Independent and unbiased 2026 pricing data
HouseProjectCalc

Furnace Replacement Cost Calculator

A furnace is the heart of a heating system. Use the calculator to estimate your replacement cost by type, then read what drives the price.

Estimate your cost

Based on national average pricing.

Estimated cost range

$3,000$8,000

BudgetTypicalPremium

An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. These figures are 2026 national-average placeholders for planning only. Your actual price depends on your specific project and local market. Get written quotes from licensed contractors before you budget.

Quote too high? DIY your furnace replacement

Amazon picks · Sponsored

A contractor quote is mostly labor. If that estimate felt steep, here is the exact gear to tackle this job yourself. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Goodman 100,000 BTU 80% Gas Furnace
Goodman Goodman 100,000 BTU 80% Gas Furnace

$1,507.00

Single-stage upflow/horizontal furnace for whole-home heating.

View on Amazon
Aerostar 16x25x1 MERV 8 Filters (6 Pack)
Aerostar Aerostar 16x25x1 MERV 8 Filters (6 Pack)

$31.19

Six-pack of pleated filters to keep a new furnace running clean.

View on Amazon
Google Nest Smart Thermostat
Google Google Nest Smart Thermostat

$99.99

Programmable Wi-Fi thermostat to pair with the new furnace.

View on Amazon
First Alert Plug-In Carbon Monoxide Detector
First Alert First Alert Plug-In Carbon Monoxide Detector

$23.99

Plug-in CO alarm with battery backup, a must near gas appliances.

View on Amazon

Free, no obligation

Get matched with local furnace replacement pros

Tell us about your project and we will help you get free quotes from vetted contractors in your area.

By clicking the button below, I agree that HouseProjectCalc and up to four home-improvement providers matched to my project may contact me at the phone number and email I provided, including by automated telephone dialing system, prerecorded voice, text message, and email, about my project, even if my number is on a Do Not Call list. Consent is not a condition of any purchase. Message and data rates may apply. I have read and agree to the Privacy Policy and Terms of Use.

Secure form. We only share your details with pros you ask to be matched with. See our Privacy Policy.

Furnace Replacement cost breakdown

At a mid-range, national-average baseline, a typical furnace replacement project is estimated at $3,000 to $8,000. The table below breaks the cost down so you can see where your project is likely to land.

Furnace replacement cost by type (2026 estimate, installed)
Furnace type Typical installed cost Notes
Electric $2,000 to $5,000 Lower upfront
Gas (mid-efficiency) $3,000 to $7,000 Most common
Gas (high-efficiency) $5,000 to $10,000 90%+ AFUE
Oil $4,000 to $9,000 Where gas is unavailable

What drives furnace replacement cost

  • Furnace type: electric, gas, or oil.
  • Efficiency rating (AFUE).
  • Furnace size for the home.
  • Like-for-like versus new ducts or fuel conversion.
  • Regional labor rates and permits.

Key cost factors

Efficiency pays back

A high-efficiency (90%+ AFUE) furnace costs more upfront but lowers heating bills, which matters most in cold climates with long heating seasons.

Swap vs ductwork

Replacing a furnace with the same type is the cheapest. Adding or replacing ductwork, or converting fuel types, raises the cost significantly.

Frequently asked questions

How much does a furnace replacement cost in 2026?

A furnace replacement costs about $3,000 to $8,000 installed. Electric is cheapest, mid-efficiency gas runs $3,000 to $7,000, and high-efficiency gas $5,000 to $10,000.

How long does a furnace last?

A well-maintained furnace lasts 15 to 20 years. Once it needs major repairs near the end of that range, replacement usually makes more financial sense.

Furnace Replacement cost by city

See localized furnace replacement estimates for major US metros.

Related cost calculators