HVAC · Centennial, CO
How much does furnace replacement cost in Centennial, CO? (2026)
In Centennial, furnace replacement runs $4,700–$8,450, with most paying around $6,600 — about 22% above the national average. Replacing a residential furnace, including the unit and installation labor.
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $6,600
- Typical cost
- $6,600
- Labor vs US
- +7%
- Climate
- Cold
- Local permit
- $225
Refine your estimate
Tune it to your home to narrow the furnace replacement range.
Key takeaways for Centennial
- A furnace replacement in Centennial typically runs $4,700–$8,450, with most homeowners paying about $6,600 — about 22% above the national average.
- Running +7% against the US average, Centennial labor is what moves this price off the national figure.
- A HVAC permit in Centennial runs about $225 — it's already folded into the estimate above.
- Schedule the replacement early — this typically holds up 15–30 years, and an emergency swap costs full price.
- Roughly 5–15% comes off when you book in Spring and fall (Mar–May, Sep–Oct) instead of peak season.
- Federal 25C/25D tax credits and local utility rebates can lower the net cost — see the rebates section below.
What goes into the price in Centennial
A typical Centennial furnace replacement of $6,600 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Centennial 2026 range |
|---|---|
| Materials & equipmentEquipment and supplies, which price out close to the national baseline. | $1,800 – $3,300 |
| Labor & installationInstall crew, removal and startup — the part local rates move most. | $2,675 – $4,925 |
| Permit & feesWhat this city's building department charges for a HVAC permit. | $225 |
| Total installed cost | $4,700 – $8,450 |
Split from the Centennial estimate using a 60% local-labor share; line items sum to the total.
Why furnace replacement costs what it does in Centennial
- Labor in Centennial runs about 7% above the national average (based on price levels for the Denver-Aurora-Centennial metro area), which raises the installed price.
- Centennial's cold climate increases typical furnace replacement cost by about 8% versus a neutral climate.
- Budget about $225 for the local HVAC permit in Centennial — already folded into the estimate above.
Furnace Replacement cost by home size in Centennial
Furnace cost scales with the heating capacity (BTU) your home needs — roughly 40–45 BTU per square foot in a mixed climate. Larger homes need a bigger unit and more ductwork.
| home size | Centennial 2026 range |
|---|---|
| 1,000 sq ft (≈45,000 BTU) | $3,500 – $6,350 |
| 1,500 sq ft (≈68,000 BTU) | $4,100 – $7,300 |
| 2,000 sq ft (≈90,000 BTU) | $4,700 – $8,450 |
| 2,500 sq ft (≈110,000 BTU) | $5,400 – $9,650 |
| 3,000 sq ft (≈130,000 BTU) | $6,100 – $10,800 |
| 3,500+ sq ft (≈150,000 BTU) | $6,800 – $12,000 |
National size ranges localized to Centennial labor and climate.
Furnace Replacement cost by type in Centennial
| Gas furnace | $4,600 – $8,350 |
| High-efficiency gas furnace | $4,100 – $8,350 |
| Electric furnace | $2,600 – $5,500 |
Adjusted to Centennial from national type-level ranges.
Furnace Replacement cost by efficiency in Centennial
Efficiency is measured in AFUE — the percentage of fuel turned into heat. Higher AFUE costs more upfront but cuts fuel bills, and in cold (northern) regions the DOE requires ≥95% AFUE gas furnaces.
| 80% AFUE (standard)Lowest upfront; fine in mild climates | $3,750 – $6,700 |
| 90–95% AFUE (high-efficiency)Best all-round value in most regions | $4,700 – $8,450 |
| 96%+ AFUE (condensing, premium)Lowest fuel bills; required in cold zones | $6,100 – $11,400 |
Labor vs. materials in Centennial
Install crew, removal, permit & startup — the part Centennial rates move most.
Equipment & materials — priced closer to the national level.
Split based on a typical $6,600 Centennial project; your mix varies with scope.
Skilled installers in the Denver-Aurora-Centennial area earn about $35.7/hr (15% above the US average, per BLS metro wage data) — the local wage is what moves the labor half of your furnace replacement cost.
How we estimate it
| National range | $3,800 – $7,000 |
| Centennial labor adjustment | ×1.09 |
| cold climate factor | ×1.08 |
| Local permit | +$225 |
| Centennial estimate | $4,700 – $8,450 |
Promo prices vs. the real cost
Installers advertise low teaser prices to win the visit — keep them separate from the real installed cost above:
- Seasonal tune-up promo$79–$129
- "Free" replacement estimate$0 — it's a sales visit
- Financing offers$0 down · 0% APR, 12–60 mo
- Service call / diagnostic fee$75–$150
Additional furnace replacement costs to budget for
Treat them as possibilities, not certainties — the ones that reach your quote follow your property's age and setup.
| Old furnace removal & disposal | $50 – $330 |
| New ductwork (vs. repair $300–$1,500)Only if ducts are missing or failing | $1,000 – $5,000 |
| Gas line run or upgrade | $250 – $800 |
| Chimney liner (for high-efficiency venting) | $600 – $2,500 |
| Smart thermostat | $150 – $500 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- The furnace unit and burner assembly
- Thermostat connection and system startup/testing
- Removal and disposal of the old unit
- Installation labor and basic ductwork connections
What affects the cost
- Whether a chimney liner or new gas line is required
- Condition of existing ductwork and venting
- Fuel type (gas vs electric) and AFUE efficiency rating
- Heating capacity (BTU) needed for your square footage
Ways to save on furnace replacement in Centennial
- Schedule in the off-season (spring/summer) for better rates
- Get at least 3 quotes — installed prices vary widely
- Right-size the unit; oversizing wastes money and cycles hard
- Look for utility rebates on high-efficiency models
How long does furnace replacement last in Centennial?
Gas furnaces typically last 15–20 years; well-maintained units can reach 30.
An annual tune-up keeps efficiency up and protects the warranty.
Signs you need furnace replacement in Centennial
- The furnace is 15+ years old (near or past its service life)
- Heating bills keep climbing despite no change in usage
- Some rooms are warm while others stay cold (uneven heating)
- Frequent repairs — you've called for service more than once or twice recently
- Banging, rattling or screeching noises on startup
- A yellow or flickering burner flame instead of steady blue (have it checked immediately)
- More dust, dryness, or a stale smell when the heat runs
Repair or replace in Centennial?
Repair if…
- The unit is under ~10 years old and otherwise efficient
- The fix is a single inexpensive part (igniter, flame sensor, capacitor)
- It's still under manufacturer warranty
Replace if…
- It's 15+ years old and needs a major part
- The heat exchanger is cracked (a safety issue — replace, don't repair)
- The repair costs more than about half of a new system
- It's an 80% AFUE unit and your fuel bills are high in a cold climate
Rebates & incentives in Colorado
HEAR closingMost 2026 rebates reward switching to a heat pump, not a like-for-like gas furnace. Replacing a gas furnace, your savings are mainly utility efficiency rebates (high-AFUE models) — but pricing out a heat pump often qualifies you for far larger rebates.
- Colorado Home Energy Rebates (HEAR) ↗Colorado Energy Office
Up to $8,000 toward a heat pump for income-qualifying households, by region.
- Xcel Energy Rebates ↗Xcel Energy
Around $2,000 for a cold-climate heat pump, plus insulation bonuses.
Status: Colorado's HEAR Region 1 (Front Range) closed April 28, 2026; Region 2 accepts applications until about August 1, 2026 or until funds are reserved. Xcel Energy rebates continue.
The federal 25C tax credit (up to $2,000 for heat pumps; $600 for high-efficiency AC or furnaces) and the 25D credit ended December 31, 2025 under the One Big Beautiful Bill Act — neither is available for 2026 installs. The remaining federal help is the IRA Home Electrification & Appliance Rebates (HEAR): up to $8,000 toward a heat pump for households under 150% of area median income, paid at point of sale where a state has launched its program.
Verified July 2026. Rebate budgets deplete and program windows change fast — confirm current amounts and eligibility with your utility and the DSIRE database before you budget. Costadia does not administer these programs.
Cheapest time for furnace replacement in Centennial
Demand for HVAC work falls off a cliff in the shoulder months, and contractors discount to keep their crews booked. Wait for a 100-degree day or a hard freeze, though, and you're paying emergency rates for a system that just quit.
Why furnace replacement quotes vary — and how to compare them fairly
One bid high, one low, same house? The variable is scope. Here's what pushes the figure up or down and how to get quotes you can actually compare.
Why a quote looks high (or low)
- Brand, warranty length and whether startup/commissioning is included all move the number.
- Equipment tier isn't matched — a 14.3 SEER2 bid will always undercut an 18 SEER2 one for the "same" job.
- One quote bundles ductwork, electrical, permit and old-unit removal; another quietly leaves them out.
Get an apples-to-apples bid
- Require an itemized quote splitting equipment, labor, permit and add-ons.
- Confirm old-unit removal, the permit and startup testing are all included.
- Get at least three written bids before you sign.
- Insist on a Manual J load calculation, not a square-footage guess.
Questions to ask Centennial HVAC pros
Quotes only compare cleanly when every bidder is pricing the same work — put these to each of them before you commit.
- 1Did you run a Manual J load calculation to size the system, or estimate from square footage?
- 2What AFUE/SEER2 rating is this unit, and what's the payback vs. the next tier up?
- 3Is removal of the old equipment, the permit, and startup testing included in the quote?
- 4Will my existing ductwork and venting work as-is, or is repair/resizing needed?
- 5What's covered under the labor warranty vs. the manufacturer's parts warranty?
Furnace Replacement in Centennial
How much does furnace replacement cost in Centennial, CO?
Expect to pay $4,700 to $8,450 for furnace replacement in Centennial in 2026 — most quotes cluster around $6,600. The figure is adjusted for local labor rates, cold-climate factors and permit fees.
Is furnace replacement more expensive in Centennial than average?
Why the gap? Centennial prices about 22% higher than the national average, and local labor — indexed at 1.09 against the US average — does most of the work. — the local HVAC permit, about $225, is part of that too.
Do I need a permit for furnace replacement in Centennial?
Expect to pull a HVAC permit in Centennial — about $225 — which is already built into the estimate above, not an extra charge.
What affects furnace replacement cost the most?
In plain terms, replacing a residential furnace, including the unit and installation labor. What should you watch? Equipment or material grade, the home's size and complexity, local labor rates, and your cold climate zone — in roughly that order.
How much should you really budget for HVAC in 2026?
Three factors move an HVAC quote more than anything else: how well it's sized, which efficiency tier you pick, and the brand markup. Our editors break down how they weigh each one.
The efficiency-first case
Where you face brutal summers or hard winters, a higher SEER2/AFUE system or a heat pump runs enough hours to claw back its premium through lower bills — and utility or state rebates can still trim the sticker even though the federal 25C/25D credits closed at the end of 2025. Do the payback arithmetic before you reach for the cheapest box on the lot.
The budget-first case
In a temperate region the smart move is to size the job correctly with a Manual J and take the base efficiency tier. A system that spends most days coasting can't recover the cost of a high-SEER2 compressor, because the savings only show up under heavy load you don't put on it. Match the equipment to how little you actually run it, not to the brochure's top number.
The longevity case
The most expensive variable on the quote isn't the logo — it's whether the system is sized right and installed well. Oversize a premium unit and it short-cycles, wears fast and underperforms; commission a correctly sized mid-tier one and keep up the annual service, and it simply lasts longer. Spend on the installation, not the badge.
The costly errors in an HVAC job are a bad load calculation and a sloppy install — not the logo you chose. Size it with a real Manual J, let your climate set the efficiency tier, and claim whatever rebates you still qualify for.
Editorial analysis by Serhat Özçelik, reviewed by Costadia Editorial. These are our own cost perspectives, not third-party endorsements.
How we calculated this estimate
We start with 2026 national furnace replacement ranges compiled from contractor-pricing sources (Angi, HomeGuide, Fixr and EnergySage averages), then localize them to Centennial using the BLS metro wage data labor index (×1.09 here), the IECC cold-climate factor (×1.08) and a typical local permit fee (≈$225). Federal incentive details reference the IRS Inflation Reduction Act (25C/25D) and DSIRE.
This is a planning estimate, not a quote.Actual prices vary with your home's condition, equipment grade and contractor — always confirm with licensed local pros before budgeting.
References & data sources
Our Centennial furnace replacement estimate is built from these primary, mostly government sources — not a single aggregator.
- Occupational Employment & Wage Statistics (metro wages) — U.S. Bureau of Labor Statistics.Metro-level trade wages behind each city's labor index.
- Regional Price Parities (state & metro) — U.S. Bureau of Economic Analysis.Regional price levels used where metro wage data is unavailable.
- IECC Climate Zones — U.S. DOE — Building Energy Codes Program.Climate-zone factors applied to weather-sensitive projects.
- Home Energy Tax Credits (25C / 25D) — Internal Revenue Service.Federal rebate and tax-credit figures for eligible upgrades.
- Database of State Incentives for Renewables & Efficiency — DSIRE — NC State University.State and utility incentive programs by ZIP code.
Furnace replacement alternatives in Centennial
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Bundling these shares labor and setup — and a single visit.
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