Quick Answer

Furnace/HVAC Replacement Cost in Oshawa (2026)

Average cost in Oshawa

$9,320avg

$6,800 — $15,500

$4 — $7 per sq ft

+12.5% YoY
9 sources
Updated 4 days ago
Ontario

Cost Breakdown

Itemized
Equipment & Hardware

Furnace and AC units, coils, and thermostats

$3,800 — $8,500

55%

Labor & Installation

Licensed HVAC technician time (approx. 8-14 hours)

$2,400 — $5,500

35%

Ductwork & Modifications

Minor sealing, plenum adjustments, and transitions

$400 — $1,200

7%

Permits & Disposal

City of Oshawa building permits and old unit removal

$200 — $350

3%

🧾HST (13%) — Ontario
Base cost + $1,212 tax$10,532

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

$7,453

$5,962 — $8,944

Based on 9 sources and market data for Oshawa. Actual costs may vary depending on specific project requirements.

📈Price Momentum

Year-over-year

~1 year ago

$8,284

Today

$9,320

Furnace/HVAC Replacement in Oshawa is 12.5% compared to roughly a year ago — about $1,036 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 Oshawa

Verified providers
🔨

LFZ Heating & Cooling

1318 Apollo St, Oshawa, ON L1K 3E6, Canada

4.9
★★★★½

183 reviews

🔨

Enercare

285 Bloor St W, Oshawa, ON L1J 1R1, Canada

4.9
★★★★½

9,364 reviews

🔨

AOBUTEC HVAC Heating & Cooling

430 Brock St N, Whitby, ON L1N 4H9, Canada

4.9
★★★★½

94 reviews

🔨

Reliance Heating, Air Conditioning & Plumbing

1155 Boundary Rd Unit 8, Oshawa, ON L1J 6Z7, Canada

4.8
★★★★½

7,438 reviews

🔨

Limcan Certified Heating and Air Conditioning

501 Ritson Rd S Unit 1, Oshawa, ON L1H 3B5, Canada

4.8
★★★★½

707 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

Oshawa residents can access the Home Renovation Savings Program, which offers up to $2,000 for hybrid systems (gas + heat pump) and up to $7,500 for fully electric conversions. Additionally, the Oil to Heat Pump Affordability (OHPA) program provides up to $10,000 for those switching from oil heating.

While exact fees are calculated based on project valuation, a standard residential mechanical permit for a furnace or AC replacement in Oshawa typically ranges from $150 to $250, including inspection fees.

Prices in 2026 have risen by approximately 10-15% due to the industry-wide transition to R-454B refrigerant, which requires redesigned equipment and more expensive components, alongside general inflationary pressure on skilled labor rates in the GTA.

A standalone high-efficiency natural gas furnace installation in Oshawa typically costs between $4,000 and $6,500, depending on the BTU capacity and efficiency rating (AFUE).

📊Our Methodology

How we collect data
1

Aggregated from 9+ 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: 4 days 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.