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
- Category hub
- AC Repair
- Furnace Replacement
- Heat Pump Installation
- HVAC Replacement calculator
- AC Repair calculator
- Furnace Replacement calculator
- Heat Pump Installation calculator
- AC Not Cooling
- Furnace Not Heating
- AC Repair vs Replacement
- Furnace Repair vs Replacement
- Heat Pump vs Furnace
- HVAC Replacement cost guide
- HVAC Maintenance
- AC Not Cooling Checklist: Filters, Thermostats, and Repair Triggers
- Furnace Not Heating Checklist: Thermostat, Filters, and Safety Stops
- HVAC Maintenance Checklist: Filters, Coils, and Seasonal Tun-Ups
- Gas Furnace
- Central Air Conditioner
- Air-Source Heat Pump
- Compare repair vs replace
- Common home problems
- Maintenance cost guides
- Home cost blog
- State cost factors
- National cost bands
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 internal model notes (not invented third-party citations)—see the bands page for published low/typical/high frames.
Cost year: 2026 rate book · Data version: hca-national-model-v1 · Last reviewed: June 15, 2026