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 most trusted HVAC contractor in Sarnia, Ontario is MN Mechanical, with a ProScore of 73/100. 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.
Trust scores last computed September 19, 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 58 out of 100. 1 of them reaches the Trusted threshold of 70 or higher. 3 are registered with WSIB and 3 hold a TSSA licence. 7 have Google reviews on file — 316 reviews in total.
MN Mechanical ranks 1st of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 73 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.
Marks Comfort Tech ranks 2nd of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 20 Google reviews averaging 4.6 out of 5. Public records show it is registered with WSIB and licensed by the TSSA. Its ProScore has fallen since the previous recompute.
Superior HVAC Service, Heating & Air Conditioning ranks 3rd of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 61 Google reviews averaging 4.9 out of 5.
W J Barnes ranks 4th of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 56 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.
Sarnia Heating ranks 5th of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 53 out of 100 (Basic tier). Its score draws on 38 Google reviews averaging 4.6 out of 5.
Kel-Gor Limited ranks 6th of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 17 Google reviews averaging 4.0 out of 5. Public records show it is licensed by the TSSA.
Abram ranks 7th of the 7 hvac contractors ProScore scores in Sarnia, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 48 Google reviews averaging 4.1 out of 5.
Of 7 hvac contractors in Sarnia: 0 rated Elite (81+), 1 rated Trusted (70+), and 3 rated Good (54+).
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 →Who are the top 3 HVAC contractors in Sarnia?
What else should I check before hiring hvac contractors in Sarnia?
Frequently Asked Questions
Who is the best HVAC contractor in Sarnia?
MN Mechanical has the highest ProScore (73/100) 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 3 are Good-tier (54+).
Are hvac contractors in Sarnia licensed?
HVAC Contractors in Ontario are required to hold TSSA licensing. ProScore verifies this against official TSSA records for every provider in our database. Of the top 7 hvac contractors in Sarnia by ProScore, 3 hold verified TSSA credentials and 3 carry active WSIB coverage.
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 September 19, 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 3 are Good-tier (54+). The top 7 average a ProScore of 58/100, with MN Mechanical leading at 73/100.