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Dh&c Mechanical
- Prices
- Furnace
- Quote
“From the beginning in the decision making process when I was deciding what type of furnace and air conditioning I would chose they did a great job explaining the benefits to each one.”
Best HVAC Contractors in Leamington, ON
24 companies listed · 5 in Leamington · 7 open 24/7 · 11 open weekends · 21 rated 4.5+
Data verified October 18, 2026
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Grossi Plumbing & Heating
- Technician
- Price
“We use Grossi for all of our plumbing needs they have been instrumental in many major house projects, and have always been quick and efficient in any of our plumbing emergencies.”
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Policella Plumbing
- Book
- Call
“Although he was a little late from the appointed time, with the service he gave us I can understand why, HE CARES ABOUT WHAT HE DOES AND WANTS TO BE EFFICIENT.”
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Harder's Heating & Cooling Inc
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Michaels Heating and Cooling
“Extremely knowledgeable and the best customer service I experienced when it comes to HVAC service.”
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Murdoch Heating & Cooling
- Furnace
- Price
“Additionally, John identified that the electrical wire accompanying the unit (Which was installed by a certified electrician) was not compliant with Canadian regulations”
The 24 companies listed for Leamington, 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: Leamington, ON
5 of the 24 companies we list are based in Leamington; the other 19 serve Leamington from towns including Windsor (42 km), Tilbury (24 km) and Chatham (54 km). The companies on this page are rated from 3.9 to 5.0 across 5,257 reviews; 16 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 (93%), quality (86%) and responsiveness (84%). 7 are open around the clock; 11 are open on Saturdays and 8 on Sundays. The services the companies on this page list most often on their websites are water heaters (4), heat pumps (3), air conditioners (2), heating (2) and indoor air quality (2). 5 show a licence on their websites. Domain records put 12 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 12 offer emergency call-outs; 7 offer financing or payment plans; 5 give free estimates; 5 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.
Do any heating firms listed for Leamington work on Saturdays or Sundays?
Saturday or Sunday hours show up for 11 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.
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Comber Plumbing
- Charge
- Call
- Fair
“Ron, his crew, as well as the office staff at Comber Plumbing and Heating have always looked after our plumbing, heating and cooling needs, both at home and at our Comber Museum.”
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County Cooling and Heating
- Honest
- Temperature
“Our AC quit in the middle of the night, of course it was in the middle of a heat warning, not to mention the night before my in laws were flying in from South America to visit too.”
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Fresh Start Solutions
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Home Comfort
“Great work”
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Absolute Comfort Control Services
- Company
- Dryer
- Hvac
“My ac unit went down Wednesday night and by Friday morning they already had a tech out to diagnose my old unit, a salesman out to go over my options and an install team out by Friday morning to install.”
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Bubby's Plumbing
- The Future
- Camera
- Sump Pump
“Matt did a great job at helping fix our plumbing issues in a very timely manner and coming out on a sunday to help us in need, with a great attitude, Will recommend to many others in the future.”
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Affordable Heating & Cooling
- Furnace
- Quote
- Clean
“The team at Affordable Heating and Cooling restored my faith that there are still companies that exist that actually try to help people out during stressful equipment failures at a very fair price.”
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Syles Mechanical Services
- Call
- Electrician
- Grant
“Thank you to Doug - the sales manager, for putting it all together and the service coordinator, Nada, who is the first to receive client messages and has to get the right people knowing what is going on.”
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Bryant Heating & Cooling Service Experts
- Sales
- Windsor
- Thermostat
“Then did a walk-through with the new furnace and air conditioner, Explaining also the new filter and the service that will be provided in the future with my new system by Bryant.”
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Guaranteed Comfort Heating and Cooling
- Sales
- Work
- Heat Pump
“Had Stephen Fillion come out and give me a quote on a furnace and heat pump A/C I wanted the furnace replaced on the floor instead of in the crawlspace and he said everything could be done.”
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Harris Heating & Air Conditioning Services
- Questions
- Work
- Polite
“My fiancee and I purchased the spring/fall maintenance package to ensure our HVAC systems were being checked regularly and have had a very positive experience.”
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Langemann Heating & Cooling
- Priced
- Dryer Vent
- Efficient
“From start to finish we were pleased with the ongoing communication, conjoint planning and decision making, placement of units, careful work, and thoughtful consideration for our century home during installation..”
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Dave Heating Cooling
- Furnace
- Punctuality
- Expertise
“After an exhaustive search for a reliable HVAC service provider, I decided to go with Dave Heating Cooling, swayed by the positive buzz they've garnered in our community.”
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Postma Heating and Cooling Inc.
- Water Heater
- 2024
- Generator
“Just had Casey come to my home for a problem I was having regarding my kitchen sink, he was very knowledgeable and very pleasant, would highly recommend him and Postma for any services you might need!!”
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Gillanders Heating Ltd.
- Cost
- Communication
- Crew
“00 of what R******* Wanted as Our Older Gas Furnace Was Still Fine for Several More Years Operation and Only Needed One Major Part and a Thorough Inspection and Blower Assembly Cleaning.”
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Windsor Appliance Repair
- Fridge
- Informative
- Job
“I had been told by another fridge repair person that I needed to order a sensor to fix my leaking problem; however, Windsor Appliance did a quick repair to a plugged hose and I was back in business within an hour.”
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DWD Hvac and More
- Price
- Range Hood
- Quotes
“I recently had the pleasure of working with Dave and his crew from DWD HVAC to install a new furnace and central air conditioning unit in my home, and I couldn't be more happier with the results.”
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Pro Trades Mechanical Inc.
- Plumbing
- Sump Pump
- Polite
“I can always count on Pro Trades to deliver on that promise, with exceptional quality and consistency regardless of who on the team you deal with, and also fast responses to emergency calls that allow me to keep my tenants and owners happy.”
HVAC, Heating & AC Services in Leamington, ON Cost Estimates
Minimum cost
$2424
Maximum cost
$14528
National Average
$7563
Avg Per Hour Rates
$202
$5191
$10025
Average price range is based on 495 cost profiles
Why these companies made our list
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