Quick Answer

Furnace/HVAC Replacement Cost in London (2026)

Average cost in London

$12,838avg

$8,500 — $21,000

$6 — $10 per sq ft

+7.8% YoY
8 sources
Updated 2 weeks ago
Ontario

Cost Breakdown

Itemized
HVAC Equipment

Furnace and AC units

$5,270 — $13,020

62%

Labor & Installation

Licensed technician hours

$2,550 — $6,300

30%

Permits & Inspections

Municipal and safety codes

$170 — $420

2%

Disposal & Recycling

Old unit removal and eco-fees

$255 — $630

3%

Installation Materials

Venting, gas lines, and wiring

$255 — $630

3%

🧾HST (13%) — Ontario
Base cost + $1,669 tax$14,507

HST at 13%

📋What's Included

Scope

Typically 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 Cost

Interactive

Estimated Cost

$6,913

$5,530 — $8,296

Based on 8 sources and market data for London. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

$11,909

Today

$12,838

Furnace/HVAC Replacement in London is 7.8% compared to roughly a year ago — about $929 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 providers
🔨

Hawana HVAC Solutions Ac & Furnace Repair London ON

670 Millbank Dr, London, ON N6E 1S2, Canada

5.0
★★★★★

171 reviews

🔨

Maxcare Heating And Cooling

1994 Clayridge Wy, London, ON N6G 0V2, Canada

5.0
★★★★★

267 reviews

🔨

Handy Bros. HVAC London (AC and Furnace Repair)

213 Consortium Ct, London, ON N6E 2S8, Canada

4.9
★★★★½

757 reviews

🔨

Donaldson Home Services

77 Bessemer Rd, London, ON N6E 1P9, Canada

4.9
★★★★½

2,928 reviews

🔨

Builders Choice Air Systems Ltd

492 Hill St, London, ON N6B 1E7, Canada

4.9
★★★★½

234 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

For a standard 1,500–2,000 sq ft home in London, a full system replacement typically costs between $11,500 and $15,500 CAD, including high-efficiency equipment and professional installation.

Yes, homeowners can access the Canada Greener Homes Loan for up to $40,000 interest-free, and combined Enbridge/HER+ rebates often provide $2,500 to $5,000 back for installing air-source heat pumps or hybrid dual-fuel systems.

A standalone high-efficiency gas furnace replacement in London currently averages $4,800 to $7,200 CAD, depending on the AFUE rating and whether the venting requires a transition to PVC.

The industry-wide shift to low-GWP refrigerants like R-454B and R-32 has resulted in a 10% to 15% increase in equipment costs this year compared to older R-410A models.

📊Our Methodology

How we collect data
1

Aggregated from 5+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 2 weeks 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.