Comfort Zone Heating and Air Conditioning
“We received services for different jobs in 2023 and 2024, and the quality is always great.”
Best HVAC Contractors in Cobourg, ON
24 companies listed · 5 in Cobourg · 11 open 24/7 · 15 open weekends · 19 rated 4.5+
Data verified October 18, 2026
Stadtke Plumbing & Heating Ltd.
“Griffin & Vince were friendly, informative and made necessary repairs after laying out my options.”
Duct Dynasty Hvac
“We had a tricky issue with our AC/furnace that had them, and everyone else, stumped.”
Northumberland Climate Solutions Inc.
“I strongly recommend NCS to who ever is looking for duct cleaning and furnace inspection/repair!!!”
Superior Heating and Air Conditioning Ltd.
“They got somebody in within the hour replace the part that was broken and now I have heat.”
United Trades
The 24 companies listed for Cobourg, 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: Cobourg, ON
5 of the 24 companies we list are based in Cobourg; the other 19 serve Cobourg from towns including Peterborough, Bowmanville and Port Hope. 23 of the companies on this page have a rating, from 4.1 to 5.0 across 2,706 reviews; 12 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (80%) and responsiveness (80%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 11 are open around the clock; 15 are open on Saturdays and 13 on Sundays. 4 show a licence on their websites. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 13 offer emergency call-outs; 8 offer financing or payment plans; 14 give free estimates; 8 are family- or locally-owned and 5 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 21 publish a contact page; 18 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.
Do any heating firms listed for Cobourg work on Saturdays or Sundays?
Saturday or Sunday hours show up for 15 of the 24 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
Hoover's Home Energy Inc. Heating and Air Conditioning
“A reliable provider for installation and maintenance of my high efficiency furnace.”
Pritchard's Mechanical
“The existing furnace and ductwork had a unique set up and Pritchards did some problem-solving to ensure that everything would be safe and up to code with the new installation”
Teatro Mechanical
“I was so happy with their detailed knowledge about what they're doing”
Red Star Heating and Air
“Quality workmenship that was done quickly at a far less expensive price then anyone else that quoted on the job!”
A1 Heating Inc
“I've already referred him to friends and will keep referring for a very long time.”
A & S Mechanical
“Sharon & Adam did an excellent job installing the unit, the brackets suppprting the heat pump & the neat finishing job with the outside lines.”
Northumberland Hvac Designs
“My home had no AC and had baseboard heaters, and he designed and installed the ductwork, got rid of an old fireplace, and installed a brand new furnace and AC!”
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Tom's Heating and Cooling
“Came on time and did the necessary work,Patrick was very quick and did what was needed and also answered my questions and is very polite”
The Comfort Shoppe
“Scott and Emma were prompt with quotes, extremely patient with us while we made up our mind and had a million questions and were totally honest with us”
Doyle Home Services
“Not only solved our drain issues, but left things cleaner than they were and passed on some fishing tips.”
Fortis Heating & Air Conditioning
“They were professional and did an amazing job installing my new furnace.”
Platinum Choice Heating and Air Conditioning Inc.
“We call Jake for all our heating and air conditioning needs, and we've been using this company for over 10 years.”
Fires Alive
“My existing propane fireplace needed to be replaced and after shopping around at several different fireplace dealers this May (2024) in Peterborough, I chose Fires Alive and very glad I did - purchased a Napolean Havelock.”
Bennett Mechanical Systems
“Scott did an amazing job running my gas line on time and very neat and tidy”
Rene's Total Home Comfort Ltd.
“Fair and transparent pricing, with easy options for payment over the phone or etransfer.”
Ontario Mechanical Inc
“Russ will also take the time to explain what he's doing, answer any questions, and give you peace of mind about what is a large purchase for most people.”
Edgar Simmons Heating
“Todd Doris, owner of the company,came out that same afternoon and took measurements and said we could have a new furnace the next day.”
Boyd Heating and Cooling
“Jeremy Boyd installed my furnace 17 years ago and has been on call for me ever since.”
Why these companies made our list
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