Best HVAC Contractors in Calgary, AB
22 companies listed · all 22 in Calgary · 19 open 24/7 · 19 open weekends · 21 rated 4.5+
Data verified October 21, 2026
Hansen Plumbing & Heating
Comfort Union Heating & Plumbing Calgary
W & J Heating
Plumbing & Heating Paramedics
Instant Plumbing & Heating
The 22 companies listed for Calgary, AB 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: Calgary, AB
All 22 companies we list here are in Calgary itself. We have 154 companies in Calgary on file; this page shows the highest-rated 22. The companies on this page are rated from 4.4 to 5.0 across 12,111 reviews; all 22 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (92%), responsiveness (81%) and quality (78%). The topics that come up most in reviews of the companies on this page are "efficient", "estimates" and "price". 19 are open around the clock and 19 are open on weekends. The services the companies on this page list most often on their websites are drain cleaning (3), duct cleaning (3), humidifiers (3), boiler installation (2) and electrical (2). 5 show a licence on their websites and 1 lists staff certifications (NATE). Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2007. 20 offer emergency call-outs; 12 offer financing or payment plans; 11 give free estimates; 9 are family- or locally-owned and 12 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 Calgary work on Saturdays or Sundays?
Saturday or Sunday hours show up for 19 of the 22 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
Go Furnace Ltd.
Horizon Heating & Air Conditioning
Vero Mechanical
Rodger That
Calgary Heating Services
Clearview Services Ltd.
Western Canadian Furnace Company Ltd.
Knight Plumbing
Calgary Air Heating and Cooling Ltd
Solid Rock Hvac
Macleod's Plumbing & Heating Inc.
King's Plumbing & Hvac
Spring's Servicing & Heating Ltd
Harmony Heating & Air Conditioning Inc
Tiptop Plumbing & Heating
Ace Plumbing and Heating
Why these companies made our list
What customers say about companies in Calgary
- “Outstanding, prompt, and professional service. Alvaro made time to come out to our home and repair our furnace on a busy weekend, as well as install a new thermostat.” — customer of Vero Mechanical
- “Work was completed in a timely manner by staff who were friendly and knowledgeable about their work.” — customer of Western Canadian Furnace Company Ltd.
- “The furnace tech was very efficient and was able to replace the part in a timely manner, leaving me with a smoothly running furnace.” — customer of Spring's Servicing & Heating Ltd
- “They were also very responsive to my questions and concerns, which put me at ease and made me feel like a valued customer.” — customer of Calgary Heating Services
- “Very honest and completed maintenance needed to the furnace at a very reasonable price and everything was done on the same day.” — customer of Solid Rock Hvac
Excerpts from public reviews of the companies listed on this page.




