Furnace Replacement Cost in Denver, CO (2026)
Cost breakdown
| Item | Low | High |
|---|---|---|
| Furnace unit | $1,850 | $4,000 |
| Labor & installation | $1,100 | $2,400 |
| Venting & gas line | $450 | $950 |
| Thermostat & materials | $300 | $650 |
Cost by fuel type
| fuel type | Low | High |
|---|---|---|
| Gas furnace | $3,700 | $7,950 |
| Electric furnace | $2,650 | $6,350 |
| Oil furnace | $5,300 | $9,550 |
| High-efficiency (95%+ AFUE) | $5,300 | $10,600 |
Top-rated HVAC pros in Denver
Vetted local companies serving Denver, CO. Compare free quotes — no obligation.
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1
Summit Heating & AC
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2
Davey Heating & Air Conditioning
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3
Heatwave Heating & Cooling
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4
The Weather Changers Heating and Air Conditioning
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5
Lifestyle Heating and Cooling
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6
Jump HVAC
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7
Ohh-Zone
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8
D&A Heating and Air
Local companies compiled from public sources. Details shown for reference — always verify licensing before hiring.
Estimate your Furnace Replacement cost
A Furnace Replacement in Denver, CO typically costs between $3,700 and $7,950, with most homeowners paying around $5,850. Costs in Denver run above the national average, driven by local labor rates and permit fees.
Below is a full cost breakdown, a price comparison by fuel type, the factors that move the price in Denver, money-saving tips, and how to hire the right pro. Prices are based on 2025–2026 industry data and updated regularly.
Furnace Replacement in Denver: local factors that affect your cost
Denver sits in “Hail Alley” at high altitude, with intense UV, semi-arid air, and snowy winters. Winters are cold and dry (evaporative “swamp” coolers are traditional), but central AC adoption is rising fast.
City and county permits are required, and altitude-rated materials perform best. For the best pricing, plan for fall or winter after hail season. A local HVAC contractor who knows Denver’s conditions and codes will give you the most accurate quote — request a few below to compare.
What's included in the cost
- The new furnace unit
- Labor, venting, and gas-line connection
- Removal of the old furnace
- New thermostat and permit
What affects the price
- Fuel type (gas, electric, or oil)
- AFUE efficiency rating
- Furnace size (BTU output)
- Venting and gas-line modifications
How to save on Furnace Replacement in Denver
- Buy in the off-season
- Choose the right AFUE for your climate
- Claim high-efficiency tax credits and rebates
- Bundle with AC replacement to save on labor
Get free quotes for Furnace Replacement
Tell us about the job — local, vetted pros will reach out with real prices. No obligation.
How to hire the right pro
- Confirm licensing and insurance
- Ask for correct BTU sizing
- Get AFUE and warranty in writing
- Get multiple itemized bids
Frequently asked questions
How much does a Furnace Replacement cost in Denver?
In Denver, CO, a Furnace Replacement typically costs $3,700 to $7,950 (average about $5,850). Your exact price depends on the specifics below.
Do I need a permit for a Furnace Replacement in Denver?
City and county permits are required, and altitude-rated materials perform best. A licensed local contractor should pull the permit and handle inspections as part of the job.
Cost figures are based on 2025–2026 industry data (HomeGuide, Angi) and adjusted for local labor rates. Actual prices vary by project — get free local quotes for an exact figure.