| Square Footage | Furnace BTU |
|---|---|
| 1,000-1,200 sq. ft. Home | 40,000 - 60,000 BTU |
| 1,200-1,500 sq. ft. Home | 60,000 BTU |
| 1,500-1,800 sq. ft. Home | 60,000 - 80,000 BTU |
| 1,800-2,500 sq. ft. Home | 80,000 - 100,000 BTU |
| 2,500-3,500 sq. ft. Home | 100,000 to 120,000 BTU |
Thinking of buying a new furnace or replacing your old one? You’re in the right place.
Furnaces are a big investment, and choosing the right one can feel overwhelming. From pricing and efficiency to brand and fuel type — there’s a lot to consider. This guide will help you understand everything in simple terms, so you can make the right decision for your home and your wallet.
Table Of Content
The average cost to buy and install a new high-efficiency gas furnace in Canada ranges between $4,000 and $6,500. But prices vary depending on several things:
💡 Pro tip: Always get a free in-home quote from a licensed HVAC contractor for an accurate estimate.
Try our easy quiz to find out which furnace is best for your home, your budget, and your comfort needs.
There are many reliable furnace brands in Canada. Most offer good quality, but a few stand out:
👉 See our guide on the Best Furnace Brands to compare pros and cons.
One of the biggest concerns for homeowners is reliability — but it’s not just about the brand.
In fact, the quality of installation matters just as much as the brand. Make sure you choose a certified, experienced company that offers at least a 1-year labour warranty, holds valid licenses, and has a solid reputation.
Here are some signs it’s time to upgrade:
If your furnace is over 15–20 years old, it may no longer run efficiently. Older models often operate at only 50–60% efficiency — meaning nearly half of your heating costs are wasted.
New ENERGY STAR® furnaces (95%+ AFUE) use less energy and save you money over time.
If you’re constantly fixing your furnace, it may be cheaper long-term to replace it — and enjoy the savings on your energy bill.
Most furnaces last 10–15 years, but with regular care, they can go beyond 20 years. Still, replacing an older system can often be more cost-effective than paying for ongoing repairs.
Furnaces heat your home by pushing warm air through ducts. In Canada, forced-air natural gas furnaces are the most common.
Newer models include:
For top performance, consider a variable-speed or modulating furnace. For budget-conscious options, single or two-stage models still work great.
📈 Bonus: High-efficiency furnaces can increase home resale value.
Even just lowering your thermostat by 1°C can cut heating costs by up to 2%.
👉 Heat pumps are also gaining popularity — efficient for both heating and cooling without burning fuel.
ENERGY STAR furnaces meet strict Canadian energy standards:
These models save money, reduce emissions, and are better for the environment.
Warranty terms vary by brand and model. Some offer:
🎯 Always register your furnace within 60–90 days after installation to activate the warranty.
And don’t forget: many contractors also provide labour warranty (usually 1 year or more).
You may qualify for:
Check our latest rebates & deals page to see what you qualify for.
Modern add-ons can improve indoor air quality:
These extras are especially useful for homes with allergies, asthma, or dry winters.
Zoned heating lets you control the temperature in different parts of the house independently. Great for large homes or families with different comfort needs.
While it costs more to install, it can reduce long-term heating bills and improve comfort.
BTU rating (British Thermal Units) tells you how powerful the furnace is — but it’s not the only thing that matters.
A proper estimate considers:
🎯 A certified HVAC expert can do a full assessment and recommend the ideal furnace for your home.
Let us help you compare brands, get quotes, and find the perfect high-efficiency furnace for your home and budget.
👉 Visit FurnacePrices.com to get started.
