Furnace/HVAC Replacement Cost in Oshawa (2026)
Average cost in Oshawa
$5,000 — $15,000
$3 — $8 per sq ft
Cost Breakdown
ItemizedFurnace and AC units
55%
HVAC technician installation
30%
Ductwork, wiring, and piping
10%
TSSA permits and old unit removal
5%
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 Cost
InteractiveEstimated Cost
$5,962 — $8,944
Based on 8 sources and market data for Oshawa. Actual costs may vary depending on specific project requirements.
🏢Top HVAC Replace Contractors in Oshawa
Verified providersJoe's Heating and Air Conditioning
221 Lake Rd Unit 1 & 2, Bowmanville, ON L1C 4P8, Canada
763 reviews
Ashton Heating & Cooling
3621 Courtice Rd, Courtice, ON L1E 2L6, Canada
532 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 Oshawa and the GTA, replacing both a furnace and central AC at the same time typically costs between $5,000 and $15,000, with most homeowners spending around $8,000 for a mid-efficiency paired system.
Yes, Oshawa homeowners can access Enbridge Gas rebates and provincial programs, which can provide up to $7,500 in combined rebates for upgrading to high-efficiency systems like cold-climate heat pumps.
A new natural gas furnace in Oshawa ranges from $4,000 to $7,500 including installation. High-efficiency models (96%+ AFUE) generally start around $4,500.
HVAC professionals in Oshawa and the surrounding Durham Region typically charge between $90 and $150 per hour for labor, with full system installations requiring 1-2 days of work.
📊Our Methodology
How we collect dataAggregated from 8+ 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: today. Updates run weekly. All costs in CAD.