Furnace Replacement Cost in Killeen, Texas
Furnace replacement in Killeen runs about $4,800 for a typical job. Basic installs start near $2,700. High-efficiency equipment with duct or electrical work can reach $6,600.
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Killeen Weather and HVAC Load
NOAA's 1991-2020 climate normals put Killeen at 2,072 heating degree days and 2,682 cooling degree days per year. Neither season dominates in Killeen. That balance is a big reason heat pumps and dual-fuel systems sell well in Texas. A normal year brings 31 nights at or below freezing and 105 days over 90°F. For a 2,000 sq ft house, this climate points to a heating load somewhere near 40,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 2,072 |
|---|---|
| Cooling degree days / year | 2,682 |
| Nights at or below 32°F | 31 |
| Days above 90°F | 105 |
| Average low / high | 55.1°F / 78.1°F |
Killeen Housing Stock
Half the homes in Killeen were built before 1995 (Census ACS median), so the typical house is about 31 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Killeen has roughly 29,000 owner-occupied homes, or 48.6% of households. Homes here have a median value of $196,000 and households a median income of $58,339. Those two numbers drive the labor adjustment in our estimate.
NOAA storm reports for Bell County show 31 hail days and 22 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 5.68 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. Bell County also had 6 tornado days in that period.
When Replacement Makes Sense
- A tech found a cracked heat exchanger, or the CO detector has gone off
- A repair quote runs past a third of the cost of a new unit
- Gas or electric bills keep climbing even though usage hasn't changed
- Some rooms stay cold, the burner short-cycles, or the ignitor keeps failing
What Moves the Price
- Condition of the existing ductwork and any changes it needs
- Single-stage, two-stage or modulating gas valve
- Permit and inspection fees, which the local building department sets
- BTU size, which should come from a Manual J load calculation
- AFUE rating: a basic 80% unit vs. a 96% condensing furnace
- New PVC venting if you move to a condensing model
We lowered the national figures about 15% for Killeen using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- The new furnace, filter rack and thermostat wiring
- Combustion and safety tests
- The permit and the manufacturer warranty registration
- Gas line and vent connections
- Removing and hauling away the old furnace
Texas Permits, Efficiency Rules and Rebates
Texas is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up). Plan on a mechanical permit for most replacements in Killeen; the contractor normally pulls it. Before you sign, ask each bidder for their Texas license or registration number and proof of insurance. The federal 25C tax credit ended for equipment installed after December 31, 2025, so incentives now come mostly from utilities and state programs. Check your electric and gas utility's rebate page before you pick equipment.
Before You Hire
- Look up utility rebates on 95%+ AFUE units before you buy.
- Make sure all three quotes are for the same AFUE and staging, or you can't compare them.
- Ask for the Manual J load calculation in writing. Oversized furnaces are the most common mistake we see.
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Furnace Replacement Questions from Killeen Homeowners
How much is furnace replacement in Killeen?
Plan on $2,700 to $6,600, with most jobs near $4,800. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule furnace replacement in Killeen?
In spring or fall. Those are the slow months between heating and cooling season in Killeen.
Is a high-efficiency furnace worth it?
In cold climates, a 95%+ AFUE furnace usually earns back the price difference in lower gas bills. Where winters are mild, the payback can take a very long time.
How long does a furnace replacement take?
A straight swap is usually done in one day, somewhere between 4 and 10 hours. Moving to a condensing furnace with new PVC venting can add a few more.
Furnace Replacement Near Killeen
- Temple $2,800 to $6,900
- Denton $3,100 to $7,700
- Mesquite $2,900 to $7,200
- Brownsville $2,400 to $5,800
- Pasadena $2,600 to $6,400
- Amarillo $3,100 to $7,500
- McAllen $2,500 to $6,100
- Grand Prairie $3,100 to $7,500
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Killeen; NOAA Storm Events Database 2020-2025, Bell County. Prices are our estimates, not contractor quotes. Updated 2026.