APK Hvac PRO Heating and Air Conditioning
“He has helped us with everything from furnace repairs and air conditioner replacements to legal basement HVAC.”
Best HVAC Contractors near New Tecumseth, ON
2 of these companies are based in New Tecumseth; the others serve New Tecumseth from towns including Schomberg (10 km), Newmarket (23 km) and Tottenham (10 km).
5 open 24/7 · 12 open weekends · all 15 rated 4.5+ · 4 show a licence
Data verified October 21, 2026
Climateco Mechanical Inc
“He stayed to show me how everything worked, and has been very responsive with some of the other quotes I have requested.”
Temp Air Control
Energy Home Service
“He understands HVAC systems well and did very good job with cleaning all hidden spots.”
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Alltech Climate
“Thank you again for prompt efficiency and expert care good service is hard to come by these days”
Aire One North Heating & Cooling
“He was very pleasant and polite to deal with, and we would highly recommend these services to anyone needing them!”
The 15 companies listed for New Tecumseth, 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: New Tecumseth, ON
The 15 companies on this page are rated from 4.5 to 5.0 across 2,590 reviews; 11 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (92%), quality (81%) and responsiveness (78%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "estimates". 5 are open around the clock; 12 are open on Saturdays and 10 on Sundays. 4 show a licence on their websites. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 8 offer emergency call-outs; 3 offer financing or payment plans; 4 give free estimates; 4 are family- or locally-owned and 6 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 14 publish a contact page; 11 list a public email and 1 takes bookings online. 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?
2 of the 15 companies have an address in New Tecumseth; the rest come from other towns within 25 km. Crews drive to the job, so the address matters less than whether they answer calls in your area in winter.
M.a.c. Stewart Plumbing
“We were fortunate to find a good plumber like Mark from M.”
Schomberg Sheet Metal Ltd
“Fast friendly service from Danny , heating was up and running in no time and in a day when just looking at a dishwasher casts $200 before they do anything, a repair and service at $150 was amazing THANK YOU”
The Fireplace Stop
“We live up in the Parry Sound district and want to thank the Andy's, senior and junior, and their team for servicing us up here and for their professional and open approach to servicing clients.”
David Brown Heating and Air Conditioning
“Our furnace broke on one of the hottest weeks and it was amazing how quickly he got the job done.”
Hvac Air Systems Inc.
“George came in and got straight to work, figured out the exact problem and fixed that!”
Royal Fresh Air Heating and Air Conditioning
“I did my new installation of my AC, water heater and humifier through Royal Fresh air.”
South Simcoe Heating and Air Conditioning
“They show up when they say they are going to be there, they don't try to sell you anything you don't need and what they quote is what you pay.”
Infinite Home Services Inc
“Alex and Ali were very helpful and did the job very well.”
ABM Home Climate Inc.
“The installation was completed quickly without compromising quality, and my home's climate has never been better”
Why these companies made our list
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