Furnace Replacement Cost in Clermont, Florida
Expect to pay $3,000 to $7,200 for furnace replacement in Clermont, FL. Most homeowners end up near $5,300, depending on the equipment tier and how much of the old setup can be reused.
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Clermont Weather and HVAC Load
Clermont logs 539 heating degree days and 3,711 cooling degree days in a normal year, based on the closest NOAA weather station. Cooling carries most of the load. Heating equipment gets light use, so a furnace here often outlasts the AC it's paired with. On average, Clermont gets 3 freezing nights and 113 days above 90°F per year.
| Heating degree days / year | 539 |
|---|---|
| Cooling degree days / year | 3,711 |
| Nights at or below 32°F | 3 |
| Days above 90°F | 113 |
| Average low / high | 63°F / 84.3°F |
Clermont Housing Stock
Half the homes in Clermont were built before 2005 (Census ACS median), so the typical house is about 21 years old. Newer homes are built tighter, so oversized equipment is a common problem. It short-cycles, wastes energy and leaves rooms clammy. About 12,000 households here own their home, 68.4% of the occupied total. Homes here have a median value of $368,600 and households a median income of $79,789. Those two numbers drive the labor adjustment in our estimate.
Between 2020 and 2025, NOAA's Storm Events Database logged 7 hail days and 12 days with damaging thunderstorm winds in Lake County. The largest hail reported was 2.75 inches across. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost. Lake County also had 3 tornado days in that period. In Clermont, 24.7% 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
- The furnace is 15 to 20 years old or more
- Some rooms stay cold, the burner short-cycles, or the ignitor keeps failing
- A tech found a cracked heat exchanger, or the CO detector has gone off
- Gas or electric bills keep climbing even though usage hasn't changed
What Moves the Price
- Condition of the existing ductwork and any changes it needs
- Single-stage, two-stage or modulating gas valve
- BTU size, which should come from a Manual J load calculation
- Permit and inspection fees, which the local building department sets
- New PVC venting if you move to a condensing model
- AFUE rating: a basic 80% unit vs. a 96% condensing furnace
For Clermont we lowered the national figures about 8%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- Removing and hauling away the old furnace
- The new furnace, filter rack and thermostat wiring
- Gas line and vent connections
- The permit and the manufacturer warranty registration
- Combustion and safety tests
Florida Permits, Efficiency Rules and Rebates
Florida 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). Expect the contractor to pull a mechanical permit for a replacement job in Clermont. If a bidder suggests skipping it, move on. Also ask for a Florida 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
- Replace it in early fall if you can. A no-heat emergency in January costs more and leaves you fewer choices.
- Ask for the Manual J load calculation in writing. Oversized furnaces are the most common mistake we see.
- Make sure all three quotes are for the same AFUE and staging, or you can't compare them.
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Furnace Replacement Questions from Clermont Homeowners
How much is furnace replacement in Clermont?
Plan on $3,000 to $7,200, with most jobs near $5,300. 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 Clermont?
Between late fall and early spring. With 113 days over 90°F, Clermont contractors are booked solid all summer, and off-season jobs are easier to schedule and negotiate.
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.
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.
Furnace Replacement Near Clermont
- Horizon West $3,600 to $8,700
- Ocoee $3,100 to $7,500
- Four Corners $2,800 to $6,900
- Country Club $2,800 to $6,900
- Fort Pierce $2,400 to $5,900
- Tamiami $3,100 to $7,500
- Coral Gables $3,900 to $9,500
- Kendale Lakes $2,900 to $7,000
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Clermont; NOAA Storm Events Database 2020-2025, Lake County. Prices are our estimates, not contractor quotes. Updated 2026.