Furnace Replacement Cost
Replace an old or broken furnace with a new high-efficiency gas, electric, or oil unit.
National Average
Typical range: $2,500 – $6,500
Based on national contractor surveys and RS Means data. Updated 2026-05-01.
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What Affects the Cost of Furnace Replacement?
| Factor | Impact |
|---|---|
| Furnace type (gas, electric, oil) | Can affect total by 10-30% |
| Efficiency rating (AFUE) | Can affect total by 10-30% |
| Home size | Can affect total by 10-30% |
| Ductwork modifications | Can affect total by 10-30% |
| Brand/quality tier | Can affect total by 10-30% |
Project Details
Time to Complete
1-2 days
DIY Possible?
No
Permits Required?
Yes
Why You Shouldn't DIY This
No — hire a licensed professional.
Furnace Replacement requires specialized skills, tools, and often permits. A botched job can cause water damage, structural issues, or safety hazards — costing far more to fix than doing it right the first time. Most jurisdictions require permits for this work. Get 3 quotes from licensed contractors.
Get 3 free quotes from licensed pros →Verify the Work — Tools Every Homeowner Needs
Before hiring (or DIYing), make sure you have the right tools to verify quality work.
HVAC Digital Manifold Gauge
Verify quality, measure, and inspect the work yourself
Thermostat (Ecobee)
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Cost by City
| City | Est. Low | Est. High | Avg |
|---|---|---|---|
| New York, NY | $3,375 | $8,775 | $6,075 |
| Los Angeles, CA | $3,250 | $8,450 | $5,850 |
| Chicago, IL | $2,750 | $7,150 | $4,950 |
| Houston, TX | $2,375 | $6,175 | $4,275 |
| Phoenix, AZ | $2,375 | $6,175 | $4,275 |
See all 20 cities for complete regional pricing.
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Frequently Asked Questions
How much does furnace replacement cost?
The national average for furnace replacement is $4,500 per unit, with a typical range of $2,500 to $6,500. Prices vary by city, contractor, and project complexity.
Can I do furnace replacement myself?
No, this requires professional expertise. Always hire a licensed, insured contractor.
How long does furnace replacement take?
Typical timeline: 1-2 days. This varies based on project size, weather (for exterior work), and contractor availability.
Disclaimer
Cost estimates are based on national averages and regional cost adjustment factors. Actual prices vary by contractor, scope, and local market conditions. Always get multiple quotes before hiring. Product links are affiliate links — we earn a commission at no cost to you.