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My Service Company
- Plumbing
- Hot Water
- Price
“He found the leak that a different company was unable to find, he was extremely diligent in ensuring that each vent was cooling properly, and the final cost was extremely reasonable.”
Best HVAC Contractors in Lethbridge, AB
24 companies listed · 20 in Lethbridge · 3 open 24/7 · 4 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Expert Plumber Lethbridge
- Floor Heating
- Toilet
- Furnace
“Kevin fixed and sorted out our in-floor heating hiccup and even dropped some genius suggestions that saved the day and fixed our water quality problem!”
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Charlton & Hill Home Services
- Informative
- Efficient
- Questions
“From coming in with nooty socks while they put down floor Matt's for walking around the house, vacuuming up any potential mess they left behind and making sure the install looked and works immaculate.”
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Energy Smart Canada Ltd.
- Business
- Team
- Product
“I also liked dealing with someone local who isn't based out of Calgary, as I feel they have more ownership of their work and quality, as they are based in our community here!”
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K B Heating
- Efficient
- Technician
- Hot Water Tank
“The service was excellent and we feel that Devon went above and beyond to make sure we were informed about our concern and what our options were available to us.”
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Breathe Easy Heating and Air Conditioning
- Cleaning
- Price
- Duct
“My overall experience with Breathe Easy was great from booking with Katie who was very kind and knowledgeable to Corey and Brooke doing a fabulous job cleaning the ducts !!”
The 24 companies listed for Lethbridge, 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: Lethbridge, AB
20 of the 24 companies we list are based in Lethbridge; the other 4 serve Lethbridge from Coaldale (16 km), Picture Butte (21 km) and Cardston (65 km). The companies on this page are rated from 4.4 to 5.0 across 1,653 reviews; 7 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%), quality (81%) and responsiveness (75%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 3 are open around the clock; 4 are open on Saturdays and 3 on Sundays. 2 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 1996. 7 offer emergency call-outs; 4 offer financing or payment plans; 4 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 22 of the companies on this page; 20 publish a contact page; 13 list a public email and 1 takes bookings online. 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 Lethbridge answer no-heat calls at night?
Round the clock cover is stated in 3 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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Kodiak Heating Air Conditioning & Electrical
- Cleaned
- Price
- Plumbing
“We at Design Lighting had a burst pipe afterhours caused by the freezing temperatures and we were very impressed that Ethan returned our call so quickly AND showed up promptly.”
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Comfort Heat & AC Ltd
- Price
- Furnace
- Home
“A friend recommended Comfort Heat and AC and when I came to them for help Landon was very nice and helpful and had no problem getting our furnace up and running in no time.”
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4 Seasons Home Comfort
- Ducts
- Cleaned
- Installer
“I had Jeremy in to check it out the first go around then I got Jeremy back to do a complete cleaning of the outside unit and fixed everything the other guy messed up.”
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Whisper Heating and Cooling
- Response Time
- Diagnosed
- Furnace
“I and others in my family have used Rob for nearly 10 years for all our heating and air-conditioning needs and I am totally impressed with the service and his integrity.”
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Empire Air Ltd
- Furnace
- Price
- Home
“Dave and Tyler recently installed our air conditioning and it is wonderful, Tyler and Dave are hard working, knowledgeable and both extremely courteous and professional.”
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Bridge Air Systems
- Call
- Furnace
“I am a property manager in Lethbridge, AB and they perform regular maintenance for me, and it is a relief to know that they can be available for any urgencies that may pop up.”
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Peeks Heating & Air Conditioning Ltd.
- Fair
- Price
- Furnace
“They're reliable and responsive and do a good job.”
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ABC Heating and Cooling
- Furnace
“Marlin is easy to deal with good place”
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Thermax Refrigeration & Heating Ltd.
- Furnace
“In addition, as we replaced the house's original hot water tanks with a tank-less system, installed a furnace in our garage and upgraded the original furnace in our house we have used Thermax.”
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Adaptive Heating & Air Conditioning Ltd
- Furnace
“A different company advised they unfortunately couldn't get the part needed to get the unit operational for four days, and Ken was able to obtain the part and complete the repair within hours of our call!”
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Thermo King Lethbridge
“Friendly”
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Bosch Mechanical
“Great company to deal with.”
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Gratton Mechanical Ltd
- Price
- Communication
“I had sent an email during the seasonal holiday and the second day they returned work, Jeremy called and set up a time to come and try check things out.”
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SRT Refrigeration & Mechanical LTD
“Very reliable, knowledgeable and very good workmanship.”
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J O Mechanical
- Price
- Job
- AC
“He is our only call when we need any plumbing, gas or hvac work done, I don't even bother with getting multiple quotes ever because I know that Josh always offers great value and quality.”
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Aerify
- Furnace
- Ducts
- Job
“I was pleasantly surprised when I went to the furnace room and saw Tyler had even cleaned the exterior of our unit, as well as put up a label with next service date recommendation (something I forgot to ask).”
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Tak's Plumbing & Heating
“They came, last minute, on a Saturday and no extra charge.”
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Schaffer Plumbing & Heating Ltd.
“Met the owner, great guy!”
HVAC, Heating & AC Services in Lethbridge, AB Cost Estimates
Minimum cost
$2471
Maximum cost
$14806
National Average
$7708
Avg Per Hour Rates
$206
$5291
$10217
Average price range is based on 549 cost profiles
Why these companies made our list
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