Furnace Replacement Cost in Georgetown, Texas

Expect to pay $3,400 to $8,200 for furnace replacement in Georgetown, TX. Most homeowners end up near $6,000, depending on the equipment tier and how much of the old setup can be reused.
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Georgetown Weather and HVAC Load
NOAA's 1991-2020 climate normals put Georgetown at 1,949 heating degree days and 2,747 cooling degree days per year. Cooling carries most of the load. Heating equipment gets light use, so a furnace here often outlasts the AC it's paired with. Count on roughly 28 nights below 32°F and 112 afternoons past 90°F in a typical year. For a 2,000 sq ft house, this climate points to a heating load somewhere near 35,000 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 | 1,949 |
|---|---|
| Cooling degree days / year | 2,747 |
| Nights at or below 32°F | 28 |
| Days above 90°F | 112 |
| Average low / high | 55.2°F / 79°F |
Georgetown Housing Stock
Census figures put the median build year in Georgetown at 2007, so a typical house here has about 19 years on it. Newer homes are built tighter, so oversized equipment is a common problem. It short-cycles, wastes energy and leaves rooms clammy. Georgetown has roughly 23,000 owner-occupied homes, or 69.4% of households. The median home value is $398,600, and median household income is $91,857. We use both figures to adjust labor and pricing for this page.
Williamson County had 29 hail days and 14 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 4 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. Williamson County also had 3 tornado days in that period. In Georgetown, 28.2% of residents are 65 or older. For older adults, a house with no heat in January or no AC during a heat wave is a medical risk. Mention it when you call, since many companies put those calls first.
When Replacement Makes Sense
- 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
- A repair quote runs past a third of the cost of a new unit
- The furnace is 15 to 20 years old or more
What Moves the Price
- BTU size, which should come from a Manual J load calculation
- Condition of the existing ductwork and any changes it needs
- New PVC venting if you move to a condensing model
- Permit and inspection fees, which the local building department sets
- Single-stage, two-stage or modulating gas valve
- AFUE rating: a basic 80% unit vs. a 96% condensing furnace
We raised the national figures about 5% for Georgetown 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
- Combustion and safety tests
- The new furnace, filter rack and thermostat wiring
- Gas line and vent connections
- Removing and hauling away the old furnace
- The permit and the manufacturer warranty registration
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). Equipment replacements in Georgetown generally need a mechanical permit, and a reputable contractor will pull it for you. Ask for their Texas license or registration number and a certificate of insurance with the quote. 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.
- Ask for the Manual J load calculation in writing. Oversized furnaces are the most common mistake we see.
- Replace it in early fall if you can. A no-heat emergency in January costs more and leaves you fewer choices.
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Furnace Replacement Questions from Georgetown Homeowners
How much is furnace replacement in Georgetown?
Plan on $3,400 to $8,200, with most jobs near $6,000. 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 Georgetown?
Between late fall and early spring. With 112 days over 90°F, Georgetown contractors are booked solid all summer, and off-season jobs are easier to schedule and negotiate.
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 Georgetown
- Round Rock $3,400 to $8,200
- Leander $3,900 to $9,600
- Cedar Park $3,800 to $9,200
- Wichita Falls $2,800 to $6,700
- San Angelo $2,800 to $6,700
- Edinburg $2,500 to $6,000
- Temple $2,800 to $6,900
- Sugar Land $3,700 to $9,000
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Georgetown Lake; NOAA Storm Events Database 2020-2025, Williamson County. Prices are our estimates, not contractor quotes. Updated 2026.