If you’re a homeowner in Toronto, you already know how brutal the winters can get. A reliable furnace is not a luxury, it is a necessity. But when yours starts acting up or simply gives out, the first question that pops into your head is almost always the same: how much is this going to cost me?

 The truth is, furnace prices Toronto vary quite a bit depending on a handful of factors. The cost of furnaces in Toronto typically ranges from around $2,500 to over $7,000 when you factor in equipment and installation. Understanding what drives that range can save you thousands and help you make a smarter decision for your home and budget.

This guide breaks everything down for you in plain language, from the factors that affect price, to average costs by type, to tips on keeping your total spend as low as possible.

Factors That Affect Furnace Prices in Toronto

No two furnace purchases are identical. Here are the main things that push the price up or down.

1. Size of the Furnace
   Furnace size is measured in BTUs (British Thermal Units), which simply refers to how much heat the unit can produce. A small condo in downtown Toronto needs a very different furnace than a large detached home in Scarborough or Etobicoke. If you buy a unit that is too small, your home will never quite reach the right temperature. Too large, and you end up with a system that cycles on and off constantly, wearing out faster and wasting energy.

   Generally speaking, larger homes need higher BTU output furnaces, which cost more. A professional assessment of your home’s square footage and insulation quality is always the right starting point.

2. Fuel Type: Gas vs Electric
   In Toronto, the most common choice is a natural gas furnace, and for good reason. Natural gas tends to be more cost effective for heating large spaces through long Canadian winters. Electric furnaces are typically less expensive to purchase upfront but can cost significantly more to operate month to month.

   For most Toronto homeowners who already have a gas line, a gas furnace is the more practical and economical option over the long term. If your home does not have a gas connection, factoring in the cost of running a gas line adds another variable to your decision.

3. Efficiency Rating (AFUE)
   Efficiency is one of the biggest cost drivers. Furnaces are rated by their Annual Fuel Utilization Efficiency (AFUE) score, expressed as a percentage. A furnace with an 80% AFUE rating converts 80 cents of every dollar of fuel into actual heat. A 97% AFUE model does nearly double the work per dollar compared to an 80% unit.

   High efficiency furnaces cost more upfront but pay for themselves through lower monthly energy bills. In Toronto’s climate, where your furnace may run for six or more months of the year, the savings add up quickly. Many high efficiency models also qualify for rebates through Enbridge Gas and government programs, which can meaningfully offset the purchase price. 

4. Brand and Model
   Established brands with strong reputations for reliability, parts availability, and warranty support tend to cost more than lesser known alternatives. However, with a furnace, cutting costs on the brand itself is rarely where you want to save money. A furnace is a long term investment that you will rely on for 15 to 20 years.

5. Installation Complexity
   he condition of your existing ductwork, the location of your furnace room, the type of venting required, and whether any upgrades are needed to bring your system up to code all affect what your installer will charge. A straightforward replacement is always going to cost less than a more complex job involving duct modifications or gas line work.

Average Furnace Costs in Toronto

Here is a realistic breakdown of what you can expect to pay for a new furnace in Toronto, including installation.

Standard Efficiency Furnace (80% AFUE):
Equipment typically runs between $1,200 and $2,500. With installation, total costs generally land between $2,500 and $4,000. These units are budget friendly upfront but carry higher ongoing energy costs.

Mid Efficiency Furnace (90 to 95% AFUE):
Equipment ranges from $1,800 to $3,200. Installed, expect to pay between $3,500 and $5,500. A solid middle ground for most homeowners looking to balance upfront cost and energy savings. 

High Efficiency Furnace (96% AFUE and above):
Equipment costs between $2,500 and $4,500 or more. Total installed cost typically falls between $4,500 and $7,500 or higher for premium models. These deliver the best long term value, especially with available rebates.

New furnace prices in Toronto also vary based on time of year. Purchasing during late spring or summer, when demand for installation is lower, can sometimes result in better pricing or faster scheduling.

Installation costs on their own typically range from $500 to $1,500, depending on the complexity of the job. Always ask for a detailed quote that separates equipment and labour so you can compare apples to apples.

 
Furnace Brands and What They Cost

Several well regarded brands are commonly installed in Toronto homes. Here is a general sense of how they stack up.
 

Lennox

Lennox furnace prices in Toronto tend to sit at the higher end of the market, and for good reason. Lennox is known for building some of the most efficient and quiet furnaces available. Their top models reach efficiency ratings as high as 98% AFUE. Homeowners who prioritize long term energy savings and reliability often choose Lennox. Expect to pay a premium for the equipment, but the operating savings and durability make it a worthwhile investment for many.

Carrier

Carrier is a widely trusted name in HVAC with a strong track record in Canadian climates. Their lineup spans a range of price points, from more accessible mid tier models to premium high efficiency units. Carrier furnaces are known for consistent performance and a solid dealer network in Toronto, which matters when it comes to service and parts.

Trane

Trane furnaces are built with durability as a core principle, and they tend to hold up very well over time. Pricing is comparable to Carrier, with higher end models offering strong efficiency ratings. Trane is a popular choice for homeowners who want a unit that will reliably handle Toronto winters for the long haul.

Goodman

Goodman sits at the more affordable end of the spectrum without being low quality. They offer a good range of high efficiency models, and their pricing makes them an attractive option for budget conscious homeowners. Goodman also comes with solid warranty coverage, which helps offset any concerns about choosing a less premium brand. 

High Efficiency Furnace Costs in Toronto

Regardless of brand, high efficiency furnace costs in Toronto are influenced by the same core factors: efficiency rating, capacity, and installation requirements. As a rule of thumb, moving from an 80% to a 97% AFUE unit typically adds $800 to $1,500 to the equipment cost. However, when Enbridge rebates and reduced monthly bills are factored in, the payback period is often shorter than people expect.

Installation and Ongoing Maintenance Costs

Professional Furnace Installation

Hiring a professional furnace installer in Toronto is not just recommended, it is required for most warranty coverage and for compliance with Ontario building codes. A licensed HVAC technician will ensure the unit is installed correctly, vented properly, and tested before they leave your home.

The cost to install a furnace in Toronto generally ranges from $500 to $1,500. Factors that push this cost higher include older homes with outdated ductwork, two storey or large homes requiring more labour, jobs requiring new venting or gas line modifications, and situations where the old unit needs removal and disposal.

Always work with a licensed contractor. Getting two or three quotes is standard practice and a good way to make sure you are getting a fair price. 

Ongoing Maintenance Costs

Once your furnace is installed, the job is not done. Regular maintenance is what keeps it running efficiently and extends its lifespan. Annual furnace tune ups in Toronto typically cost between $100 and $200. A typical service visit includes inspecting and cleaning the heat exchanger, checking the blower motor and belt, testing ignition and safety controls, replacing the air filter, and checking for carbon monoxide leaks.

Neglecting maintenance is one of the most common reasons furnaces fail early. A well maintained furnace can last 20 years or more. One that is ignored may give up in 10 to 12.

Air filters are an easy and inexpensive maintenance item you can handle yourself. Replacing them every one to three months depending on usage keeps airflow strong and reduces strain on the system.

Tips for Saving on Your Furnace Purchase

There are several practical ways to reduce what you spend on a new furnace without compromising on quality.

Take advantage of rebates.
Enbridge Gas offers rebates for upgrading to high efficiency equipment. Federal and provincial programs may also provide incentives. Ask your installer what you qualify for before you commit to a model.

Consider financing options.
Many HVAC companies in Toronto offer financing for furnace purchases. Spreading the cost over time can make a high efficiency model more accessible, and the monthly energy savings can partially offset the payments. Just make sure you understand the interest rate and total cost before signing anything.

Shop in the off season.
Late spring through summer is a slower period for furnace installers. Some companies offer promotional pricing or faster turnaround during these months. If your furnace is limping along but not yet dead, planning ahead and replacing it in summer can save you money.

Get multiple quotes.
Prices for the same equipment can vary between installers. Getting at least two or three quotes gives you a realistic sense of the market and some negotiating leverage. 

Do not skip on efficiency to save upfront.
This is one of those purchases where spending a little more now genuinely pays off. In Toronto’s climate, the difference between an 80% and a 96% efficient furnace translates into real money saved every single winter.

Look for affordable furnace options with strong warranties.
Some mid range brands offer excellent warranty terms that rival premium brands. A 10 year parts warranty on a mid tier model can be a better overall deal than a shorter warranty on a premium unit.

Frequently Asked Questions

How much does a furnace cost in Toronto?
Most homeowners spend between $2,500 and $7,000 for a new furnace including installation, depending on size, efficiency, and complexity.

What affects furnace prices in Toronto?
Prices depend on furnace size, type (gas or electric), efficiency, brand, and installation complexity.

Should I repair or replace my furnace?
If repair cost × furnace age exceeds $5,000 or the system is over 15 years old, replacement is usually the better option.

Is a high efficiency furnace worth the extra cost in Toronto?
Yes, high-efficiency furnaces typically save money over time due to long heating seasons and lower energy use.

Can I get financing for a furnace in Toronto?
Yes, many HVAC companies and programs offer financing and rebate-based payment options.

How long does a furnace last in Toronto?
A well-maintained furnace usually lasts 15–20 years, depending on upkeep and usage.