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HVAC Companies in Markham, ON

Browse 94 verified hvac companies in Markham, Ontario. Compare ratings, read reviews, and get free estimates today.

94

Providers

Markham

ON

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Markham, ON

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Showing 81-94 of 94 providers for HVAC

TRI-AIR Systems

TRI-AIR Systems

391 Steelcase Rd W Units 14 & 15, Markham, ON L3R 3V9

4.3(32 reviews)

"Quick service, knowledgeable team and fair pricing"

HVAC
Hours
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Greensaving Group Inc

Greensaving Group Inc

50 West Wilmot St Unit #15, Richmond Hill, ON L4B 1M5

4.2(58 reviews)

"On time, quality workmanship and great prices."

HVAC
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Comfy Home Services

Comfy Home Services

415 Hood Rd #13, Markham, ON L3R 3X2

4.2(42 reviews)

"Excellent work very competent and friendly installers."

HVACInsulation
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Star Energy Home Comfort

Star Energy Home Comfort

75 Konrad Crescent UNIT D, Markham, ON L3R 8T8

4.1(94 reviews)

"The work was completed as promised with a reasonable price."

HVACInsulation
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Smith and Long (Head Office)

Smith and Long (Head Office)

115 Idema Rd, Markham, ON L3R 1A9

4.1(54 reviews)

"A quality team with quality work."

HVACElectrical
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High Life Heating & AC

High Life Heating & AC

8375 Woodbine Ave, Markham, ON L3R 2P4

3.8(167 reviews)

"They installed the furnace quickly and the house was heated in no time."

HVACInsulation
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Noble

Noble

640 Denison St, Markham, ON L3R 1C1

3.7(44 reviews)

"It is a legendary place whether you are plumber or DIY home maker."

PlumbingHVAC
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Wills Brothers Home service

Wills Brothers Home service

205 Clayton Dr #12, Markham, ON L3R 7P3

3.3(26 reviews)

"Our furnace install was quick and easy."

HVAC
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Airplus Heating and Cooling Inc

Airplus Heating and Cooling Inc

40 Shields Ct, Markham, ON L3R 0M5

3.1(11 reviews)
HVAC
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Five Star Air Tech

Five Star Air Tech

3575 14th Ave, Markham, ON L3R 0H6

2.3(4 reviews)
HVAC
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ABM - Facility Services

ABM - Facility Services

675 Cochrane Drive East, tower 6th floor, Markham, ON L3R 0B8

ElectricalSolarHVACLandscaping
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CARLSON MECHANICAL SERVICES LTD

CARLSON MECHANICAL SERVICES LTD

461 Alden Rd #29, Markham, ON L3R 3L4

HVAC
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Airsource Mechanical

Airsource Mechanical

145 Royal Crest Ct Unit #18, Markham, ON L3R 9Z4

HVAC
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EnerBee

EnerBee

317 Renfrew Dr Suite 102, Markham, ON L3R 9S9

HVAC
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Top Rated Contractors 2026

Markham, ON

Every contractor shown for Markham, Ontario is listed with the rating and review count from its public Google Business Profile, so you can compare local professionals on the same basis. Businesses marked as claimed have confirmed their own details, which is not the same as a licence or insurance check. Confirm licensing and insurance directly, then request at least three written estimates before you hire in Markham.

About HVAC Companies

Find qualified hvac companies in Markham. All listed providers are verified and rated by customers.

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