Gas Furnace Cost Guide
Mid- to high-efficiency gas furnace equipment as part of a forced-air system replacement. Installed planning ranges below assume furnace-only changeout within a broader HVAC project context.
Gas Furnace national planning range
Typical unit: per unit
- Low
- $3,000
- Typical
- $5,500
- High
- $9,000
Cost factors for gas furnace
- AFUE efficiency tier
- BTU capacity match to home load
- Venting material updates
- Gas line sizing and shutoff upgrades
- Permit and inspection requirements
Other hvac replacement materials
Related resources
Methodology & estimate disclaimer
Home Cost Atlas estimates are planning ranges based on national material and labor benchmarks, regional cost multipliers, and common project factors. They are not contractor quotes.
Actual costs vary by location, home condition, material availability, permits, and project complexity. Read our methodology, the national cost bands table, editorial policy, and disclaimer. Planning provenance uses the internal model and, where listed, public datasets for context—not invented third-party bid averages.
Cost year: 2026 rate book · Data version: hca-national-model-v1 · Last reviewed: June 15, 2026