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 highest-scoring HVAC contractors in Thunder Bay on ProScore are Klīmit Mechanical Ltd (66/100), Control HVAC & Refrigeration Ltd. (63/100) and LDR Heating & Cooling (50/100). 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.
Star ratings alone do not separate them: 3 of the 5 average 4.5 stars or higher on Google, but none reach 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 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 54 out of 100. 3 are registered with WSIB and 3 hold a TSSA licence. 5 have Google reviews on file — 79 reviews in total.
Klīmit Mechanical Ltd handles HVAC installations in Thunder Bay, operating weekdays and maintaining a wheelchair-accessible washroom at the location.
Klīmit Mechanical Ltd ranks 1st of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 66 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. operates in Thunder Bay and handles HVAC repair work on site, with online estimates available on weekdays.
Control HVAC & Refrigeration Ltd. ranks 2nd of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 63 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.
LDR Heating & Cooling is an HVAC contractor based in Thunder Bay, Ontario, available 24 hours a day, seven days a week.
LDR Heating & Cooling ranks 3rd of the 5 hvac contractors ProScore scores in Thunder Bay, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 38 Google reviews averaging 4.9 out of 5.
Beebe Mechanical Systems Limited is an HVAC contractor operating 24/7 in Thunder Bay, Ontario.
The ProScore for Beebe Mechanical Systems Limited draws on 5 Google reviews averaging 3.4 out of 5. Public records show Beebe Mechanical Systems Limited is registered with WSIB and licensed by the TSSA.
Climatech Services is an HVAC contractor based in Thunder Bay, Ontario, open weekdays with wheelchair-accessible parking.
The ProScore for Climatech Services draws on 1 Google review averaging 5.0 out of 5. Public records show Climatech Services 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 (66/100) 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?
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 5 hvac contractors in Thunder Bay by ProScore, 3 hold a TSSA registration according to ProScore’s records. Of the top 5 hvac contractors in Thunder Bay by ProScore, 3 are registered with WSIB according to ProScore’s records.
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 October 13, 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+). Together they average a ProScore of 54/100, with Klīmit Mechanical Ltd leading at 66/100.
Other trades in Thunder Bay
Other trades with a ProScore page in Thunder Bay, with the number of scored pros in each.