Capital Home Comfort Systems
“Went out of there way to not only complete the job but also help my mother and make sure everything was working great.”
Best HVAC Contractors in Kanata, ON
15 companies listed · 5 in Kanata · 10 open 24/7 · 12 open weekends · 14 rated 4.5+
Data verified October 21, 2026
Team Harding
“Quick, friendly, and informative service on the initial free consultation, fantastic pricing, a fast install time on the new furnace we purchased, and generous warranty support.”
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Comfort Hub Heating & Cooling
“From requesting an initial quote to getting the heat pump installed, Jeremy was responsive, very knowledgeable and professional.”
Bedford Home Heating
“Absolutely delighted with the level of service and professionalism combined with easy going levity.”
Greentech Air Balancing
JD Swallow Heating & Cooling
“After telling him we did he was able to adjust the fan speed on the AC unit to help cutdown on the humidity in the basement.”
The 15 companies listed for Kanata, 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: Kanata, ON
5 of the 15 companies we list are based in Kanata; the other 10 serve Kanata from Ottawa (19 km), Nepean (13 km) and Carp (7 km). The companies on this page are rated from 4.2 to 5.0 across 3,275 reviews; 13 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), responsiveness (82%) and quality (77%). The topics that come up most in reviews of the companies on this page are "cleanliness", "efficient" and "estimates". 10 are open around the clock; 12 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are heating (3), air conditioning (2) and cooling (2). 1 shows a licence on its website. Domain records put 8 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 10 offer emergency call-outs; 6 offer financing or payment plans; 11 give free estimates; 3 are family- or locally-owned and 6 list coupons or special offers. 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?
5 of the 15 companies have an address in Kanata; the rest come from other towns within 20 km. Crews drive to the job, so the address matters less than whether they answer calls in your area in winter.
Kovar Contracting Inc.
“Staff provided great explanations of the work to be done and maintained good communications.”
Reliable Home Environment
“From initial sales call by Charlie to the install team our experience was fantastic.”
Parent Heating & Cooling
“I have been supported by Parent Heating & Cooling for many years now and service and response to resolve issue are outstanding.”
Oria Heating and Cooling
“I received just one quote for this work prior to contacting Oria but I must say that I was left with the feel that Oria was competitive in pricing their work.”
E.N. Blue Heating & Air Conditioning
“Got the service and maintenance plan, and when something broke, they came right back with the parts and fixed pronto.”
Furnace Factory Direct
“I recently had both furance and AC unit installed by this company and I couldn't be happier with the service and results.”
Ottawa Home Services
“Thank you for very quickly replacing the AC in our rental property!”
NKR Hvac
“He took his time and double checked everything to make sure there were no issues.”
True North Mechanical
“Very happy with the experience and will continue to use True North Mechanical for any future business.”
Why these companies made our list
What customers say about companies in and near Kanata
- “Mark was responsive, kind, helpful, and accommodated our needs on short notice.” — customer of Capital Home Comfort Systems
- “Jeremy went above and beyond to ensure our heat pump repaired promptly.” — customer of Comfort Hub Heating & Cooling
- “Excellent customer service and troubleshooting skills. Ensured he found the root-cause of the furnace not working , and also recommended areas of improvement.” — customer of Oria Heating and Cooling
- “Excellent company to deal with. Impeccable workmanship and quality service throughout the whole install of my new furnace and air conditioning unit!” — customer of Comfort Hub Heating & Cooling
- “The service provided by Mark, Kevin, and Isaiah was exceptional on each visit.” — customer of Capital Home Comfort Systems
Excerpts from public reviews of the companies listed on this page.
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