If your furnace is showing its age or has finally given out during a cold North York winter, you're likely wondering what a replacement will cost in 2026. Furnace prices have shifted over the past few years thanks to supply chain adjustments, updated Ontario efficiency regulations, and rising labour costs across the GTA. This guide gives you honest, practical price ranges and explains exactly what drives the final number on your quote — so you can hire with confidence.
Typical Furnace Replacement Cost in North York (2026)
For most North York homes, a complete furnace replacement — including equipment, labour, and basic materials — runs between $3,500 and $8,500 plus HST (13%). The wide range reflects real differences in home size, equipment grade, and installation complexity. Here is a rough breakdown by tier:
- Standard efficiency (80% AFUE), smaller home: $3,500 – $4,800
- High-efficiency (95–98% AFUE), mid-size home: $5,000 – $6,800
- Premium modulating furnace, larger or complex installation: $7,000 – $8,500+
These figures include the furnace unit, removal and disposal of your old equipment, new flue venting or PVC exhaust piping, basic electrical connections, and commissioning. They do not typically include duct modifications, humidifier upgrades, or a new thermostat unless specified in your contract.
What Affects the Price of a Furnace Replacement?
1. Furnace Efficiency and Brand
In Ontario, all newly installed furnaces must meet minimum efficiency standards under the Ontario Building Code. High-efficiency condensing furnaces (95% AFUE and above) are now the standard choice for most GTA homes. Modulating or two-stage models cost more upfront but can meaningfully reduce your gas bills over time. Equipment cost alone can range from roughly $1,200 for a builder-grade unit to over $3,500 for a premium variable-speed model.
2. Home Size and Heating Load
A licensed HVAC technician in North York should perform a heat load calculation (Manual J or equivalent) before sizing your new furnace. Homes in North York range from compact post-war bungalows in areas like Willowdale to larger two-storey detached houses near Bayview Village. Larger homes need higher BTU output, which increases equipment cost. Over-sizing a furnace to skip this step is poor practice — it leads to short-cycling and premature wear.
3. Venting and Gas Line Modifications
Older North York homes with standing-pilot furnaces often have Type B metal flue venting that cannot be reused with a new high-efficiency condensing unit. These furnaces vent through PVC pipe, usually to the side of the house. Running new venting routes through finished walls or around obstacles adds labour time and materials cost. Your contractor should explain the venting plan in advance. Any gas line modifications must be inspected under a TSSA-issued permit.
4. Permit and Inspection Fees
Furnace replacements in North York require a permit through the City of Toronto Building Division and a gas inspection conducted by a TSSA-authorized inspector. Your HVAC contractor should pull this permit — not you. Permit fees in Toronto typically fall in the range of $150 to $300 depending on the scope of work, and these costs are usually passed through to the homeowner. Always confirm that your quote includes permit and inspection fees. Work done without a permit is a serious liability when you sell your home or make an insurance claim.
5. Labour and Contractor Experience
Labour typically accounts for 30–45% of a furnace replacement quote in the GTA. Rates vary by contractor, but licensed HVAC technicians in North York generally charge between $95 and $145 per hour. A straightforward swap-out might take four to six hours; a more involved installation with new venting, electrical work, or duct changes can take a full day or longer.
Ontario Rebates Worth Knowing About
The Canada Greener Homes Grant has wound down, but Ontario homeowners may still access rebates through the Enbridge Gas Home Efficiency Rebate Plus program or the federal Canada Oil to Heat Pump Affordability Program if applicable. Eligibility depends on your current system and the new equipment you choose. Ask your HVAC contractor which rebates your specific equipment qualifies for before signing a contract — some programs require a pre-retrofit energy assessment.
How to Hire a Licensed HVAC Contractor in North York
Ontario does not licence HVAC contractors at the provincial level the way it does electricians, but technicians who work on gas appliances must hold a valid gas technician licence issued under the TSSA (Technical Standards and Safety Authority). Additionally, reputable contractors carry WSIB coverage and general liability insurance. Tradespeople working on the electrical side of an installation should hold credentials recognized under Ontario College of Trades (OCOT) standards.
- Ask for the contractor's TSSA gas licence number and verify it online.
- Confirm WSIB clearance — this protects you if a worker is injured on your property.
- Get at least two itemized written quotes before deciding.
- Ensure the quote clearly states whether permit and disposal fees are included.
- Check that commissioning and a post-installation test are part of the scope.
Red Flags to Watch For
Be cautious of contractors who quote over the phone without visiting your home, pressure you into a same-day decision, or suggest skipping the permit to save money. A quote that seems unusually low may exclude venting, permits, or the disposal fee — always ask for a line-item breakdown. A trustworthy HVAC contractor in North York will explain their quote clearly and welcome your questions.
Final Thoughts
Replacing a furnace is a significant investment, but getting it done properly by a verified, licensed HVAC contractor protects your home, your warranty, and your safety. In North York, budget realistically between $3,500 and $8,500 before HST, confirm all permits are pulled, and use a platform that verifies contractor credentials against TSSA, WSIB, and OCOT standards before you invite anyone into your home.