HVAC Contractors in Thunder Bay
5 HVAC contractors in Thunder Bay with multi-platform trust scores.
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Who is the best HVAC contractor in Thunder Bay, Ontario?
The most trusted HVAC contractor in Thunder Bay, Ontario is Klīmit Mechanical Ltd, with a ProScore of 64/100. ProScore has scored 5 HVAC contractors in Thunder Bay across 10+ data sources and 20+ trust signals. None of the 5 meet the Trusted-tier (70+) threshold yet.
Trust scores last computed between September 16, 2026 and September 19, 2026.
Which HVAC contractors in Thunder Bay score highest?
All 5 scored hvac contractors in Thunder Bay, ranked by ProScore.
ProScore scores 5 hvac contractors in Thunder Bay, and their average score is 52 out of 100. 3 are registered with WSIB and 2 hold a TSSA licence. 5 have Google reviews on file — 79 reviews in total.
Klīmit Mechanical Ltd ranks 1st of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 64 out of 100 (Good tier). Its score draws on 29 Google reviews averaging 4.4 out of 5. Public records show it is licensed by the TSSA.
Control HVAC & Refrigeration Ltd. ranks 2nd of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 6 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA. Its ProScore has fallen since the previous recompute.
Climatech Services ranks 3rd of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 46 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5. Public records show it is registered with WSIB.
LDR Heating & Cooling ranks 4th of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 46 out of 100 (Basic tier). Its score draws on 38 Google reviews averaging 4.9 out of 5.
Beebe Mechanical Systems Limited ranks 5th of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 41 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 3.4 out of 5. Public records show it is registered with WSIB.
How is an HVAC contractor's ProScore calculated?
Every HVAC contractor in Thunder Bay 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 Thunder Bay?
Browse all hvac contractors in Thunder Bay →What else should I check before hiring hvac contractors in Thunder Bay?
Frequently Asked Questions
Who is the best HVAC contractor in Thunder Bay?
Klīmit Mechanical Ltd has the highest ProScore (64/100) among 5 hvac contractors in Thunder Bay, 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 Thunder Bay?
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 Thunder Bay, 0 hvac contractors hold Elite-tier ProScores (81+), 0 are Trusted-tier (70+), and 2 are Good-tier (54+).
Are hvac contractors in Thunder Bay 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 5 hvac contractors in Thunder Bay by ProScore, 2 hold verified TSSA credentials and 3 carry active WSIB coverage.
How many hvac contractors has ProScore scored in Thunder Bay?
ProScore has scored 5 hvac contractors in Thunder Bay, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between September 16, 2026 and September 19, 2026.
What's the ProScore distribution among hvac contractors in Thunder Bay?
Among 5 hvac contractors in Thunder Bay, Ontario: 0 are Elite-tier (81+), 0 are Trusted-tier (70+), and 2 are Good-tier (54+). The top 5 average a ProScore of 52/100, with Klīmit Mechanical Ltd leading at 64/100.