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Infiniti Home Comfort
- Products
- Furnace
- Competitive
“As well, thank you to Sam and his very friendly and helpful team for making the installation appear so easy although I know that they worked hard for the entire day!”
Best HVAC Contractors in Whitby, ON
24 companies listed · 12 in Whitby · 12 open 24/7 · 17 open weekends · 23 rated 4.5+
Data verified October 21, 2026
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Plumbing & Heating Heroes
- The Future
- Camilo
- Toilet
“For months I avoided having plumbing repairs done as my issues felt overwhelming with a leak from the upper bathroom shower down onto the kitchen ceiling.”
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Aire One East
- Unit
- Furnace
- Hot Water
“I was impressed with the install crew - they took great care with a lot of the details (quality of insulation, positioning of lines, etc) to make the installation look very professional.”
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Propel Heating and Cooling Inc.
- Cost
- Furnace
- Gas Stove
“I ended up replacing the humidifier with a newer model and I'm now able to heat my house comfortabley a couple degrees cooler than usual due to the better humidity.”
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Limcan Certified Heating and Air Conditioning
- Window
- Job
- Duct Cleaning
“Stefanie, Steve, Carter, Mitch, Neil, Jon, Geoffrey, Miguel, Eric, Bryan, Marcus, and Rob are all the people that I want to acknowledge in my experiences.”
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Lazzaro Gas Hvac
- Home
- Furnace
- Hot Water Tank
“Have used this service for a few years now for both my AC and Heat when something goes wrong, and always is dependable and gives great service(and advice as well!”
The 24 companies listed for Whitby, 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: Whitby, ON
12 of the 24 companies we list are based in Whitby; the other 12 serve Whitby from towns including Scarborough (25 km), Bowmanville (21 km) and Pickering (13 km). The companies on this page are rated from 4.4 to 5.0 across 8,161 reviews; 20 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (79%) and quality (77%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 12 are open around the clock; 17 are open on Saturdays and 14 on Sundays. The services the companies on this page list most often on their websites are heat pumps (3), air conditioning (2), backwater valves (2), furnaces (2) and hvac (2). 6 show a licence on their websites. Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 15 offer emergency call-outs; 9 offer financing or payment plans; 11 give free estimates; 3 are family- or locally-owned and 10 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.
Which companies listed for Whitby answer no-heat calls at night?
Round the clock cover is stated in 12 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.
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Taunton Trades Ltd
- Maintenance
- Work
- Gas
“Efficient responses, thorough clarification on the issues and the HVAC requirements needed to solve the problem and a pleasant and respectful manner when working in our home.”
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Natural Choice
- Morning
- Furnace
- Products
“This experience was identical to the one 6 years ago where James was friendly, easily accessible to answer any questions, and took the time to give advice or suggestions as needed”
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Doug Scott Residential Heating
- Furnace
- Quote
- Price
“Though professional they said it would cost about $1,000 to replace a motor that costs about $250-$300 and the part wouldn't be available for a few days during one of the coldest weeks this winter, though they had no problem to get a whole new furnac...”
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South Service Heating & Air Conditioning Inc.
“When I agreed for the repairs to be done Mike said he was looking at 3 days to mobilize ( he came on the Thursday afternoon) but after feeling the conditions in the house he said he would make arrangements to have it done at the earliest possible tim...”
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WHC Heating and Cooling
- Pool Heater
- Bbq
- Gas
“Was referred to WHC by my pool company — needed to upgrade my 3/4" gas line from the meter to the pool to accommodate a new pool heater with numerous shut offs and quick connects for my bbq, fire table, etc.”
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The Comfort Shoppe
- Home
- Furnace
- Gas
“We've dealt with several service people and contractors since moving, and we can say that the Comfort Shoppe is head and shoulders above anyone we've dealt with as far as customer service goes.”
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Mersey Heating and Air Conditioning
- Window
- Humidifier
- Asset
“I like that they don't contract out and have their own staff to do the installs, i think their installation service --especially the experienced guys like Berlin and Nick are becoming hard to find in any type of contractor--super professional and th...”
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Climate Experts Heating & Cooling Inc.
- Home
- Furnace
- Water Heater
“My air conditioner stopped working properly so I called climate experts and I spoke to a very nice lady and she advised me Evan would be at my house between 12 noon and 2 pm he was at my house just after 12 and got right to work Evan was very pleasan...”
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Air Management Group Inc.
- Sales
- Humidifier
- Government
“As we completed paperwork required to achieve the relevant rebates, we had many questions and Fernando was always readily available to advise, suggest, and educate us on what needed to be done to ensure everything was completed accurately and success...”
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Air Flex Heating and Cooling Ltd
- Home
- Furnace
- Job
“After being told that the compressor on my AC unit was shot by the company that we had been using and trusted - I didn't feel comfortable with that assessment.”
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Rodman's Heating & Air Conditioning
- Cleaning
- Furnace
- Job
“I had used them a few years ago to replace my furnace and the service, dedication and professionalism we received made it a no-brainer to also use them for our hot water tank.”
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Tranquility Home Comfort
- Hot Water Tank
- Job
- Gas
“We were so satisfied with their courtesy, knowledge and professionalism, that we hired them for additional upgrades that we had planned on our furnace and fireplace, as well as our annual furnace/AC maintenance going forward.”
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Total Home Comfort Heating & Air Conditioning
- Tech
- Furnace
- Job
“They offered an immense savings to replace my furnace, and were efficient in the removal, and disposal of the old furnace and installation of the new furnace.”
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Solidcare Home Improvements
- Job
- Attic
- Tankless Water Heater
“We called them on Monday, Eddie came Tuesday and discussed on products and services, we decided on Furnace replacement and install of new heat pump replacing the existing AC unit but was still deciding on replacing tank water heater with tankless.”
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LFZ Heating & Cooling
- Expertise
- Price
- Couple
“Our furnace died just a few days before Christmas, I contacted LFZ Heating & Cooling for a new furnace and immediately felt comfortable dealing with them, LFZ was very quick to respond and provided me with an excellent quote and was available to do t...”
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Advantage Airtech Climatecare
- Window
- Questions
- Season
“Their installation team responded quickly and were able to remove the old unit, revise the transition ducting, install a new smart thermostat (in a new location), test and commission the new unit all one morning.”
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Red Seal Mechanical Services
- Thermostat
- Furnace
- Ethic
“I've used Red Seal Mechanical multiple times, from resolving urgent issues with my furnace / AC to trouble shooting and resolving issues with my pool heater and installation of the proper materials to keep my equipment healthy and operational.”
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Metropolitan Heating & AC Ltd
- Water Heater
- Furnace
- Patient
“This year I was having an issue that I thought was with my Thermostat - but they were able to assess and correct a setting within the furnace - all as part of the annual maintenance - so, well worth it.”
HVAC, Heating & AC Services in Whitby, ON Cost Estimates
Minimum cost
$2479
Maximum cost
$14857
National Average
$7735
Avg Per Hour Rates
$206
$5309
$10252
Fair price range is based on 541 cost profiles
Why these companies made our list
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