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Air Conditioner Installation Cost Ontario — 2026 Prices | Toronto, Scarborough, Durham Region
How much does central air conditioning installation cost in Ontario in 2026? Prices vary by system size, efficiency, and city — but most Ontario homeowners pay $3,200–$7,000 for a standard central AC installation on existing ductwork. Madina Mechanical provides transparent pricing for homeowners in Toronto, Scarborough, Whitby, Oshawa, Ajax, and Pickering.
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Air Conditioner Installation Costs in Ontario by City — 2026
| City / Area | 2-Ton Central AC (most common) | Notes |
|---|---|---|
| Toronto | $3,800–$5,500 | Includes all of former City of Toronto |
| Scarborough | $3,800–$5,500 | Agincourt, Malvern, Wexford, West Hill |
| Whitby, Ajax, Pickering | $3,800–$5,500 | Durham Region pricing |
| Oshawa, Bowmanville, Courtice | $3,800–$5,500 | Clarington and Oshawa pricing |
What Affects AC Installation Cost in Ontario
- System size — 1.5-ton ($3,200–$4,800), 2-ton ($3,800–$5,500), 2.5-ton ($4,200–$6,000), 3-ton ($4,800–$7,000)
- Equipment efficiency (SEER2 rating) — 16 SEER2 systems cost $500–$1,500 less than 21 SEER2; higher SEER saves 20–30% on operating costs
- Existing ductwork condition — If existing ductwork needs major work, add $500–$2,000+
- Refrigerant line set length — Standard runs are included; longer runs or complex routing add cost
Ontario Heat Pump vs AC — Cost Comparison 2026
With Canada Greener Homes Grant rebates up to $5,000, a heat pump installation in Ontario often costs the SAME as a high-efficiency central AC after rebates, while also replacing your furnace. This has fundamentally changed the economics for Ontario homeowners whose furnaces are 10+ years old.
How much does air conditioner installation cost in Ontario?
Air conditioner installation in Ontario costs $3,200–$7,000 depending on system size. The most common installation — a 2-ton central AC on existing ductwork — runs $3,800–$5,500 in the GTA and Durham Region, including all equipment, installation, and HST. Heat pump installation (which also provides heating) costs $5,000–$12,000 before Ontario rebates of up to $5,000.
Related Services
- ❄️ AC Installation Scarborough
- ❄️ AC Installation Whitby
- 🌡️ Heat Pump Installation Ontario — Rebates up to $5,000
