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HVAC Contractors in Sarnia

7 HVAC contractors in Sarnia with multi-platform trust scores.

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Who is the best HVAC contractor in Sarnia, Ontario?

The highest-scoring HVAC contractors in Sarnia on ProScore are MN Mechanical (78/100), Superior HVAC Service, Heating & Air Conditioning (69/100) and W J Barnes (67/100). ProScore has scored 7 HVAC contractors in Sarnia across 10+ data sources and 20+ trust signals. 1 of the 7 are Trusted-tier (70+) or higher.

Star ratings alone do not separate them: 4 of the 7 average 4.5 stars or higher on Google, but only 1 reaches Trusted (70+). ProScore also weighs government licensing including TSSA, WSIB coverage, ratings on other platforms and what customers say in their reviews.

Trust scores last computed October 13, 2026.

Which HVAC contractors in Sarnia score highest?

All 7 scored hvac contractors in Sarnia, ranked by ProScore.

ProScore scores 7 hvac contractors in Sarnia, and their average score is 64 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 3 are registered with WSIB and 5 hold a TSSA licence. 7 have Google reviews on file — 316 reviews in total.

1
78
Sarnia|★5.0
WSIB VerifiedTSSA Licensed77 reviews

MN Mechanical ranks 1st of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 78 out of 100 (Trusted tier). Its score draws on 77 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.

2
69
Sarnia|★4.9
61 reviews

Superior HVAC Service operates seven days a week from Sarnia and handles furnace and air conditioning repairs on site, with online estimates available.

Superior HVAC Service, Heating & Air Conditioning ranks 2nd of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 69 out of 100 (Good tier). Its score draws on 61 Google reviews averaging 4.9 out of 5.

3
67
Sarnia|★4.3
WSIB VerifiedTSSA Licensed55 reviews

W J Barnes handles HVAC work in Sarnia, completing installations in under 24 hours with technicians who diagnose problems clearly and warranty their work.

W J Barnes ranks 3rd of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 67 out of 100 (Good tier). Its score draws on 55 Google reviews averaging 4.3 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.

4
66
Sarnia|★4.6
TSSA Licensed38 reviews

Sarnia Heating is an HVAC contractor based in Sarnia, Ontario, operating on a service-call basis.

The ProScore for Sarnia Heating draws on 38 Google reviews averaging 4.6 out of 5. Public records show Sarnia Heating is licensed by the TSSA.

5
64
Sarnia|★4.6
WSIB VerifiedTSSA Licensed20 reviews

Marks Comfort Tech provides HVAC services in Sarnia and is open weekdays, with wheelchair-accessible parking available.

The ProScore for Marks Comfort Tech draws on 20 Google reviews averaging 4.6 out of 5. Public records show Marks Comfort Tech is registered with WSIB and licensed by the TSSA.

6
52
AbramBasic
Sarnia|★4.1
48 reviews

Abram is an HVAC contractor based in Sarnia that works on-site and maintains weekday hours, with wheelchair-accessible parking available.

The ProScore for Abram draws on 48 Google reviews averaging 4.1 out of 5.

7
49
Sarnia|★4.0
TSSA Licensed17 reviews

Kel-Gor Limited provides HVAC services in Sarnia, Ontario, and has a wheelchair-accessible entrance and parking.

The ProScore for Kel-Gor Limited draws on 17 Google reviews averaging 4.0 out of 5. Public records show Kel-Gor Limited is licensed by the TSSA.

How is an HVAC contractor's ProScore calculated?

Every HVAC contractor in Sarnia is evaluated across four pillars: Reputation (ratings across multiple platforms), Verification (government licensing including TSSA and WSIB), Transparency (online presence and profile completeness), and Sentiment (AI analysis of customer reviews). The result is a ProScore from 0 to 100.

Read the full methodology →

Frequently Asked Questions

Who is the best HVAC contractor in Sarnia?

MN Mechanical has the highest ProScore (78/100) among 7 HVAC contractors in Sarnia, Ontario. Rankings are based on ProScore, which evaluates ratings, government licensing (TSSA), WSIB coverage, and AI-analyzed customer sentiment.

How do I find a trustworthy HVAC contractor in Sarnia?

Look for hvac contractors with verified TSSA licensing, active WSIB coverage, and consistent ratings across multiple platforms. ProScore aggregates these signals into a single score from 0-100. In Sarnia, 0 hvac contractors hold Elite-tier ProScores (81+), 1 is Trusted-tier (70+), and 4 are Good-tier (54+).

Are hvac contractors in Sarnia licensed?

Gas and fuel work in Ontario must be done by a TSSA-registered contractor using certified technicians. Ask for the registration number and check it with the TSSA. Of the top 7 hvac contractors in Sarnia by ProScore, 5 hold a TSSA registration according to ProScore’s records. Of the top 7 hvac contractors in Sarnia by ProScore, 3 are registered with WSIB according to ProScore’s records.

How many hvac contractors has ProScore scored in Sarnia?

ProScore has scored 7 hvac contractors in Sarnia, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed October 13, 2026.

What's the ProScore distribution among hvac contractors in Sarnia?

Among 7 hvac contractors in Sarnia, Ontario: 0 are Elite-tier (81+), 1 is Trusted-tier (70+), and 4 are Good-tier (54+). Together they average a ProScore of 64/100, with MN Mechanical leading at 78/100.

HVAC Contractors near Sarnia

The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.