Furnace Repair or Replace Quiz

Furnace repair or replace quiz scores your furnace’s age, repair cost,
efficiency, and reliability to give you a clear, personalized recommendation in three minutes.
🔧 Scored Recommendation
💰 Cost Comparison
⏱️ 3 Minutes
🔧
Should You Repair or Replace Your Furnace?
Not sure whether to fix or replace your furnace? Answer a few quick questions and we’ll give you a personalized recommendation based on your situation.
How old is your current furnace?
How often has your furnace required service calls in the last few years?
Roughly how much have you spent on repairs in the last 3 years?
Is your furnace currently requiring repairs?
Is your furnace still under warranty?
Has your furnace been red-tagged or had carbon monoxide issues?
Are there any other significant issues with your furnace?
Select all that apply
Do your heating bills seem to have increased over previous heating seasons?
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Should I Repair or Replace My Furnace?

The decision to repair or replace a furnace is one of the most common questions Canadian homeowners face. The answer depends on four key factors: the age of the furnace, the cost of the repair, the efficiency of the current unit, and the frequency of past breakdowns. Our quiz scores each factor and provides a weighted recommendation.

The 5,000 Rule (Industry Standard)

HVAC professionals often use the “5,000 Rule” as a quick guide: multiply your furnace’s age (in years) by the repair cost (in dollars). If the result exceeds $5,000, replacement is generally the more economical choice.
Scenario5,000 Rule ResultRecommendation
8-year-old furnace, $400 repair3,200✓ Repair
15-year-old furnace, $600 repair9,000✗ Replace
12-year-old furnace, $350 repair4,200✓ Repair (borderline)
18-year-old furnace, $800 repair14,400✗ Replace

Signs It’s Time to Replace Your Furnace

📅 Age Over 15 Years
Most furnaces have a lifespan of 15–25 years. After 15 years, efficiency degrades and breakdown frequency increases. Replacement prevents unexpected failures.
🔄 Frequent Repairs
If you’ve paid for two or more significant repairs in the past two years, the pattern will likely continue. Cumulative repair costs often exceed replacement cost
📈 Rising Gas Bills
Unexplained increases in your heating bills despite normal usage often indicate declining furnace efficiency a sign the heat exchanger or combustion system is degrading.
🌡️ Uneven Heating
If some rooms are too hot and others too cold, your furnace may no longer be able to distribute heat effectively a sign of declining capacity or duct issues
🔊 Unusual Noises
Banging, rattling, popping, or squealing often indicate cracked heat exchangers, failing blower motors, or worn belts get fuel-burning appliances inspected annually to catch these early.
⚠️ Yellow Burner Flame
A healthy furnace flame is blue. A yellow or orange flame can indicate excess carbon monoxide production a safety hazard requiring immediate inspection.”

When Repair Makes More Sense

Repair is usually the right choice when your furnace is less than 10 years old, the repair is a minor component (ignitor, pressure switch, thermocouple), the cost is under $500, and your heating bills haven’t been trending upward. A well-maintained furnace can last 20+ years, so protecting that investment with timely repairs makes good financial sense in the early years.

Frequently Asked Questions

How much does furnace repair cost in Canada?

Furnace repairs in Canada typically cost $150–$1,500+, depending on whether it’s a minor fix or a major component like the heat exchanger.

No a cracked heat exchanger is a carbon monoxide safety hazard, and replacing the furnace is almost always the right decision.

No standard home insurance .doesn’t cover furnace breakdown from age or wear, only damage caused by a covered peril like fire or flood.

Heat Pump Rebates Available
Upgrading to a heat pump or hybrid system?
Ontario homeowners may qualify for rebates through the Home Renovation Savings program. Standalone furnace-only replacements are not currently eligible for federal or provincial rebates
$5,000
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