The Gold Standard Directory

The best hvac contractors in Oakville, ON

A

#1GOLD STANDARD PICK

A1 Air Conditioning & Heating

HVAC contractors, Oakville, ON

4.9 stars1,766 reviews

P

#2

Precision HVAC Mech Inc

HVAC contractors, Oakville, ON

4.9 stars442 reviews

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#3

Superior HVAC Service, Heating & Air Conditioning

HVAC contractors, Oakville, ON

4.9 stars30 reviews

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#4

Reliance Home Comfort

HVAC contractors, Oakville, ON

4.8 stars30,411 reviews

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#5

AtlasCare Heating & Cooling

HVAC contractors, Oakville, ON

4.8 stars7,313 reviews

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#6

Empower Home Comfort

HVAC contractors, Oakville, ON

4.8 stars629 reviews

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#7

Appleby Systems Heating & Cooling

HVAC contractors, Oakville, ON

4.8 stars271 reviews

How the order is set: in each area and niche, the highest Google rating among businesses with at least 25 Google reviews comes first, a tie goes to more reviews, and businesses with fewer reviews follow. The first card is the Gold Standard Pick. Ratings, reviews and contact details are from our own scan of the area. Nobody can pay for a place. Updated November 15, 2026.

The Gold Standard Directory by The Algo Vision.