5 Best HVAC Repair Pros in Toronto, ON

Toronto, ON residents and business owners, appreciates the value of a solid HVAC system. Your heating, ventilation, and air conditioning (HVAC) system does double duty by keeping you warm in the winter and cools in the summer. Yet, problems can arise at any time with any HVAC system.

Finding a trustworthy and knowledgeable HVAC repair contractor is essential in these situations. We’ve done the legwork for you and identified the top 5 HVAC repair experts in Toronto, ON. These experts can handle any issue that arises with your HVAC system, whether it’s an emergency or annual maintenance.

Laird & Son Heating & Air Conditioning

1. Laird & Son Heating & Air Conditioning

4.7 (Based on 649+ Reviews)

Their family-like team has been serving the Toronto area for almost seventy years. They are one of the greatest Toronto heating, furnace, and air conditioning businesses thanks to their years of experience, as well as their commitment to quality and dedication to exceeding their customers’ expectations. Laird & Son Heating & Air Conditioning is the oldest independent Lennox dealer in Canada.

  • Repair
  • Installation
  • Replacement
  • Cleaning
  • Furnace Oil Delivery
  • Air Conditioning
  • Tankless Water Heaters
  • Boilers
  • Indoor Air Quality
  • Duct Cleaning
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Reliance Heating, Air Conditioning & Plumbing

2. Reliance Heating, Air Conditioning & Plumbing

4.7 (Based on 425+ Reviews)

Homeowners in Toronto and the surrounding area resort to Reliance Home Comfort Heating, Cooling & Plumbing for all of their heating, ventilation, and air conditioning (HVAC), plumbing, water heater, and water filtration needs. Heating and cooling systems, including water heaters, air conditioners, water filters, and water softeners, can all be installed and repaired by this company.


  • A/C preventive maintenance
  • A/C system maintenance
  • A/C system repair
  • Cleaning
  • Ductless heating & A/C services
  • HVAC duct & vent cleaning
  • HVAC duct & vent installation
  • HVAC duct & vent repair
  • HVAC system maintenance
  • HVAC system repair
  • Heating system installation
  • Heating system maintenance
  • Heating system repair
  • Install AC
  • Install thermostat
  • Portable A/C services
  • Repair HVAC
  • Thermostat repair
  • Air Cleaner
  • Air Conditioner System
  • Air Conditioning Systems
  • Air Conditioning Unit
  • Air Filter
  • Air Purifiers
  • Alarm Systems
  • Annual Inspection
  • Backflow Preventers
  • Basement Plumbing
  • Bathroom Fixtures
  • Bathroom Plumbing
  • Boiler Inspections
  • Burst Pipes
  • Ceiling Fan
  • Central Air Conditioners
  • Drain Lines
  • Dripping Taps
  • Electrical Repair
  • Emergency Assistance
  • Emergency Furnace Repair
  • Filter Replacements
  • Filter System
  • Fixtures Install
  • Furnace Inspections
  • Furnace Replacement
  • Gas Furnace
  • Heat Pumps
  • Heating And Cooling Equipment
  • Home Renovations
  • Household Plumbing
  • Kitchen Plumbing
  • Leaky Faucets Repair
  • Leaky Pipes
  • New Air Conditioner
  • New Furnace Installed
  • Ongoing Maintenance
  • Ongoing Repair
  • Plumber Repairing
  • Plumbing Inspection
  • Plumbing Installations
  • Plumbing Repairs
  • Preventative Maintenance
  • Repairs Or Replacement
  • Service Calls
  • Sump Pumps
  • Tune Up
  • Washing Machines
  • Water Filters
  • Water Filtration Systems
  • Water Purification Systems
  • Water Purifiers
  • Water Softeners


  • Ac Unit
  • Air Conditioning Repairs
  • Clogged Drains Repair
  • Comfort Services
  • Cooling Systems
  • Furnace Repair Toronto
  • Furnace Types
  • Heating And Air Conditioner
  • Heating And Air Conditioning
  • Heating And Cooling
  • Hot Water Solutions
  • Inspection And Repair
  • New Boiler
  • Our Air Conditioner Repair
  • Plumbing Maintenance
  • Regular Maintenance
  • Water Softener
  • Water Treatment


  • Drain cleaning
  • Faucet installation
  • Faucet Repair
  • Garbage disposal installation
  • Plumbing leak detection
  • Plumbing pipe repair
  • Sewer repair
  • Shower installation
  • Shower repair
  • Toilet installation
  • Toilet repair
  • Water heater installation
  • Water heater repair
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AccuServ Heating and Air Conditioning

3. AccuServ Heating and Air Conditioning

4.9 (Based on 320+ Reviews)

If you’re looking for a reliable HVAC company in Toronto, look no further than Accuserv Heating and Air Conditioning. Ribbons from the Greater Toronto Area’s Homestars program in 2014 and 2015 attest to their team’s commitment to customer satisfaction. If your air conditioner breaks down in the summer, look no further than them. In addition to selling and installing new furnaces and gas fireplaces, they also fix and maintain these and other heating appliances.

  • Air Conditioning
  • Boiler
  • Ductwork
  • Fireplace
  • Furnace
  • General Contracting
  • Tank Water Heater
  • Tankless Water Heater
  • Air Conditioning Repair
  • Boiler Repair Service
  • Ductwork Installation
  • Furnace Repair
  • Hydronic Installations
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Climax Heating & Air Conditioning

4. Climax Heating & Air Conditioning

5.0 (Based on 470+ Reviews)

Are you suffering from a severe cold this season? When the weather is nice, it’s nice to go outside and enjoy it, but if you prefer to spend all of your time indoors, the specialists at Climax Heating and Air Conditioning will do everything they can to make your house a haven. Heating, cooling, and tankless water heaters are just some of the many home comfort systems that they can fix, maintain, and set up for you.

  • Air Conditioners
  • Natural Gas Fireplaces
  • Ductless Air Conditioners
  • Tankless Water Heaters
  • Air Cleaners and Air purifiers
  • HRV/ ERV
  • Humidifier (Steam & Through)
  • Water Heater
  • Toronto
  • Maple
  • Etobicoke
  • Mississauga
  • Markham
  • East York
  • Brampton
  • Ajax
  • Unionville
  • Woodbridge
  • Pickering
  • Richmond hill
  • Whitby
  • North York
  • Scarborough
  • Stouffville
  • Thornhill
  • Vaughan
  • Newmarket
Belyea Bros. Heating & Cooling

5. Belyea Bros. Heating & Coolin Gas

4.5 (Based on 358+ Reviews)

At Belyea Bros, they have a saying that goes something like this: “We are big enough to look after you, yet tiny enough to know who you are.” Since its founding in 1908, its organization has a long and illustrious history of providing service to the people of Toronto. After more than a century in operation, they are still a family-owned and -operated company.

  • Air Conditioning Installation
  • Air Conditioning Service
  • Air Conditioning Repair
  • Indoor Air Quality
  • Ductless HVAC
  • Light Commercial HVAC
  • Heating & Furnace Installation
  • Heating & Furnace Service
  • Heating & Furnace Repair
  • Boiler Installations
  • Hot Water Heaters
  • Tankless Water Heaters
  • Water Heater Rentals
  • Radiant In-Floor Heating
  • Ductless HVAC
  • Light Commercial HVAC
  • Heat Pumps
  • Preventative Maintenance

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