If your furnace is struggling through another Ontario winter, you may already be weighing whether a repair is worth it or whether it is time for a full replacement. For Etobicoke homeowners, a new furnace is a significant investment — but understanding what drives the cost helps you budget realistically, ask the right questions, and avoid being overcharged. This 2026 guide covers typical price ranges, the factors that affect your quote, permit requirements in the City of Toronto, and practical tips for choosing a licensed, verified HVAC technician.
Typical Furnace Replacement Costs in Etobicoke (2026)
Most Etobicoke homeowners pay between $3,500 and $8,500 for a complete furnace replacement, including equipment, labour, and materials. Here is a general breakdown by system tier:
- Entry-level single-stage furnace (80% AFUE): $3,500 – $5,000 installed
- Mid-efficiency two-stage furnace (96% AFUE): $5,000 – $6,500 installed
- High-efficiency modulating furnace (98% AFUE): $6,500 – $8,500 installed
All prices above are in Canadian dollars and do not include HST (13%), so factor that into your final budget. A $6,000 job becomes roughly $6,780 after tax. Always confirm whether a contractor's quote is before or after HST.
What Is Included in a Furnace Replacement Quote?
A complete, honest quote from a licensed HVAC technician should itemise the following:
- Removal and disposal of the old furnace
- Supply and installation of the new furnace unit
- Venting or flue modifications (especially common when upgrading to a high-efficiency model that requires PVC venting)
- Gas line connection and pressure testing
- Electrical connections and thermostat wiring
- City of Toronto building permit (if applicable — see below)
- Commissioning, combustion analysis, and test run
Be cautious of quotes that appear unusually low. They may exclude venting modifications, disposal fees, or permit costs, which can add several hundred dollars once work begins.
Key Factors That Affect the Price
1. Furnace Size and Efficiency Rating
Furnaces are sized in BTUs (British Thermal Units) and must be matched to your home's heat load. An undersized or oversized unit leads to comfort problems and higher energy bills. A proper Manual J heat-load calculation should inform the sizing. Higher AFUE ratings reduce monthly gas bills but carry a higher upfront cost.
2. Venting Requirements
Older Etobicoke homes — particularly those in the long-established neighbourhoods near the Kingsway, Islington Village, or Long Branch — often have older B-vent or chimney flue setups. Upgrading to a 96% or 98% AFUE condensing furnace requires new PVC exhaust and intake pipes, which adds labour and material costs. In some cases, chimney liners must be decommissioned.
3. Access and Installation Complexity
Tight utility rooms, finished basements, or older homes with unconventional duct layouts take longer to work in and may increase labour costs. If ductwork modifications are needed to accommodate a new unit, expect additional charges.
4. Brand and Warranty
Equipment from well-regarded manufacturers typically carries a 10-year parts warranty (registration required). Labour warranties vary by contractor, commonly ranging from one to two years. Ask for both in writing before signing.
5. Time of Year
Emergency replacements during a cold snap in January or February may carry a premium. If your furnace is ageing but still functional, scheduling a replacement in late summer or early fall often means better contractor availability and potentially more competitive pricing.
Permit Requirements in Etobicoke
Etobicoke falls under the City of Toronto jurisdiction. A building permit is generally required when replacing a furnace, as the work involves a gas appliance connection regulated under the Technical Standards and Safety Authority (TSSA). Your HVAC technician must hold a valid TSSA gas technician licence (G1 or G2) to perform gas work legally in Ontario.
The permit process involves an inspection by a City of Toronto building inspector once the work is complete. A reputable contractor will pull the permit on your behalf — if a contractor tells you a permit is unnecessary or asks you to pull it yourself, treat that as a red flag.
The Electrical Safety Authority (ESA) may also be involved if the electrical connections to the new furnace require new wiring or an upgraded circuit. Any electrical work must be performed or overseen by a licensed electrical contractor registered with the ESA.
Rebates Available to Etobicoke Homeowners
Homeowners who upgrade to a high-efficiency furnace may be eligible for rebates through the Canada Greener Homes Grant or Enbridge Gas programs. Eligibility typically depends on achieving a minimum AFUE rating and completing a pre- and post-installation energy audit. Ask your contractor whether the equipment they are recommending qualifies, and check the Enbridge Gas website directly for current program details, as rebate amounts and availability change.
Practical Tips Before You Hire an HVAC Technician in Etobicoke
- Verify credentials: Confirm your technician holds a TSSA gas licence and that the company carries WSIB coverage and general liability insurance. OCOT (Ontario College of Trades) registration is also expected for trade professionals in Ontario.
- Get at least two itemised quotes: This lets you compare scope of work, not just price.
- Ask about the permit process: A licensed pro will handle this without hesitation.
- Confirm equipment brand and model in writing: Some contractors substitute specified equipment after signing.
- Do not pay in full upfront: A reasonable deposit is normal; full payment should follow satisfactory completion.
- Check that the new furnace is commissioned properly: A combustion analysis and test run before the technician leaves is standard practice.
Is It Worth Replacing vs. Repairing?
A common rule of thumb is the 5,000 rule: multiply the furnace's age (in years) by the repair cost. If the result exceeds $5,000, replacement is generally the more economical choice. A furnace older than 15 to 20 years, especially one showing signs of a cracked heat exchanger, is almost always a replacement candidate rather than a repair.