HVAC System Replacement Cost in Kissimmee, Florida
Expect to pay $9,100 to $19,900 for full HVAC system replacement in Kissimmee, FL. Most homeowners end up near $15,000, depending on the equipment tier and how much of the old setup can be reused.
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Kissimmee Weather and HVAC Load
In a normal year, Kissimmee racks up 592 heating and 3,343 cooling degree days (NOAA 1991-2020 normals). Cooling carries most of the load, which is why compressors and condenser fan motors wear out faster here than in northern cities. Count on roughly 3 nights below 32°F and 108 afternoons past 90°F in a typical year.
| Heating degree days / year | 592 |
|---|---|
| Cooling degree days / year | 3,343 |
| Nights at or below 32°F | 3 |
| Days above 90°F | 108 |
| Average low / high | 62.2°F / 82.8°F |
Kissimmee Housing Stock
The median Kissimmee home dates to 1992, according to the Census ACS. That makes the typical house about 34 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Owners live in 48.1% of occupied homes, roughly 13,000 households. With a median household income of $51,277 and a median home value of $273,900, local labor rates come out below the national middle in our model.
NOAA storm reports for Osceola County show 8 hail days and 5 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 1.75 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. Osceola County also had 2 tornado days in that period.
When Replacement Makes Sense
- Some rooms are uncomfortable, and the energy bills are high
- Both the heating and cooling equipment are 15 years old or more
- Both units keep needing repairs
What Moves the Price
- Duct repair or replacement
- Permits and electrical work
- Efficiency ratings: SEER2, AFUE and HSPF2
- Furnace plus AC, or heat pump plus air handler
- Equipment sized to the house and climate
- Thermostat and zoning upgrades
For Kissimmee we raised 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
- Startup, testing and warranty registration
- Removing the old equipment
- A load calculation and system design
- Duct connections and sealing
- New, matched heating and cooling equipment
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 Kissimmee. 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
- Get one quote for a heat pump system and one for a furnace plus AC.
- Make every bidder quote the same efficiency ratings, or the prices won't compare.
- Ask for a duct leakage test. Leaky ducts can lose 20 to 30% of what the system puts out.
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HVAC System Replacement Questions from Kissimmee Homeowners
How much is full HVAC system replacement in Kissimmee?
Plan on $9,100 to $19,900, with most jobs near $15,000. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule full HVAC system replacement in Kissimmee?
Between late fall and early spring. With 108 days over 90°F, Kissimmee contractors are booked solid all summer, and off-season jobs are easier to schedule and negotiate.
How often should an HVAC system be replaced?
Most systems get replaced every 15 to 20 years. AC units and heat pumps usually wear out before gas furnaces do.
Can I replace only the AC and keep my furnace?
Yes, as long as the indoor coil and blower work with the new AC. A mismatched system loses efficiency and can void the warranty.
HVAC System Replacement Near Kissimmee
- St. Cloud $10,200 to $22,300
- Homestead $10,200 to $22,100
- Doral $11,900 to $26,000
- Daytona Beach $8,800 to $19,100
- Miami Beach $11,300 to $24,700
- Town 'n' Country $10,100 to $22,000
- Boynton Beach $10,300 to $22,400
- Melbourne $9,600 to $20,900
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Kissimmee; NOAA Storm Events Database 2020-2025, Osceola County. Prices are our estimates, not contractor quotes. Updated 2026.