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 highest-scoring HVAC contractors in Guelph on ProScore are Aido Climate Solutions Inc. (81/100), Synergy Heating And Cooling Inc (79/100), Assurance Heating and Cooling (76/100) and Oosterveld Heating & Air Conditioning (76/100). ProScore has scored 20 HVAC contractors in Guelph across 10+ data sources and 20+ trust signals. 8 of the 20 are Trusted-tier (70+) or higher.
Star ratings alone do not separate them: 16 of the 20 average 4.5 stars or higher on Google, but only 8 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 between October 13, 2026 and October 27, 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 58 out of 100. 8 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 — 4,360 reviews in total, and 2 carry a Better Business Bureau rating. Across Ontario, 29% of the HVAC contractors ProScore has scored reach the Trusted threshold; at 40%, Guelph is above the provincial rate.
Aido Climate Solutions Inc. operates 24/7 in Guelph and handles HVAC work on site, offering online estimates and serving customers in Arabic, English, Filipino, Hindi, and Vietnamese.
Aido Climate Solutions Inc. ranks 1st of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 81 out of 100 (Elite 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 in Guelph handles HVAC repair work and operates 24/7 for emergency service.
Synergy Heating And Cooling Inc ranks 2nd of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 79 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.
Assurance Heating and Cooling responds to service calls within 20 minutes and completes most repairs the same day. Based in Guelph, the company operates 24/7 and offers online estimates.
Assurance Heating and Cooling ranks 3rd of the 20 hvac contractors ProScore scores in Guelph, holding a ProScore of 76 out of 100 (Trusted tier). Its score draws on 98 Google reviews averaging 4.9 out of 5. Public records show it is licensed by the TSSA.
Oosterveld Heating & Air Conditioning handles HVAC repairs and installations in Guelph, operating 24/7 and offering service in English, Mandarin, and Spanish.
The ProScore for Oosterveld Heating & Air Conditioning draws on 1,576 Google reviews averaging 4.8 out of 5 and 73 reviews on other major review platforms. Public records show Oosterveld Heating & Air Conditioning is registered with WSIB.
Guelph ClimateCare provides HVAC repair and installation work in Guelph, available 24/7, working on site and offering online estimates.
The ProScore for Guelph ClimateCare draws on 165 Google reviews averaging 4.7 out of 5. Public records show Guelph ClimateCare is registered with WSIB and licensed by the TSSA.
B.A.P Heating & Cooling Services Ltd operates in Guelph and handles HVAC repair and installation work around the clock, seven days a week.
The ProScore for B.A.P Heating & Cooling Services Ltd 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 is an HVAC contractor in Guelph, Ontario, available 24/7 for repair work on site.
The ProScore for Aire One Heating & Cooling Guelph draws on 1,260 Google reviews averaging 4.9 out of 5.
Superior HVAC Service, Heating & Air Conditioning operates in Guelph and handles furnace repairs and replacements, diagnostic work on heating and cooling systems, duct cleaning, and airflow balancing.
The ProScore for Superior HVAC Service, Heating & Air Conditioning draws on 87 Google reviews averaging 5.0 out of 5.
Essential Air Heating and Cooling Inc provides HVAC repair services in Guelph and is available 24/7, with online estimates offered.
The ProScore for Essential Air Heating and Cooling Inc draws on 47 Google reviews averaging 4.9 out of 5 and a Better Business Bureau rating of A+.
National Air Balance Inc. operates weekdays out of Guelph and offers wheelchair-accessible parking.
The ProScore for National Air Balance Inc. draws on 30 Google reviews averaging 5.0 out of 5.
Frozen Flame Canada handles HVAC work and operates in Guelph, Ontario, seven days a week.
The ProScore for Frozen Flame Canada draws on 8 Google reviews averaging 5.0 out of 5.
519 HVAC and Mechanical Services Inc. handles HVAC repairs and installations in Guelph, Ontario, working on-site during weekday hours.
The ProScore for 519 HVAC and Mechanical Services Inc. draws on 7 Google reviews averaging 5.0 out of 5.
The HVAC Service operates 24/7 from Guelph, providing on-site HVAC repairs with online estimates available.
The ProScore for The HVAC Service draws on 14 Google reviews averaging 5.0 out of 5.
The ProScore for SYNERGY HEATING AND COOLING draws on 3 Google reviews averaging 5.0 out of 5. Public records show SYNERGY HEATING AND COOLING is registered with WSIB and licensed by the TSSA.
Hall's Heat & Cool Inc. provides HVAC service in Guelph and is open on weekdays.
The ProScore for Hall's Heat & Cool Inc. draws on 42 Google reviews averaging 3.4 out of 5.
Murray Young Enterprises Inc provides HVAC services in Guelph, Ontario, and is open six days a week.
The ProScore for Murray Young Enterprises Inc draws on 10 Google reviews averaging 4.3 out of 5. Public records show Murray Young Enterprises Inc is registered with WSIB.
The ProScore for Precision Air Solutions Inc. draws on 1 Google review averaging 5.0 out of 5.
WSA HVACR Inc is an HVAC contractor operating in Guelph, Ontario, available for work during weekdays.
The ProScore for WSA HVACR Inc draws on 1 Google review averaging 4.0 out of 5.
The ProScore for DGH Heating & Cooling draws on 5 Google reviews averaging 3.4 out of 5.
The ProScore for Ariss Duct Mechanical draws on 2 Google reviews averaging 5.0 out of 5.
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 (81/100) 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, 1 hvac contractor holds Elite-tier ProScores (81+), 7 are Trusted-tier (70+), and 3 are Good-tier (54+).
Are hvac contractors in Guelph 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 20 hvac contractors in Guelph by ProScore, 5 hold a TSSA registration according to ProScore’s records. Of the top 20 hvac contractors in Guelph by ProScore, 6 are registered with WSIB according to ProScore’s records.
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 October 13, 2026 and October 27, 2026.
What's the ProScore distribution among hvac contractors in Guelph?
Among 20 hvac contractors in Guelph, Ontario: 1 is Elite-tier (81+), 7 are Trusted-tier (70+), and 3 are Good-tier (54+). Together they average a ProScore of 58/100, with Aido Climate Solutions Inc. leading at 81/100.
How do HVAC contractors in Guelph compare with Ontario as a whole?
40% of the HVAC contractors ProScore has scored in Guelph reach the Trusted tier (70+), against 29% across Ontario as a whole, so Guelph is above the provincial rate.
HVAC Contractors near Guelph
The nearest Ontario cities with a ProScore page for this trade — a pro based nearby may cover your area.
Other trades in Guelph
Other trades with a ProScore page in Guelph, with the number of scored pros in each.