What Does Furnace Replacement in Toronto Involve?
Is your heating system starting to sound a bit rough on those freezing January nights? When facing a Furnace Replacement Toronto project, we know exactly how stressful it feels to wonder if your equipment will make it through another Canadian winter.
You want a reliable, warm house without spending a fortune.
Pro Tip: Upgrading your furnace before it completely fails gives you the time to compare prices and find the best equipment for your home.
Our team has helped thousands of property owners upgrade their heating systems smoothly and safely. A proper replacement involves the complete removal of your old gas unit and the installation of a brand new one.
This process must be handled by a TSSA G1 or G2 licensed technician to meet the Ontario Building Code and the strict CSA B149.1 natural gas regulations.
We take care of all the technical details, from heat-loss sizing and gas connections to Electrical Safety Authority (ESA) verification. The service also covers plenum and duct transitions, removing your old equipment, and a final commissioning combustion analysis.
| Efficiency Tier | Typical Installed Price (CAD) |
|---|---|
| Mid-efficiency 80% AFUE | $3,500 to $5,500 |
| High-efficiency 95% AFUE | $5,500 to $8,500 |
We even file the latest rebate paperwork for you, so grab a cup of coffee and let’s go through the details together. Let’s look at exactly what goes into making a smart, cost-effective choice.
5 Signs Your Furnace Should Be Replaced, Not Repaired
It is completely normal to wonder whether to fix an aging unit or just start fresh. We usually tell customers to look for a few clear red flags before making a decision. Spending money on constant fixes for an older Lennox or Carrier model might just drain your wallet.
Our checklist below highlights the clear indicators that a new unit is the safer, smarter choice.
- A confirmed cracked heat exchanger. A licensed tech will use a camera inspection and find elevated Carbon Monoxide (CO) during a combustion analysis. A cracked heat exchanger results in an immediate TSSA “Red Tag” shutoff in Ontario. On a 15-plus-year-old unit, this is always a replacement scenario.
- The unit is past 20 years old. Most gas furnaces last 15 to 25 years before critical parts fail. Past the 20-year mark, components fail in a rapid sequence.
- Repair costs approaching half the price of replacement. A $1,200 CAD repair on a 19-year-old 80% AFUE unit is simply wasted money. Our technicians see this happen often with older Goodman or Rheem units.
- Rising gas bills with no change in habits. A worn blower motor and declining combustion efficiency will inflate your utility costs long before a total breakdown occurs, so an inefficient system will hurt your budget even more as gas rates keep climbing.
- Uneven heat and constant short cycling. Older units were frequently oversized during their initial installation. A proper replacement, sized using a strict heat-loss calculation, finally fixes the cold spots and comfort problems a basic repair never could.
How the Repair-vs-Replace Recommendation Is Calculated
We provide every customer with a clear, written diagnostic recommendation. This evaluation uses four critical inputs to help you make an informed choice.
The criteria include the furnace age against its expected service life, the condition of the heat exchanger, the exact CAD cost of your needed repair, and your potential annual gas savings. Upgrading an old 80% AFUE system to a modern 95% AFUE model from a brand like Trane or Lennox can slash your heating fuel consumption by a massive 15 to 20 percent.
Our team wants you to have complete transparency into how we advise our clients. Some contractors might push for an early replacement, but a simple $200 flame sensor fix on a 12-year-old system is always a straightforward repair.
| Furnace age | Heat exchanger intact | Typical recommendation |
|---|---|---|
| Under 12 years | Yes | Repair, almost always |
| 12 to 18 years | Yes | Repair if the fault is a single component |
| 15+ years | No | Replace |
| 20+ years | Yes | Compare repair cost against efficiency gain |
| 25+ years | Either | Replace |
What the Installed Price Includes
We ensure your final quote covers absolutely everything required for a safe, code-compliant installation. You will never face hidden fees or surprise charges on installation day.
Our standard installed price includes a comprehensive list of services and materials.
- Removal and eco-friendly disposal of the old unit.
- The new furnace, plus all gas piping, connections, and ESA-verified electrical hookups.
- Required venting upgrades, specifically using ULC S636 certified PVC pipe for any condensing conversion.
- A condensate drain and neutralizer, which protects your plumbing from the acidic runoff produced by 95% AFUE models.
- Custom sheet metal plenum and duct transitions.
- The municipal permit and full commissioning, including a combustion analysis, CO verification, static pressure check, and a thermostat cycle test.
We quote a few specific items separately if our initial assessment shows your home needs them. Duct sealing typically costs $299 to $899 CAD. A compatible smart thermostat, like a new ecobee or Google Nest, usually runs $199 to $549 CAD depending on the model.
Ontario Rebates on a High-Efficiency Replacement
Figuring out government rebates can feel confusing, but our experts know exactly how to maximize your return. A 95% AFUE condensing furnace upgrade often qualifies for serious financial incentives.
We actively monitor program details to ensure you get every dollar you are eligible for as an ENERGY STAR certified installer.
Here is a quick look at the programs we file on your behalf:
- Enbridge Home Efficiency Rebate Plus: Up to $6,500 CAD on a qualifying 95% AFUE installation paired with the right home envelope upgrades.
- Canada Greener Homes Grant: Up to $5,000 CAD for eligible households upgrading to a high-efficiency system.
- Manufacturer Promotions: Brands like Lennox and Carrier occasionally run seasonal promotions that can be stacked with provincial rebates.
- Expert Filing Assistance: We file all this complex paperwork directly on your behalf, preventing the common mistakes that cause homeowners to lose out on free money.
A successful Furnace Replacement Toronto project requires careful planning and expert execution. For the efficiency side of the decision in detail, see high-efficiency furnace conversion.
If you are installing in a new build or an addition rather than swapping an existing unit, see furnace installation Toronto.
The full set of published scope bands is on the furnace repair Toronto homepage.
