Cost of Central Air Conditioning Installation in London, ON
Installation of a new central air conditioning system including condenser, coil, and refrigerant lines
Prices are estimates for London, ON as of 2026. Actual costs vary based on project specifics.
What Affects Central Air Conditioning Installation Cost in London?
London is in the Southwestern Ontario region of ON. Local costs are 10% below the Canadian national average, driven by local labour rates, material availability, and demand for skilled trades.
Timeline & Planning
Typical Timeline
1-2 days
Permits
A building permit is typically required in London. Check with your local building department.
Best Time to Book
Best pricing in fall/winter; spring bookings fill fast
Compare Central Air Conditioning Installation Costs Across Cities
| City | Low | Average | High | vs London |
|---|---|---|---|---|
| London, ON | $3,150 | $4,950 | $8,100 | — |
| Winnipeg, MB | $3,150 | $4,950 | $8,100 | 0% |
| St. John's, NL | $3,150 | $4,950 | $8,100 | 0% |
| Quebec City, QC | $3,080 | $4,840 | $7,920 | -2% |
| Laval, QC | $3,220 | $5,060 | $8,280 | +2% |
| Halifax, NS | $3,220 | $5,060 | $8,280 | +2% |
Frequently Asked Questions
How much does central air conditioning installation cost in London?
In London, central air conditioning installation typically costs between $3,150 and $8,100 in 2026. The average homeowner pays around $4,950.
What factors affect central air conditioning installation costs in London?
Key factors include: Home size (tonnage needed), SEER efficiency rating, Existing ductwork compatibility, Electrical capacity, Refrigerant line length, Thermostat and zoning. London prices are below the Canadian average due to local labour and material costs.
Do I need a permit for central air conditioning installation in London?
Yes, central air conditioning installation typically requires a building permit in London. Contact your local building department for specific requirements and fees.
How do I save money on central air conditioning installation in London?
Get at least 3 quotes from licensed contractors. Best pricing in fall/winter; spring bookings fill fast Consider bundling multiple projects. Ask about off-season discounts and whether materials can be sourced more affordably.
How do I find a good contractor in London?
Check reviews on HomeStars, Google, and the Better Business Bureau. Verify licenses and insurance. Ask for references from recent local projects. Never pay more than 10-15% upfront.