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Furnace Replacement Cost Calculator (2026)
Estimate furnace replacement cost by fuel type and state, then request local HVAC pricing.
Last updated: 2026-10-25 · How we calculate · Data: U.S. Census, BLS, EIA, DOE · Report an error · Project checklist
Calculate your furnace replacement cost
Estimated installed cost
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Planning estimate only, not a contractor quote.
Already have a contractor quote?
Paste the total and we will show where it sits in the typical range.
Get local installer pricing
Leave your ZIP and we may connect you with a licensed local provider. No obligation.
Read the full Furnace Replacement Cost cost guide →
What to do next
- Verify the contractor. Ask for the licence number and insurance certificate — check them with your state or county.
- Get three written quotes. Use the project checklist to compare scope, permits and disposal.
- Check the quote. Paste a contractor's total into the quote checker above and see where it sits in the typical range.
CostBrick is an information and referral service. We do not perform work, set prices, or guarantee any provider's work.
What drives the price
Cost depends on furnace type (gas, electric, oil, high-efficiency condensing), BTU capacity, venting, ductwork condition, thermostat and code upgrades such as combustion air.
Cost by state
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming District of Columbia
FAQ
How much does furnace replacement cost?
A gas furnace runs $3,000–$8,000 installed; high-efficiency condensing units are $5,000–$10,000. Ductwork changes add $2,000–$6,000.
How long does a furnace last?
Typically 15–20 years with annual maintenance.
Do high-efficiency furnaces cost more?
Yes, but they reduce gas use; payback depends on climate and gas prices.
Related calculators
All home calculators →How we make money: this site is free. When you request local pricing we may share your request with licensed local providers and may receive a referral fee. Consent is optional and never required to see an estimate.