Best HVAC Contractors in Barrie, ON
24 companies listed · all 24 in Barrie · 10 open 24/7 · 17 open weekends · 19 rated 4.5+
Data verified October 18, 2026
A Plus Heating & Air Conditioning
Barrie Heating & Air Conditioning
Air Source Home Comfort
Custom Comfort Climatecare
Lafontaine Mechanical
The 24 companies listed for Barrie, 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: Barrie, ON
All 24 companies we list here are in Barrie itself. We have 28 companies in Barrie on file; this page shows the highest-rated 24. The companies on this page are rated from 3.6 to 5.0 across 3,427 reviews; 14 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%), responsiveness (79%) and quality (71%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 10 are open around the clock; 17 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are air conditioners (3), water heaters (3), boilers (2), ductless mini splits (2) and emergency repair (2). 4 show a licence on their websites. Domain records put 11 websites of the companies on this page at ten or more years old; the oldest dates from 2001. 17 offer emergency call-outs; 7 offer financing or payment plans; 10 give free estimates; 5 are family- or locally-owned and 7 list coupons or special offers. 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 Barrie work on Saturdays or Sundays?
Saturday or Sunday hours show up for 17 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.
Georgian Home Comfort
Doctor Appliance Heating & Cooling
Aire One Heating & Cooling Inc
Homebridge Canada Inc.
MAK Mechanical
Andrew's Heating & Air Conditioning
Barrie Furnace Repair
Barrie Mechanical
Corh
Plancaster Heating and Air Conditioning
RK Air Systems
Garry Mechanical Inc
Temp Tech Mechanical Inc.
Napoleon Home Comfort Barrie
AB Mechanical Inc.
Fire Proofing Barrie
Prestige Mechanical Ltd.
Lake Simcoe Heating & Air Conditioning
Why these companies made our list
What customers say about companies in Barrie
- “Great customer service! Jonathan and Adam showed up on time, explained everything they were doing and went above to do a proper install of our new furnace.” — customer of Georgian Home Comfort
- “Rob and Matt are amazing. Very knowledgeable, very pleasant to deal with, very responsive, extremely hard working.” — customer of RK Air Systems
- “Great service, friendly and professional technicians. I had an issue with my furnace and they came quickly and were able to solve the issue for a very reasonable price.” — customer of Barrie Mechanical
- “Excellent and fast service! Stephen was extremely respectful of our home and went above and beyond to ensure our furnace was in good working order to keep our family warm over night.” — customer of Air Source Home Comfort
- “Aaron did a great job servicing our furnace today - on time, professional, skilled and helpful!” — customer of Custom Comfort Climatecare
Excerpts from public reviews of the companies listed on this page.
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