Toronto
10 Best Air Conditioning Companies in Toronto
Whether your air conditioner has stopped cooling or you are planning a replacement, the best choice depends on the system and the help you need. This page compares Toronto-area providers documented for cooling diagnosis, repairs, installations and related heating services, so you can start with a more relevant shortlist.
How this guide is ordered
Research comes first on this page. For air conditioning companies in Toronto, we held on to the most specialised names, those with the strongest client ratings and those whose information is thorough.
Note that a business can pay us for services designed to raise its visibility.
Full list
Full Comparison of 10 Air Conditioning Companies in Toronto
Dr HVAC and Plumbing (Toronto)
Dr HVAC and Plumbing (Toronto) provides air-conditioning repair with on-site appointments, estimates and repair services. The company also handles air-conditioning installations and related heating work described in its service experiences. Technicians explain faults and options clearly, including temporary solutions while parts are sourced, and take care to keep work areas neat.
Stands out: Can provide a temporary cooling solution while a required part is being sourced
Homeowners needing air-conditioning diagnosis, repair or replacement397 Donlands Ave Unit 105, East York, ON M4J 3S3, CanadaTempasure Heating and Air Conditioning
Tempasure Heating and Air Conditioning provides heating and cooling services for homes and businesses in Toronto and the Greater Toronto Area. Its work includes air-conditioning and heat-pump installation, maintenance and repairs, ductless split systems, furnaces, boilers, hot-water systems, in-floor hydronic heating and gas fireplaces. Maintenance plans, free quotations, financing options and certified technicians are also listed among its service features.
Stands out: Covers both conventional HVAC systems and in-floor hydronic heating
Home or business heating and cooling installationFurnace, air-conditioning or boiler maintenance and repairDuctless, hydronic or hot-water heating needs877 Alness St Ste 25, North York, ON M3J 2X4, CanadaAccuServ Heating and Air Conditioning
AccuServ Heating and Air Conditioning handles air-conditioning and broader heating and cooling work. Documented projects include AC diagnosis and replacement, ductless AC installation, boiler replacement support and all-electric furnace and water-heater installations. The company suits homeowners who want options explained before work begins, with reported attention to scheduling, clean installations and tidy work areas.
Stands out: Technicians were described as explaining what was necessary and outlining options
AC repairs, replacements and ductless system installationsHomeowners considering heating or water-heater system changes1167 Woodbine Ave, East York, ON M4C 4C6, CanadaClimax Heating & Air Conditioning Central- Condo HVAC Service
Climax Heating & Air Conditioning Central provides air-conditioning and HVAC repair, maintenance and installation, with particular relevance to condo systems. Its technicians handle heating and cooling problems, including repairs and replacement of older air conditioners and furnaces. The business is suited to homeowners seeking a prompt diagnosis and a practical repair or replacement path for difficult condo HVAC issues.
Stands out: Experience addressing the specific requirements of condo HVAC systems
Condo residents needing heating or air-conditioning repair588 Gordon Baker Rd #586, North York, ON M2H 3B4, CanadaGlors Heating and Air Conditioning
Glors Heating and Air Conditioning installs and services residential heating and cooling systems, including furnaces, central air-conditioning units and humidifiers. The company suits homeowners replacing equipment or diagnosing an existing air-conditioning problem. Its service approach includes assessing the home, explaining system options, recommending an appropriately sized unit and walking customers through maintenance after installation.
Stands out: Explains system options and sizing before installation
Homeowners replacing a furnace or central air-conditioning systemPeople seeking diagnosis and repair guidance for cooling problems1426 Pate Ct, Mississauga, ON L5V 2Y8, CanadaHargrave Heating & Air Conditioning
Hargrave Heating & Air Conditioning provides heating and air-conditioning installation and repair, including furnaces, air conditioners and water heaters. It suits homeowners replacing equipment or dealing with urgent water-heater problems. The service stands out for consultation-led options, clear quotes, prompt coordination and installation teams that clean up after the work.
Stands out: Consultations cover multiple equipment options and questions
Homeowners replacing a furnace or air conditionerPeople needing water-heater repair or replacementCustomers who want installation options explained before work begins85 Ferrier St Unit 5, Markham, ON L3R 2Y9, CanadaMersey Heating and Air Conditioning
Mersey Heating and Air Conditioning is an HVAC contractor providing on-site installation and repair services. It suits homeowners dealing with air-conditioning, furnace, water-heater or gas-related problems, as well as those planning new equipment installation. The company’s service approach includes explaining the issue and available options, with work spanning diagnosis, maintenance, repairs and full A/C and furnace installations.
Stands out: Combines assessment, repair and equipment installation
Homeowners needing HVAC repairs or maintenanceHouseholds replacing air-conditioning or furnace equipment1960 Ellesmere Rd Unit 6, Scarborough, ON M1P 3C2, CanadaLaird & Son Heating & Air Conditioning Scarborough-Toronto
Laird & Son Heating & Air Conditioning Scarborough-Toronto provides furnace repair and broader heating and air-conditioning work. Its documented service includes furnace and mechanical-room inspections, humidifier and thermostat-related troubleshooting, hot-water-tank repairs, mini-split maintenance, air-conditioning inspections and complex boiler installation. Technicians explain their work and maintenance options clearly.
Stands out: Handles detailed diagnostic work, including difficult system integrations and complex heating repairs
Homeowners with complex heating, furnace or mechanical-room problems120 Dynamic Dr #22, Scarborough, ON M1V 5C8, CanadaAire Max Heating & Cooling Inc.
Aire Max Heating & Cooling Inc. is an air conditioning contractor serving Toronto homeowners with furnace and air conditioner service and replacement work. The team is described as diagnosing faults, explaining options and maintenance, and installing replacement furnaces with floor protection and cleanup. It suits households needing urgent heating or cooling attention, including service during evenings, holidays or hot weather when availability permits.
Stands out: Services and replaces furnaces and air conditioners
Homeowners with furnace or air conditioner problemsCustomers considering furnace replacement optionsHouseholds needing clear maintenance guidance647 Sheppard Ave W, North York, ON M3H 2S4, CanadaReliance Heating, Air Conditioning & Plumbing
Reliance Heating, Air Conditioning & Plumbing provides air-conditioning repair services and appointments. The wider documented service experience also includes HVAC installations, boiler replacement and plumbing assistance, with advisors explaining options and technicians addressing installation questions. It suits Toronto homeowners looking for coordinated home-comfort support and a clearly explained path from assessment to service.
Stands out: Advisors explain available home-comfort options in relation to a home’s needs
Homeowners needing air-conditioning repairPeople comparing HVAC replacement or installation optionsCustomers seeking HVAC and plumbing support through one provider145 Front St E Ste L3, Toronto, ON M5A 1E3, Canada
Each number on the map is a business in the list.
For businesses
Run a business?
Cooling and HVAC help covered in this comparison
- Air-conditioning diagnosis and repairStart with providers described as inspecting cooling faults, explaining the issue and outlining repair options.
- Central AC replacementFor an older or unsuitable unit, compare companies that assess the home, discuss equipment and support replacement installation.
- Ductless and heat-pump systemsSome HVAC providers cover ductless split systems and heat-pump installation, maintenance or repairs.
- Furnace and boiler supportSeveral companies pair cooling work with furnace, boiler or hot-water system service when a broader HVAC solution is needed.
- Condo HVAC serviceA dedicated condo-focused option is included for residents dealing with system constraints or difficult heating and cooling issues.
- Maintenance and aftercareAsk about maintenance guidance or plans where ongoing system care is part of the provider’s documented offering.
A practical way to choose an air conditioning company
- Describe the symptom preciselyNote whether the unit is not cooling, cycling, leaking, noisy or awaiting a part; this helps frame the first appointment.
- Identify the systemTell the company whether you have central AC, a ductless setup, heat pump, furnace, boiler or another configuration.
- Ask repair-versus-replacement questionsRequest an explanation of what is necessary, the available options and how sizing or compatibility will be assessed.
- Check building constraintsCondo residents should confirm access, equipment limitations and any requirements that affect the proposed work.
- Clarify timing and appointmentsSome providers require appointments, and urgent response timing varies. Confirm the earliest realistic service window.
Frequently asked questions
Can these companies replace an air conditioner as well as repair one?
Yes, several supplied providers document both air-conditioning repairs and installations or replacements. Confirm the equipment type and project scope when contacting them.
Are Toronto air conditioning companies able to service furnaces too?
Many of the listed HVAC businesses also handle furnaces, boilers, humidifiers or other heating equipment. Their exact scope depends on the system.
What if my AC needs a part that is not immediately available?
One supplied provider describes offering a temporary cooling solution while a required part is sourced. Ask whether a similar interim option is possible.
Do I need an appointment for air-conditioning service?
Appointments are required for some listed providers, including businesses whose descriptions specifically note this. Confirm scheduling before travelling or waiting for service.