HVAC Contractors in Guelph
20 HVAC contractors in Guelph with multi-platform trust scores.
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Who is the best HVAC contractor in Guelph, Ontario?
The most trusted HVAC contractor in Guelph, Ontario is Aido Climate Solutions Inc., with a ProScore of 76/100. ProScore has scored 20 HVAC contractors in Guelph across 10+ data sources and 20+ trust signals. 4 of the 20 are Trusted-tier (70+) or higher.
Trust scores last computed between September 2, 2026 and September 19, 2026.
Which HVAC contractors in Guelph score highest?
All 20 scored hvac contractors in Guelph, ranked by ProScore.
ProScore scores 20 hvac contractors in Guelph, and their average score is 56 out of 100. 4 of them reach the Trusted threshold of 70 or higher. 6 are registered with WSIB and 5 hold a TSSA licence. 20 have Google reviews on file — 4,349 reviews in total, and 2 carry a Better Business Bureau rating.
Aido Climate Solutions Inc. ranks 1st of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 76 out of 100 (Trusted tier). Its score draws on 533 Google reviews averaging 4.9 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.
Synergy Heating And Cooling Inc ranks 2nd of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 74 out of 100 (Trusted tier). Its score draws on 53 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.
Guelph ClimateCare ranks 3rd of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 165 Google reviews averaging 4.7 out of 5. Public records show it is registered with WSIB and licensed by the TSSA. Its ProScore has fallen since the previous recompute.
Oosterveld Heating & Air Conditioning ranks 4th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 71 out of 100 (Trusted tier). Its score draws on 1,576 Google reviews averaging 4.8 out of 5 and 73 reviews on other major review platforms. Public records show it is registered with WSIB.
Assurance Heating and Cooling ranks 5th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 67 out of 100 (Good tier). Its score draws on 87 Google reviews averaging 4.9 out of 5. Public records show it is licensed by the TSSA.
B.A.P Heating & Cooling Services Ltd ranks 6th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 66 out of 100 (Good tier). Its score draws on 418 Google reviews averaging 4.8 out of 5, 23 reviews on other major review platforms and a Better Business Bureau rating of A+.
Aire One Heating & Cooling Guelph ranks 7th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 63 out of 100 (Good tier). Its score draws on 1,260 Google reviews averaging 4.9 out of 5.
Superior HVAC Service, Heating & Air Conditioning ranks 8th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 62 out of 100 (Good tier). Its score draws on 87 Google reviews averaging 5.0 out of 5.
Essential Air Heating and Cooling Inc ranks 9th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 61 out of 100 (Good tier). Its score draws on 47 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
National Air Balance Inc. ranks 10th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 58 out of 100 (Good tier). Its score draws on 30 Google reviews averaging 5.0 out of 5.
Frozen Flame Canada ranks 11th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 54 out of 100 (Good tier). Its score draws on 8 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
519 HVAC and Mechanical Services Inc. ranks 12th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 51 out of 100 (Basic tier). Its score draws on 7 Google reviews averaging 5.0 out of 5.
The HVAC Service ranks 13th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 50 out of 100 (Basic tier). Its score draws on 14 Google reviews averaging 5.0 out of 5.
SYNERGY HEATING AND COOLING ranks 14th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 46 out of 100 (Basic tier). Its score draws on 3 Google reviews averaging 5.0 out of 5. Public records show it is registered with WSIB and licensed by the TSSA.
Murray Young Enterprises Inc ranks 15th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 43 out of 100 (Basic tier). Its score draws on 10 Google reviews averaging 4.3 out of 5. Public records show it is registered with WSIB. Its ProScore has fallen since the previous recompute.
Precision Air Solutions Inc. ranks 16th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 43 out of 100 (Basic tier). Its score draws on 1 Google review averaging 5.0 out of 5.
Hall's Heat & Cool Inc. ranks 17th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 42 Google reviews averaging 3.4 out of 5. Its ProScore has risen since the previous recompute.
WSA HVACR Inc ranks 18th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 42 out of 100 (Basic tier). Its score draws on 1 Google review averaging 4.0 out of 5.
DGH Heating & Cooling ranks 19th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 39 out of 100 (Basic tier). Its score draws on 5 Google reviews averaging 3.4 out of 5.
Ariss Duct Mechanical ranks 20th of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 37 out of 100 (Basic tier). Its score draws on 2 Google reviews averaging 5.0 out of 5. Its ProScore has risen since the previous recompute.
Of 20 hvac contractors in Guelph: 0 rated Elite (81+), 4 rated Trusted (70+), and 7 rated Good (54+).
How is an HVAC contractor's ProScore calculated?
Every HVAC contractor in Guelph 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 Guelph?
What else should I check before hiring hvac contractors in Guelph?
Frequently Asked Questions
Who is the best HVAC contractor in Guelph?
Aido Climate Solutions Inc. has the highest ProScore (76/100) among 20 hvac contractors in Guelph, 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 Guelph?
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 Guelph, 0 hvac contractors hold Elite-tier ProScores (81+), 4 are Trusted-tier (70+), and 7 are Good-tier (54+).
Are hvac contractors in Guelph 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 20 hvac contractors in Guelph by ProScore, 5 hold verified TSSA credentials and 6 carry active WSIB coverage.
How many hvac contractors has ProScore scored in Guelph?
ProScore has scored 20 hvac contractors in Guelph, Ontario. Each provider is evaluated using 10+ data sources, 20+ trust signals, and AI-analyzed customer reviews. Trust scores last computed between September 2, 2026 and September 19, 2026.
What's the ProScore distribution among hvac contractors in Guelph?
Among 20 hvac contractors in Guelph, Ontario: 0 are Elite-tier (81+), 4 are Trusted-tier (70+), and 7 are Good-tier (54+). The top 20 average a ProScore of 56/100, with Aido Climate Solutions Inc. leading at 76/100.