Reliable Home Environment
“Everyone we dealt with was very professional and very knowledgeable with their products.”
Best HVAC Contractors in Nepean, ON
24 companies listed · 23 in Nepean · 9 open 24/7 · 12 open weekends · 22 rated 4.5+
Data verified October 21, 2026
Furnace Factory Direct
“When our AC went down, he made time to come as soon as he was able—within hours—and he diagnosed an electrical problem and recommended an excellent electrician to repair the breaker first.”
NKR Hvac
“All my appliances were diligently tested, no mess was left behind (very tidy & organized), and even made sure my electric stove was levelled”
Stan's Heating and Air Conditioning
“Heat pump installation in a tricky location of our house; we had previously tried other companies who would not even think about it.”
Reid Heating and Cooling
“I recently had the pleasure of working with Home Service Group: Reid Heating and Cooling to replace a failing mini-split heat pump, and I couldn't be more satisfied with their service.”
Equal Air Heating Cooling Air Conditioning
“Equal Air fixed my furnace and hot water system and installed a gas line for my BBQ with expertise.”
The 24 companies listed for Nepean, 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: Nepean, ON
23 of the 24 companies we list are based in Nepean; the other one serves Nepean from Ottawa. The companies on this page are rated from 4.3 to 5.0 across 1,725 reviews; 8 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (92%), responsiveness (81%) and quality (77%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "efficient". 9 are open around the clock; 12 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are indoor air quality (4), air conditioning (2), cooling (2), duct cleaning (2) and heating (2). 3 show a licence on their websites. 10 have ten or more years of experience, the longest 20 years. 11 offer emergency call-outs; 3 offer financing or payment plans; 7 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; hours and prices change, so confirm the details with the company before you book.
Which companies listed for Nepean answer no-heat calls at night?
Round the clock cover is stated in 9 of the 24 listings here. On a winter night that call is worth making early, because a house left without heat can freeze pipes before morning. Expect a temporary fix and a return visit once parts are available.
Impressive Climate Control
“I needed this part in a hurry and they shipped it in a hurry.”
Home Service Group Inc.
“I had Home Service Group for the installation of both a furnace (a few years ago) and a heat pump (more recently).”
Trustable Hvac
“Fast responce time, and they where able to install a new furnace within a few hours of the old one dying out.”
Atwood-Gravel Heating & Air Conditioning Inc
“They explained everything to me and came quickly when my furnace needed maintenance.”
C I G Heating & Air Conditioning Ltd
“Kevin the owner I would trust in any circumstances and would never steer you wrong.”
K. L. Bulmer Enterprises Ltd
Hot Water Ottawa
“Right from the inital service call for our water heater until a super friendly and highly knowledgable service person came to the house.”
Airtoday.ca
“Kurt and his team (Gabriel) were responsive, attentive and provided great quality of service.”
Kanata Air Balancing Ltd
Parson Refrigeration (1985) Ltd
“I am very pleased with the job he did.”
OAR Commercial Kitchen Services
“We were VERY impressed of how quickly they can find the problem and was able to fix it for us.”
White Glove Heating and Air Conditioning
“Able to fix and service our a/c after multiple other organizations couldn't.”
O'Dell Hvac Group
Force Heating & Cooling Inc.
“We were thrilled with the service provided by Force Heating and Cooling.”
Zone-Tech Air Conditioning & Heating
Cantwell Air Inc
“Very professional team and very reliable!”
ALC Custom Sheet Metal Products
“AND MUCH cheaper than other shops in town!”
Airzone Hvac Services
“As a commercial and residential customer I have always enjoyed great service”
Why these companies made our list
What customers say about companies in Nepean
- “Furnace Factory Direct was very quick to respond to my service request and the technician on site was courteous, knowledgeable, and took the time to explain the issue at hand and the steps they would take to resolve it.” — customer of Furnace Factory Direct
- “The technicians performing the install were polite, professional and knowledgeable, answered all the questions we had and left our furnace room and home cleaner than when they arrived.” — customer of Reid Heating and Cooling
- “Steve just completed our furnace inspection/maintenance and was very professional and took the time to explain what he had done.” — customer of C I G Heating & Air Conditioning Ltd
- “They were polite, efficient, and very knowledgeable. I will be using them regularly for furnace maintenance and would highly recommend them.” — customer of Home Service Group Inc.
- “Installation of the heat pump went smoothly and the technicians were polite and very patient in explaining how everything works.” — customer of Reliable Home Environment
Excerpts from public reviews of the companies listed on this page.
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