Last updated: By HeatPumpIndex Evidence Desk
81% of these hold 4.8★ or better, so stars alone cannot order them; the score out of 100 beside each name does.
In its own words, from its website: Experience top-notch HVAC repair and maintenance services in Milton and Oakville ON with Free Air Heating & Air Conditioning Ltd. Trust our expert team for AC, furnace, ductless mini-split, heat pump services, and more. Schedule your service today!
Carried on this directory for ductless mini split work and heat pump installation from a base in Leaside. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
Listed here for ductless mini split work and heat pump installation in Islington-City Centre West. Heat pump work is named on the company's own site, and its name is on Ontario's Home Renovation Savings register.
Covers heat pump installation and ductless mini split work from a base in Whitby. Heat pump work is named on the company's own site, and its name is on Ontario's Home Renovation Savings register.
Carried on this directory for ductless mini split work and heat pump installation in Whitby. Heat pump work is named in its own page headings.
In its own words, from its website: City Home Comfort, your trusted Toronto HVAC contractor. Specializing in boilers, furnaces, heat pumps, air conditioners & more.
Covers heat pump installation and ductless mini split work from a base in Burlington. Both sources agree here: the company's own site names heat pump work, and it is on Ontario's Home Renovation Savings register.
Indexed under heat pump installation and ductless mini split work out of Burlington. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
Listed here for heat pump installation and ductless mini split work from a base in Don Mills. Their own website names heat pump work, and the company appears on Ontario's Home Renovation Savings register.
In its own words, from its website: Professional HVAC services across Durham Region. Furnace installation, air conditioning, heat pumps, hot water tanks and more. Call David at (416) 508-4585.
In its own words, from its website: Joe's Heating serves Durham & Northumberland with HVAC installation, repair, and 24/7 emergency service. Family-owned since 1973. Call (905) 434-6788.
This is the top 30 of 346 air conditioning companies on HeatPumpIndex, not the whole list. The other 316 each have their own profile page, and the area hubs below print every company in the areas they cover, in full. Pick your neighbourhood to reach the ones near you.
HeatPumpIndex tracks 346 air conditioning companies working across Toronto and the GTA, with a median 4.9★ Google rating over 50,447 reviews. Air conditioning installation typically runs $3,500–$8,500 per project (CAD) according to Imperial Heating (Toronto, 2026 guide). Best season to book: Year-round, installs peak May to August.
Choose your neighbourhood or city to see the ranked shortlist for that area. HeatPumpIndex lists at least 4 air conditioning companies in each of 13 GTA areas, each ranked on the HeatPumpIndex score.
According to Imperial Heating (Toronto, 2026 guide), new air conditioner installed, Toronto (all system types) runs $3,500–$8,500 per project (CAD) in the GTA, while central air conditioner, 14 to 16 SEER runs $3,500–$6,000 per project (CAD), from Imperial Heating (Toronto, 2026 guide). Add 13% HST to any quote. The table below breaks down 8 line items, each with its own named source.
GTA air conditioning prices as researched in August 2026. Every row names where the figure came from.
| Item | Typical range | Unit | Source |
|---|---|---|---|
| New air conditioner installed, Toronto (all system types) | $3,500–$8,500 | per project (CAD) | Imperial Heating (Toronto, 2026 guide) |
| Central air conditioner, 14 to 16 SEER | $3,500–$6,000 | per project (CAD) | Imperial Heating (Toronto, 2026 guide) |
| Central air conditioner, 18+ SEER high efficiency | $5,000–$8,500 | per project (CAD) | Imperial Heating (Toronto, 2026 guide) |
| Standard central AC, 2 to 3 ton, 16 SEER2 | $3,500–$6,500 | per project (CAD) | Megacity HVAC (Toronto, 2026) |
| Larger home, 4+ ton or 18 to 21 SEER2 premium system | $5,500–$8,500 | per project (CAD) | Megacity HVAC (Toronto, 2026) |
| Standard central AC installation | $3,200–$5,500 | per project (CAD) | EcoFrost Heating (HVAC cost guide 2026) |
| AC equipment only, condenser and coil | $1,800–$4,500 | equipment only (CAD) | Megacity HVAC (Toronto, 2026) |
| Installation labour | $1,000–$1,800 | labour only (CAD) | Megacity HVAC (Toronto, 2026) |
Placement cannot be bought, and no company has paid to appear here. How HeatPumpIndex ranks companies sets out the scoring, the data behind it and what it does not check.
Compare HeatPumpIndex's other Greater Toronto Area service rankings, or dig into the pricing and comparison guides for this project.