Florida's tropical to humid subtropical climate creates extreme cooling load — exactly where ground-source heat pumps deliver dramatic year-round savings versus conventional air-source AC. The state has 32 verified geothermal contractors. Even after the federal §25D residential credit was terminated by the One Big Beautiful Bill Act (P.L. 119-21) on December 31, 2025, FPL and Duke Energy Florida rebates plus the §48 commercial credit keep ground-source compelling — particularly given Florida's elevated electricity rates and air-conditioning energy intensity.
- 32 verified contractors
- 27 cities covered
- ★ 4.9 avg rating (10,914 reviews)
- 5 WaterFurnace dealers
Top Florida cities for geothermal contractors
Coverage spans the Miami metro (Miami, Fort Lauderdale, West Palm Beach), Tampa Bay (Tampa, St. Petersburg, Clearwater), Orlando and Central Florida, Jacksonville and the First Coast, the Panhandle (Pensacola, Tallahassee), and the Treasure Coast. Florida's sandy soils and abundant water access make it one of the most loop-flexible markets in the country — horizontal, vertical, and pond loops all work.
Featured Florida geothermal contractors
The contractors below are Florida's highest-rated on Geothermal Finder, ranked by review volume then overall rating.
Florida geothermal incentives in 2026
The federal §25D Residential Clean Energy Credit was terminated for new residential expenditures completed after December 31, 2025 by the One Big Beautiful Bill Act (P.L. 119-21). 2025 installations carry forward via IRS Form 5695. Florida utility rebates carry the residential incentive load:
- Florida Power & Light (FPL) — On Call program and energy efficiency rebates for high-efficiency electric HVAC including ground-source. FPL covers most of southern, eastern, and southwestern Florida.
- Duke Energy Florida — central and northern Florida service territory; energy efficiency rebates for qualifying ground-source equipment.
- TECO (Tampa Electric) — Tampa Bay area; rebate program for residential heat pump installations.
- Florida municipal electric utilities — Orlando Utilities Commission (OUC), JEA Jacksonville, Lakeland Electric, Gainesville Regional Utilities, etc. — many offer rebates for high-efficiency electric heating-cooling.
- Florida Renewable Energy Property Tax Exemption — Florida Statute §193.624 provides property-tax exemption for renewable energy source devices including some geothermal applications. Verify with your county property appraiser.
- Federal §48 commercial credit remains active through 2034 with phase-down; widely used in third-party-owned residential leases.
For state-by-state matrix see geothermal rebates by state, and use our geothermal tax credit calculator.
Florida climate and ground conditions
Florida is tropical (Köppen Aw, southern Florida) and humid subtropical (Cfa, central and northern Florida) with extreme cooling load year-round and modest winter heating. This profile is where ground-source's cooling efficiency advantage is largest — air-source AC derates 10–20% in 95°F+ humid Florida summers while ground-source maintains COP 4.5–5+. Ground temperatures at typical loop depth stay around 70–75°F across most of Florida.
Florida sits on Floridan Aquifer limestone with sandy surficial deposits — drilling encounters water shallowly across most of the state. Pond loops are particularly cost-effective on Florida properties given abundant fresh water access. Open-loop systems are also viable where high-yield wells are feasible. Horizontal loops work well on rural and exurban lots given sandy soil. Coastal areas need careful consideration of saltwater intrusion potential. South Florida limestone (Miami-Dade) requires experienced drillers familiar with karst conditions.
Florida permits, licensing, and inspections
Florida Department of Environmental Protection (FDEP) regulates well construction. Closed-loop geothermal drillers must hold a Florida licensed water well contractor certification. HVAC contractors require a Florida Class A or B Air-Conditioning Contractor license issued by the Department of Business and Professional Regulation (DBPR). Local building permits cover the indoor unit and electrical service. For permit specifics see our geothermal permit lookup.
Frequently asked questions
How much does geothermal cost in Florida?
A typical 3-ton residential system in Florida runs $18,000 to $30,000 installed. Florida's sandy soils and shallow water table favor cost-effective horizontal and pond loops. Pond loops can run as low as $15,000–$22,000 on suitable properties. Utility rebates (FPL, Duke FL, TECO, municipal utilities) reduce out-of-pocket cost. Federal §25D no longer applies to 2026 residential installations.
Is geothermal worth it in Florida given the cooling-only profile?
Yes — and the cooling-only load is exactly why. Ground-source heat pumps maintain COP 4.5–5+ year-round in 70–75°F Florida ground temperatures, while air-source AC derates significantly in 95°F+ humid Florida summers. Annual cooling cost reduction of 30–50% versus conventional AC is typical, and Florida's elevated electricity rates make the economics compelling.
Vertical, horizontal, or pond loops in Florida?
Pond loops are highly cost-effective on Florida properties with adequate water access (HOA pond, retention pond, lake, or canal). Horizontal loops work on rural and exurban lots given sandy soil. Vertical bores are common in dense urban areas but encounter shallow water — drillers must grout carefully. South Florida limestone karst requires experienced drillers. An IGSHPA-trained designer matches loop type to lot and water access.
Is Florida geothermal exempt from property tax?
Florida Statute §193.624 provides a property-tax exemption for renewable energy source devices that has been interpreted by some county property appraisers to include qualifying geothermal heat pump systems. Application requirements vary by county. Verify with your county property appraiser before relying on the exemption for budget planning.
Do I need a permit for geothermal in Florida?
Yes. Closed-loop and open-loop installations require an FDEP-licensed water well contractor, a Florida Class A or B Air-Conditioning Contractor license (DBPR), and a local building permit covering the indoor unit and electrical service. Reputable Florida contractors handle the full permit pull.