including his meticulous and thorough work.”
First Line Heating and Air
“Ryan is so pleasant and knowledgeable to deal with and he got the job done at a fair price.”
North Strong Hvac
“Mustafa is very professional and he quickly understood my furnace issue and within no time he visited my house and addressed the real issue ,also special thanks to Jay.”
Daly Home Comfort
“I have personally hired them for several jobs, and will call them again for anything upcoming in the future.”
Bennett Mechanical Systems
“Scott was able to squeeze my appointment in early the next morning.”
PC Mechanical Services
“Nick did an excellent job installing the gas line for BBQ and fire table, he provided valuable information on what to do /the best solution.”
Elite Mechanical Services
“I would highly recommend and plan to call Elite Mechanical Services again for any future issues.”
Heritage Heating and Cooling
“Purchasing a century home comes with its fair share of unexpected issues, but Bryan took the anxiety out of a precarious situation and had our HVAC system up and running effectively with a couple of days.”
Why these companies made our list
What customers say about companies near Clarington
- “Brent was professional, knowledgeable, and took the time to explain exactly what was causing the issue with our heat pump in a way that was easy to understand.” — customer of Elite Mechanical Services
- “After inspecting my system, they honestly explained that my furnace was 22 years old and walked me through the recommendation for a replacement, explaining everything clearly and patiently with no pressure.” — customer of Daly Home Comfort
- “The technician came promptly and on time. He was not only thorough and explained everything to us in detail, but was very kind, personable and provided us with several options and an accurate quote for our air conditioner.” — customer of Joe's Heating and Air Conditioning
- “Lee has done work for us before on our air conditioner and he is always prompt, professional, takes pride in his work and most importantly is honest.” — customer of Red Seal Mechanical Services
- “Jon was very professional and friendly , excellent service and he explained the issues with our furnace thoroughly and honestly .” — customer of Pritchard's Mechanical
Excerpts from public reviews of the companies listed on this page.
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HVAC Contractors near Clarington
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