HVAC Installation & Repair in St. John's, NL

Compare 31 hvac installation & repair contractors near you in St. John's and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 22, 2026

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Other Businesses in This Area

Avalon HVAC Services

HVAC Specialties Inc

hvacspecialties.ca

Keep Cool Refrigeration & AC

Affordable Comfort HVAC Ltd

5.0
achvac.ca

SBG Electrical - St John's Mount Pearl Paradise NL

5.0~5 years online
sbgelectrical.comGet a Free Quote

The Wood Shed Fireplace Supply

5.04½+ years online
nlwoodshed.comGet a Free Quote

True Comfort Inc

5.0
truecomfortnl.ca

YYT Safe Dryer Vents Incorporated

5.05 years online
yytsafedryervents.com

Mr. Rooter Plumbing of St. John's

4.6
mrrooter.ca/st-johns

Hot Frost Heat Pumps

4.5
hotfrostheatpumps.ca

Bishop's Plumbing & Heating

4.3
bishopsplumbing.ca

Provincial Refrigeration Ltd

4.3

Sooley Allan Plumbing Ltd

4.2

Harvey's Oil

4.0
harveysoil.ca

Reliable Heat Pump Services Ltd.

3.89½+ years online
reliableheatpumpservices.comGet a Free Quote

Kerr Controls Ltd

3.4
kerrcontrols.ca/location/st-johns

Carmichael Engineering Ltd.

3.0
carmichael-eng.ca

Tristar Mechanical Ltd

3.0
tristarmech.ca

HVAC Installation & Repair in St. John's, NL

HVAC installation and repair in St. John's (NL) serves an Atlantic Canadian capital market: single-family homes, mid-century homes, newer construction, and commercial properties. Typical jobs include heat pump installation (cold-climate models for NL winters), oil-furnace replacement (still common in NL), gas furnace replacement, and commercial HVAC. Atlantic climate and Take Charge NL rebates drive approach.

Residential heat pump installs in St. John's run $13,000-$30,000 CAD (island premium); oil-furnace $5,000-$10,000 CAD; commercial $25,000-$150,000 CAD. Newfoundland doesn't require state-level contractor license. St. John's permits apply.

Frequently Asked Questions

Heat pump for St. John's?
Cold-climate heat pumps effective for Atlantic winters.
Oil-furnace common?
Yes — many NL homes still on oil heat.
Why are NL costs higher?
Material delivery from mainland.

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