Best HVAC contractors in Windsor, Ontario

MSARCH tracks 23 HVAC contractors in Windsor, Ontario, averaging 4.7★ on Google. Every listing below is ranked by Google rating, weighted for review volume, so the most trusted names rise to the top.

The most-reviewed HVAC contractor is Reliance Home Comfort with 9,582 Google reviews, while AD Trades Mechanical Inc( heating & Cooling) holds one of the top ratings at 5.0★.

23HVAC contractors
4.7★Avg rating
16,225Reviews

Updated July 2026 · Ranked by review-weighted Google rating

AD Trades Mechanical Inc( heating & Cooling)

Windsor, ON

★★★★★ 5.0 (220)

Pro Star HVAC

Windsor, ON

★★★★★ 5.0 (183)

Union Air Heating and Cooling

Windsor, ON

★★★★★ 5.0 (85)

DWD HVAC and More

Windsor, ON

★★★★★ 5.0 (64)

Absolute Comfort Control Services

Windsor, ON

★★★★½ 4.9 (1,583)

Handy Bros. HVAC Windsor (AC and Furnace Repair)

Windsor, ON

★★★★½ 4.9 (564)

Harris Heating & Air Conditioning Service Inc

Windsor, ON

★★★★½ 4.9 (408)

Langemann Heating & Cooling

Windsor, ON

★★★★½ 4.9 (237)

Guaranteed Comfort Heating & Cooling

Windsor, ON

★★★★½ 4.9 (173)

LAMANTIA Heating & Cooling Inc

Windsor, ON

★★★★½ 4.9 (99)

Action Air heating and air conditioning Inc.

Windsor, ON

★★★★½ 4.9 (49)

Reliance Home Comfort

Windsor, ON

★★★★½ 4.8 (9,582)

Bryant Heating & Cooling Service Experts

Windsor, ON

★★★★½ 4.8 (1,328)

CK Mechanical Heating and Cooling Inc.

Windsor, ON

★★★★½ 4.8 (914)

South West Mechanical Services

Windsor, ON

★★★★★ 5.0 (2)

Fahrhall Home Comfort Specialists

Windsor, ON

★★★★½ 4.7 (408)

Affordable Heating & Cooling

Windsor, ON

★★★★½ 4.7 (93)

Superior HVAC Service, Heating & Air Conditioning

Windsor, ON

★★★★½ 4.7 (13)

Encore Mechanical & Building Services Inc.

Windsor, ON

★★★★½ 4.6 (95)

Weir Brothers Heating-Cooling

Windsor, ON

★★★★☆ 4.4 (34)

Urban Heating & Cooling

Windsor, ON

★★★★☆ 4.0 (32)

Cardinal Services Group

Windsor, ON

★★★½☆ 3.7 (21)

G & J Heating & Cooling

Windsor, ON

★★★½☆ 3.8 (38)

Need HVAC contractor work done in Windsor?

Get free quotes from top-rated HVAC contractors in Windsor. Tell us what you need and we'll connect you with the right local pro, at no cost.

Get a free quote

HVAC contractors in nearby cities

Kingsville 5 Leamington 8 Wallaceburg 16 Chatham 16 Chatham-Kent 7 Sarnia 16

How many HVAC contractors are in Windsor?

MSARCH lists 23 HVAC contractors in Windsor, Ontario, with an average Google rating of 4.7 out of 5.

Who is the best-rated HVAC contractor in Windsor?

AD Trades Mechanical Inc( heating & Cooling) is among the highest-rated HVAC contractors in Windsor, with 5.0★ from 220 Google reviews. Compare the full ranked list above before you choose.

How much does an HVAC job cost in Windsor?

Pricing varies by job, so the best approach is to compare quotes. Shortlist two or three highly-rated HVAC contractors from the list above, confirm they are licensed and insured, and request a written estimate from each.

How are these HVAC contractors ranked?

MSARCH ranks Windsor HVAC contractors by their Google star rating, weighted by review count so a company with hundreds of reviews outranks one with only a few. All data is sourced from Google Maps and listings are not paid placements.