Find HVAC contractors across Ontario
Find heating and cooling contractors across Ontario. Browse 1,765 heating and cooling businesses across 42 Ontario cities. Choose your city to get started.
Browse by city
- Ottawa 76
- Brampton 75
- Mississauga 72
- Vaughan 71
- Markham 70
- Richmond Hill 66
- Cambridge 63
- Newmarket 63
- Barrie 60
- Oakville 58
- Hamilton 57
- Oshawa 56
- Windsor 56
- London 55
- Peterborough 54
- Brantford 52
- Burlington 52
- Kitchener 49
- Sudbury 48
- Milton 47
- Kingston 45
- Guelph 44
- Bradford 40
- Muskoka 40
- St Catharines 39
- Aurora 38
- Ajax 36
- Pickering 35
- Whitby 29
- Orillia 25
- Niagara Falls 23
- Lindsay 21
- Belleville 19
- North Bay 18
- Thunder Bay 18
- Welland 18
- Chatham 17
- Sarnia 15
- Bowmanville 13
- Cobourg 12
- Sault Ste Marie 10
- Woodstock 10
Frequently asked questions
- How do I find an HVAC contractor in my Ontario city?
- Pick your city from the list below to see heating and cooling contractors serving that area, along with their phone number and website where available.
- Is HVAC work in Ontario licensed?
- Yes. Gas and fuel-burning appliance work in Ontario must be done by a TSSA-authorized fuels contractor with a certified technician. Always confirm a contractor's TSSA authorization before hiring.
- How much does HVAC work cost in Ontario?
- A service or repair call commonly runs a few hundred dollars, while a full furnace or air-conditioner replacement typically ranges from several thousand to over ten thousand dollars depending on the equipment and home.