HVAC · Centennial, CO
How much does full HVAC system replacement cost in Centennial, CO? (2026)
In Centennial, full HVAC system replacement runs $9,350–$17,350, with most paying around $13,350 — about 16% above the national average. Replacing the complete HVAC system — furnace plus central AC or heat pump — together.
Updated June 2026 · Localized estimate, not a quote
Most homeowners pay around $13,350
- Typical cost
- $13,350
- Labor vs US
- +7%
- Climate
- Cold
- Local permit
- $225
Refine your estimate
Tune it to your home to narrow the full HVAC system replacement range.
Key takeaways for Centennial
- In Centennial, full HVAC system replacement runs $9,350–$17,350 — call it $13,350 for a typical job, about 16% above the national average.
- Labor is the swing factor here: Centennial trades bill +7% relative to the national average.
- Set aside roughly $225 for the permit; that's already part of the range above, not an add-on.
- Expect 15–20 years of service, so planning a replacement beats a full-price emergency call.
- Roughly 5–15% comes off when you book in Spring and fall (Mar–May, Sep–Oct) instead of peak season.
- Federal 25C/25D credits plus utility rebates sit below and can shave the final bill; the estimate here is pre-incentive.
What goes into the price in Centennial
A typical Centennial full HVAC system replacement of $13,350 breaks down roughly like this — materials priced near the national level, labor set by local rates.
| Line item | Centennial 2026 range |
|---|---|
| Materials & equipmentHardware and supplies for the job; national pricing applies almost everywhere you go. | $3,650 – $6,850 |
| Labor & installationRemoval, install and startup labor — the line most affected by where you live. | $5,475 – $10,275 |
| Permit & feesTypical local HVAC permit, scaled to this metro. | $225 |
| Total installed cost | $9,350 – $17,350 |
Split from the Centennial estimate using a 60% local-labor share; line items sum to the total.
Why full HVAC system 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.
- Because Centennial sits in a cold climate zone, full HVAC system replacement costs run about 5% higher than a neutral-climate baseline.
- Centennial's HVAC permit runs roughly $225, which is already part of the number above.
Full HVAC System Replacement cost by home size in Centennial
A full system (furnace + AC, or a heat pump + air handler) is sized to the whole home. Replacing both together costs more upfront but shares labor, permits, and a single install visit.
| home size | Centennial 2026 range |
|---|---|
| 1,000–1,500 sq ft | $8,200 – $13,950 |
| 1,500–2,000 sq ft | $9,350 – $16,200 |
| 2,000–2,500 sq ft | $11,100 – $19,100 |
| 2,500–3,000 sq ft | $12,800 – $21,950 |
| 3,000+ sq ft | $15,100 – $25,350 |
National size ranges localized to Centennial labor and climate.
Full HVAC System Replacement cost by type in Centennial
| AC + gas furnace (split system) | $8,250 – $15,100 |
| Heat pump system (air-source) | $9,950 – $18,550 |
| Dual-fuel (hybrid heat pump + furnace) | $11,650 – $20,850 |
Adjusted to Centennial from national type-level ranges.
Full HVAC System Replacement cost by efficiency in Centennial
A matched system performs better than mismatched parts. Pick one efficiency tier across both units that suits your climate rather than over-buying on one side.
| Standard (80% AFUE + 14.3 SEER2)Lowest upfront cost | $8,200 – $13,950 |
| High-efficiency (96% AFUE + 16 SEER2)Best long-run value | $10,500 – $18,500 |
| Premium / heat-pump systemTop efficiency + electrification | $13,950 – $25,350 |
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 $13,350 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 full HVAC system replacement cost.
How we estimate it
| National range | $8,000 – $15,000 |
| Centennial labor adjustment | ×1.09 |
| cold climate factor | ×1.05 |
| Local permit | +$225 |
| Centennial estimate | $9,350 – $17,350 |
Promo prices vs. the real cost
Ads for HVAC work often lead with a number that has little to do with a finished install. The figures below are what that number actually buys:
- Service call / diagnostic fee$75–$150
- "Free" replacement estimate$0 — it's a sales visit
- Seasonal tune-up promo$79–$129
- Financing offers$0 down · 0% APR, 12–60 mo
Additional full HVAC system replacement costs to budget for
None of these are a given. What you actually pay hinges on the condition of the current system and how hard the site is to work in.
| Removal of both old units | $100 – $600 |
| Ductwork repair or replacement | $1,000 – $6,000 |
| Gas line / electrical work | $250 – $1,200 |
| Zoning system | $1,700 – $4,500 |
| Smart thermostat | $150 – $500 |
Typical national add-on ranges; confirm locally during your quote.
What's included
- Thermostat, startup and balancing
- Full removal of the old system
- Furnace/air handler and AC or heat pump
- Ductwork inspection and connections
What affects the cost
- Zoning and smart-thermostat add-ons
- Whether you choose AC + furnace or a heat pump system
- Total capacity and efficiency tier
- Extent of ductwork repair or replacement
Ways to save on full HVAC system replacement in Centennial
- Avoid premium 'comfort' add-ons you won't use
- Replacing both units together cuts duplicate labor
- Stack state and utility rebates where offered
- Stick to one efficiency tier that fits your climate
How long does full HVAC system replacement last in Centennial?
A matched system replaced together tends to last 15–20 years with maintenance.
Service both the heating and cooling sides yearly.
Signs you need full HVAC system replacement in Centennial
- Both the furnace and AC are near end of life
- Your current units are mismatched in age or capacity
- A major repair is due on either unit (replace both to match)
- You're switching fuels or electrifying the whole home
- Comfort and bills have both gotten worse
Repair or replace in Centennial?
Repair if…
- Only one unit is failing and the other is nearly new
- The fault is minor and under warranty
Replace if…
- Both units are 12+ years old
- A compressor or heat exchanger has failed
- You want a matched, higher-efficiency system
Rebates & incentives in Colorado
HEAR closingThe largest 2026 HVAC incentives target heat pumps; other equipment mainly qualifies for utility efficiency 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 full HVAC system replacement in Centennial
Why spring and fall are cheaper: contractors have open calendar space and compete harder for the work. Why summer and deep winter are expensive: a broken system in extreme weather isn't optional, so you lose your negotiating leverage.
Why full HVAC system replacement quotes vary — and how to compare them fairly
Big gaps between bids come down to scope far more often than greed. This breaks down the levers and how to force a like-for-like comparison.
Why a quote looks high (or low)
- 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.
- Sizing was guessed from square footage instead of a Manual J load calculation, so the equipment is wrong.
Get an apples-to-apples bid
- Get at least three written bids before you sign.
- Insist on a Manual J load calculation, not a square-footage guess.
- Ask every bidder for the same SEER2/AFUE rating so you compare like for like.
- Require an itemized quote splitting equipment, labor, permit and add-ons.
Questions to ask Centennial HVAC pros
Level the field before you choose — ask each bidder the same questions and watch how the answers differ.
- 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?
Full HVAC System Replacement in Centennial
How much does full HVAC system replacement cost in Centennial, CO?
full HVAC system replacement in Centennial runs $9,350–$17,350 as of 2026, with $13,350 the figure most homeowners actually land on. We localize this using Centennial's labor rates, cold-climate adjustments and permit fees — no separate math needed.
Is full HVAC system replacement more expensive in Centennial than average?
Why the gap? Centennial prices about 16% 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 full HVAC system replacement in Centennial?
Budget about $225 for the HVAC permit most Centennial jobs like this require — and note it already sits inside the estimate above, not on top of it.
What affects full HVAC system replacement cost the most?
Start with the fundamentals — replacing the complete HVAC system — furnace plus central AC or heat pump — together. Expect equipment/material grade, home size and complexity, local labor rates and the cold climate zone to matter most here.
How much should you really budget for HVAC in 2026?
Ask five contractors for an HVAC quote and you'll get five different numbers — usually because they disagree on sizing, efficiency and equipment tier. Here's how our editors think through those trade-offs.
The longevity case
The single biggest cost driver isn't the brand — it's correct sizing and install quality. A properly sized, well-commissioned mid-tier system with annual maintenance outlasts an oversized premium unit that short-cycles. Spend on the install, not the badge.
The budget-first case
Size the system to your home with a Manual J calculation and buy the standard efficiency tier (80% AFUE / 14.3 SEER2). In a mild climate the cheaper unit pays off because you rarely run it hard — paying for premium efficiency you won't use is the most common way to overspend.
The efficiency-first case
High runtime changes the math. In a demanding climate the extra efficiency of a heat pump or a top-tier SEER2/AFUE unit gets paid back month after month on the utility bill, and state and utility incentives can shave the upfront figure further now that the federal 25C/25D credits have expired. Price the lifetime bills, not just the tag, before you default down.
Get the sizing and the commissioning right and the brand debate mostly disappears. Insist on a Manual J, pick an efficiency tier your climate can justify, and pocket every incentive that still applies after the federal credits lapsed.
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 full HVAC system 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 (×1.05) 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 full HVAC system 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.
Full HVAC system replacement alternatives in Centennial
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A full HVAC system replacement rarely happens in isolation — these projects commonly come up alongside it.
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