Furnace/HVAC Replacement Cost in London (2026)
Average cost in London
$6,500 – $18,500
$4 – $7 per sq ft
In London, the average is $11,901 and most projects cost between $6,500 and $18,500, or about $4 – $7 per sq ft. Prices are before tax and based on 9 sources.
Cost Breakdown
ItemizedHigh-efficiency furnace and AC unit
65%
Licensed HVAC technician installation
30%
City of London building/mechanical permits
3%
Old unit removal and installation supplies
2%
HST at 13%
📋What's Included
ScopeTypically Includes
- Furnace or AC unit
- Thermostat
- Basic ductwork connections
- Refrigerant
- Labor & installation
- Old unit disposal
Typically Excludes
- Full ductwork replacement
- Zoning systems
- Smart home integration
- Permits & inspections
- Humidifier or air purifier
Based on a standard 2,000 sq ft home with existing ductwork.
🧮Estimate your project
LiveYour estimate in London
Likely range $6,500 – $18,499
- Equipment65%$7,736
- Labor30%$3,570
- Permits & Inspections3%$357
- Disposal & Materials2%$238
Furnace only
$11,901
AC only
$13,010
Furnace + AC
$18,550
Heat pump (full system)
$22,982
Calibrated to 9 researched sources for London. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$10,579
Today
$11,901
Furnace/HVAC Replacement in London is ↑ 12.5% compared to roughly a year ago — about $1,322 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top HVAC Replace Contractors in London
Verified providersHawana HVAC Solutions Ac & Furnace Repair London ON
670 Millbank Dr, London, ON N6E 1S2, Canada
224 reviews
Maxcare Heating And Cooling
1994 Clayridge Wy, London, ON N6G 0V2, Canada
268 reviews
Builders Choice Air Systems Ltd
492 Hill St, London, ON N6B 1E7, Canada
233 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
In 2026, a standard high-efficiency gas furnace replacement in London typically costs between $4,000 and $7,000, including installation. Premium modulating models can exceed $8,500.
The City of London requires a building permit for HVAC replacements. The base application fee for a proprietary review is $368.85 plus HST, with total permit costs often ranging from $400 to $600 depending on the project scope.
Yes, homeowners can access the Canada Greener Homes Loan for interest-free financing up to $40,000. Additionally, the Home Renovation Savings Program offers up to $7,500 for qualifying heat pump installations and $2,000 for gas-heated home upgrades.
Prices have risen by approximately 10-15% due to the industry-wide transition to R-454B refrigerant, which is roughly 3 times more expensive than the previous R-410A, alongside 25% tariffs on certain imported components and a shortage of certified technicians.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 1 months ago. Updates run weekly. All costs in CAD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.