HVAC Contractors in Ontario
1,350 HVAC contractors in Ontario with multi-platform trust scores.
Top-rated hvac contractors in Ontario
- 1Affordable Comfort· Barrie84/100
- 2Ashton Heating & Cooling· Courtice84/100
- 3Able Air Conditioning & Heating· Kitchener83/100
- 4City Home Comfort· Toronto83/100
- 5DeMarco Mechanical Services· Scarborough80/100
- 6Donaldson Heating and Air Conditioning· London80/100
- 7Simcoe Muskoka Home Comfort· Orillia80/100
- 8Total Aire Care Inc.· Kitchener80/100
- 9AccuServ Heating and Air Conditioning· East York79/100
- 10Bison Air Inc· Vaughan79/100
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Frequently Asked Questions
How much does HVAC service cost in Ontario?
HVAC technicians in Ontario charge $100–$175 per hour; a furnace repair visit runs $150–$500 and an AC repair $150–$600. Furnace installation runs $3,500–$8,500, central AC $3,300–$7,000, and a heat pump system $4,000–$10,000.
Do HVAC contractors need to be licensed in Ontario?
Yes. HVAC contractors working with gas must be licensed by the Technical Standards and Safety Authority (TSSA). ProScore verifies TSSA licensing.
How often should I service my furnace?
Annual furnace maintenance is recommended, ideally in early fall before heating season. Regular servicing can extend equipment life and prevent carbon monoxide issues.
What is a TSSA licence?
TSSA (Technical Standards and Safety Authority) licences are required for technicians who install, service, or repair natural gas and propane equipment in Ontario.
Should I repair or replace my furnace?
Generally, if your furnace is over 15 years old and repairs exceed 50% of replacement cost, replacement is more economical. A qualified HVAC technician can advise.
From our research: Ontario contractors average a trust score of 54 of 100, and 74.7% of those rated 4.5 stars or higher fall below the Trusted bar — see the 2026 Trust Index.