Furnace replacement cost in London, ON (2026)
Estimated range · high-efficiency gas furnace, installed · before GST/HST
Cost range
| Tier | Estimated cost |
|---|---|
| Budget | $4,600 |
| Typical (midpoint) | $6,400 |
| Premium | $8,200 |
Modeled range, not a quote. City factor 1.024 (above the national baseline). How we calculate this.
What drives the price
- Size and scope of the job
- Material grade
- Access and site conditions
- Permits, disposal and seasonal demand
London notes
ON construction workers averaged $38.43/hr in 2025 (StatCan Table 14-10-0064-01), 101% of the Canadian average. The StatCan construction price index for London, Ontario stood at 111.9 in April 2026 (2023=100). Check London permit requirements before starting.
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FAQ
How much does furnace replacement cost in London?
Our modeled estimate for high-efficiency gas furnace, installed in London, ON is $4,600–$8,200 before tax.
Why is London above the national average?
Local construction wages in ON (StatCan LFS) and the construction price index for London, Ontario (StatCan BCPI, 111.9) give a city factor of 1.024.
Are these quotes?
No. They are modeled ranges for planning. Get at least 3 written quotes from licensed local contractors.
Furnace replacement cost in other cities
Toronto · Montréal · Vancouver · Calgary · Edmonton · Ottawa · Winnipeg · Québec City
Other projects in London
Roof replacement · Hot water tank replacement · Window replacement · Deck building · Fence installation · Basement finishing · Bathroom renovation · Siding replacement · Driveway paving