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What size furnace should I buy?

Square FootageFurnace BTU
1,000-1,200 sq. ft. Home40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home60,000 BTU
1,500-1,800 sq. ft. Home60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home100,000 to 120,000 BTU

The Best Furnaces & Brands to Buy in Canada (2025 Guide)

🏡 Why Choosing the Right Furnace Matters

Over 50% of Canadian homes rely on natural gas furnaces to stay warm, and in the U.S., that number is even higher — more than 80%. So, picking the right furnace isn’t just about comfort. It affects your monthly energy bills, long-term maintenance costs, and the overall air quality in your home.

To help you choose wisely, we’ve reviewed the top furnace brands and models available across Canada in 2025 — based on features, pricing, warranties, efficiency, and user feedback.


🔍 What to Look For in a Furnace

The brand name isn’t the only thing that matters — the model, features, installation quality, and size all play a huge role.

Here’s what really makes a great furnace:

  • High AFUE Rating: Aim for 95% or higher to save on energy bills.
  • Modulating or Two-Stage Burners: These adjust heat output for better comfort and lower noise.
  • Variable-Speed Blower Motor: Improves energy efficiency and keeps air flowing smoothly.
  • Strong Warranty: A good warranty protects you from unexpected repair costs.
  • Price Range: Whether you’re on a tight budget or want top-tier features, pick what’s right for your finances.
  • Smart Features: Wi-Fi compatibility, noise control, and air quality add-ons.
  • Proper Sizing: The furnace should match your home’s size and insulation.
  • Certified Installer: Even the best furnace won’t perform well if it’s installed poorly.
  • Build Quality: Look for stainless steel heat exchangers and durable components.
  • Dealer Reputation: Buy from a trusted local contractor with good reviews and support.

🔧 Tip: If your furnace is 15+ years old, noisy, or needs frequent repairs, it’s probably time to upgrade.


🏆 How We Chose the Best Furnace Brands

We used a combination of real-world data and expert reviews to rank the top furnaces:

  1. Warranty Terms: Strong warranties usually reflect brand confidence.
  2. Technical Specs: Efficiency (AFUE), BTU output, motor type, extra features.
  3. Installer Quality: Brands used by professional, certified HVAC contractors.
  4. User Reviews: We analyzed feedback from Canadian homeowners.
  5. Industry Reputation: What HVAC pros say about each brand.

🔎 Brand Highlights (Simplified Breakdowns)

Amana

  • AFUE: Up to 96%
  • Best For: Strong warranty and premium features
  • Notable Model: AMVM97 with self-adjusting burners
  • Warranty: Lifetime unit replacement + 10-year parts

Carrier

  • AFUE: 80%–98.5%
  • Series: Comfort, Performance, Infinity
  • Best Model: Infinity 98 (up to 98.5% efficiency)
  • Warranty: 10-year parts, 20-year heat exchanger

Lennox

  • AFUE: Up to 99% (SLP99V)
  • Known For: Silent operation and premium features
  • Series: Merit, Elite, Dave Lennox Signature
  • Warranty: 5–10 years parts, up to lifetime on heat exchanger

Daikin

  • AFUE: 80%–98%
  • Best Model: DM97MC
  • Highlight: Strong reliability and low energy bills
    Warranty: Lifetime heat exchanger, 12-year parts

Goodman

  • AFUE: 80%–98%
  • Known For: Budget-friendly and durable
  • Model to Consider: GMVM97 (ComfortBridge tech)
  • Warranty: 10–12 years parts, unit replacement on select models

Napoleon

  • AFUE: Up to 97%
  • Made In: Ontario, Canada 🇨🇦
  • Best Model: 9700 Series (Wi-Fi, Whisper Quiet)
  • Warranty: 10-year parts, up to 15 years heat exchanger

Trane

  • AFUE: Up to 97.3%
  • Best Model: S9X2 or S9V2
  • Known For: Build quality and quiet operation
  • Warranty: 10-year parts, 20-year exchanger

🛠 Best Furnaces by Budget

💲 Budget-Friendly

Brand/ModelAFUEPriceFeatures
York LX TM9E95%$3,000–$3,800Single-stage, compact, diagnostics
Goodman GMVC9696%$3,800–$4,700Two-stage, variable-speed
Comfortmaker QuietComfort96%$3,600–$4,300Quiet, efficient, two-stage

💰 High-End Models

Brand/ModelAFUEPriceTop Features
Lennox SLP99V99%$5,100–$7,500SilentComfort™, variable-speed
Carrier Infinity 59MN798.5%$4,500–$6,000Ideal Humidity System™, communicating
Bryant Evolution 986T96.7%$4,600–$6,000Perfect Humidity™, diagnostics
American Standard S9V2-VS97%$5,700–$7,000Vortica blower, ENERGY STAR® certified

💡 Most Efficient Furnaces in 2025

Brand/ModelAFUE Rating
Lennox SLP99V99%
Carrier Infinity 9898.5%
Goodman GMVM9798%
Daikin DM97MC98%
Amana AMVM9798%
KeepRite Ion 98 – G97CMN98%
Rheem Prestige R98V98.7%

Higher AFUE = lower heating bills and better comfort.


❓ How to Know If Your Furnace is Efficient?

  • Check AFUE Rating: Look for 95% or higher
  • Look for ENERGY STAR® label
  • Compare energy bills: Spikes = inefficiency
  • Age > 15 years? Likely time to upgrade
  • Frequent repairs or uneven heating? Another red flag

🔧 Getting the Most From Your Furnace

Buying the right furnace is step one. Getting it installed by a certified, local HVAC pro is step two — and just as important.

At FurnacePrices.com, we help you:

  • Match with trusted local installers
  • Compare quotes
  • Register warranties
  • Access government rebates

📦 Bonus: Warranties That Actually Protect You

Look for furnaces that offer:

  • 10–12 year parts warranty
  • Lifetime or 20-year heat exchanger coverage
  • Optional unit replacement guarantee
  • Labour warranty from the contractor

📌 Make sure your installer registers your furnace within 60–90 days to lock in extended warranty coverage.


🤔 Still Not Sure Which Furnace to Choose?

Take our Furnace Finder Quiz — it’s fast, free, and recommends models based on your home’s size, location, and budget.


🔍 FAQs

What’s a modulating furnace?

A modulating furnace adjusts heat output in tiny steps — giving you precise, consistent temperature control and higher efficiency.

What does variable-speed mean?

The blower motor adjusts fan speed gradually for quieter, smoother heating and energy savings.

Is buying better than renting?

Yes — furnace rentals cost more over time. Buying is almost always the smarter financial move.

How long do furnaces last?

Most last 15–25 years with proper maintenance.


🛍 Ready to Buy a New Furnace?

We’ve made it easy.
📍 Find top-rated furnace models
📍 Get matched with certified local contractors
📍 Access rebate info and expert guides

👉 Visit FurnacePrices.com to get started today.

Hans Vaillancourt
Hans Vaillancourt
Articles: 39