Furnace Replacement Cost Calculator
Estimate the cost of replacing your furnace based on home size, efficiency level, and installation options.
Last updated: March 25, 2026
Furnace Replacement Cost Calculator
Estimate the cost of replacing your furnace based on home size, efficiency level, and installation options.
Estimated Total
$4,410
Itemized Breakdown
This calculator provides estimates based on national averages adjusted for your region. Actual costs may vary significantly based on specific project conditions, contractor availability, material prices, and local market factors. Always get at least 3 quotes from licensed, insured contractors before starting your project.
Want the full picture?
Read our complete Furnace Replacement cost guide with material comparisons, contractor tips, savings strategies, and regional pricing data.
Quick Cost Reference
Cost by Tier
80% AFUE single-stage gas furnace, basic brand (Goodman or Amana), direct replacement with existing ductwork and venting
90-95% AFUE two-stage gas furnace, mid-tier brand (Rheem, Trane, or Carrier), standard installation with smart thermostat
97-98% AFUE modulating variable-speed gas furnace, premium brand (Lennox or American Standard), with zoning controls and whole-house humidifier