Old furnace and rising heating bills
A furnace over 15 years old, repairs every winter and higher bills.
What you're probably seeing
A furnace over 15 years old, repairs every winter and higher bills.
Likely causes
- Furnaces commonly last around 15 to 20 years.
- Older units waste more fuel and break down more often.
Safe checks you can do now
- Note the furnace age (on the label).
- List recent repairs.
- Think about pairing with a new AC or heat pump.
When to call a pro
You want to compare repair with replacement before winter.
General information about common causes, not a diagnosis of your home.
FAQ
Quick answers
Who fixes old furnace and rising heating bills?
A heating and cooling company. Call (844) 511-3573 to connect with an independent local heating and cooling company.
How much does it typically cost?
New furnace, installed: $3,500–$7,500+; Full HVAC system replacement: $5,000–$11,000 (HomeGuide 2026 national ranges). Your pro sets the real number after seeing the job.
When should I call?
You want to compare repair with replacement before winter.
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