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 Google rating, review volume and recent-review sentiment

Pro Star HVAC

Windsor, ON

★★★★★ 5.0 (183)

Praised for Professional & courteous · Punctual & responsive · Reliable

Union Air Heating and Cooling

Windsor, ON

★★★★★ 5.0 (85)

Praised for Reliable · Punctual & responsive · Professional & courteous

DWD HVAC and More

Windsor, ON

★★★★★ 5.0 (64)

Praised for Quality workmanship · Reliable · Professional & courteous

Absolute Comfort Control Services

Windsor, ON

★★★★½ 4.9 (1,583)

Praised for Professional & courteous · Knowledgeable · Quality workmanship

LAMANTIA Heating & Cooling Inc

Windsor, ON

★★★★½ 4.9 (99)

Praised for Reliable · Professional & courteous · Punctual & responsive

Langemann Heating & Cooling

Windsor, ON

★★★★½ 4.9 (237)

Praised for Professional & courteous · Punctual & responsive · Quality workmanship

AD Trades Mechanical Inc( heating & Cooling)

Windsor, ON

★★★★★ 5.0 (220)

Praised for Reliable · Punctual & responsive · Professional & courteous

Action Air heating and air conditioning Inc.

Windsor, ON

★★★★½ 4.9 (49)

Praised for Reliable · Punctual & responsive · Professional & courteous

Reliance Home Comfort

Windsor, ON

★★★★½ 4.8 (9,582)

Praised for Professional & courteous · Punctual & responsive · Reliable

Harris Heating & Air Conditioning Service Inc

Windsor, ON

★★★★½ 4.9 (408)

Praised for Professional & courteous · Reliable · Punctual & responsive

Handy Bros. HVAC Windsor (AC and Furnace Repair)

Windsor, ON

★★★★½ 4.9 (564)

Praised for Professional & courteous · Quality workmanship · Clean & tidy

South West Mechanical Services

Windsor, ON

★★★★★ 5.0 (2)

Guaranteed Comfort Heating & Cooling

Windsor, ON

★★★★½ 4.9 (173)

Praised for Professional & courteous · Reliable · Knowledgeable

CK Mechanical Heating and Cooling Inc.

Windsor, ON

★★★★½ 4.8 (914)

Praised for Professional & courteous · Punctual & responsive · Quality workmanship

Affordable Heating & Cooling

Windsor, ON

★★★★½ 4.7 (93)

Praised for Reliable · Knowledgeable · Professional & courteous

Bryant Heating & Cooling Service Experts

Windsor, ON

★★★★½ 4.8 (1,328)

Praised for Professional & courteous · Quality workmanship · Knowledgeable

Superior HVAC Service, Heating & Air Conditioning

Windsor, ON

★★★★½ 4.7 (13)

Praised for Punctual & responsive · Knowledgeable · Reliable

Fahrhall Home Comfort Specialists

Windsor, ON

★★★★½ 4.7 (408)

Praised for Professional & courteous · Knowledgeable · Reliable

Encore Mechanical & Building Services Inc.

Windsor, ON

★★★★½ 4.6 (95)

Praised for Punctual & responsive · Professional & courteous · Reliable

Weir Brothers Heating-Cooling

Windsor, ON

★★★★☆ 4.4 (34)

Praised for Reliable · Punctual & responsive · Professional & courteous

G & J Heating & Cooling

Windsor, ON

★★★½☆ 3.8 (38)

Praised for Punctual & responsive · Reliable · Professional & courteous

Urban Heating & Cooling

Windsor, ON

★★★★☆ 4.0 (32)

Praised for Professional & courteous · Reliable · Quality workmanship

Cardinal Services Group

Windsor, ON

★★★½☆ 3.7 (21)

Praised for Professional & courteous · Knowledgeable · Honest & transparent

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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.