Looking for a geothermal installer in Fontana-on-Geneva Lake, WI? Describe your project once and up to three geothermal installers who work in Fontana-on-Geneva Lake and Walworth County get back to you with a quote. It's free and there is no obligation.
Fontana-on-Geneva Lake is home to about 1,861 people (2024 Census Bureau estimate), a stable community (−0.7% since 2020). With 554 people per sq mi, it is a semi-rural area. Homes with yards and long heating seasons are good candidates for geothermal systems here.
Fontana-on-Geneva Lake at a glance
- Population (Census Bureau estimate, 2024)
- 1,861 (−0.7% since 2020)
- Rank in Wisconsin
- 269th of 607 cities and towns
- Land area
- 3.4 sq mi
- Population density
- 554 people per sq mi (semi-rural)
- Type
- Village (Fontana-on-Geneva Lake village)
- Main county
- Walworth County
What to check before hiring in Fontana-on-Geneva Lake
- Permits: in Wisconsin, vertical loops may need a well or drilling permit in addition to the mechanical permit.
- Design: ask for a load calculation and loop design.
- Incentives: check current utility and state programs.
- Price drivers: loop type and length, drilling conditions and the unit.
Useful official resources
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U.S. Department of Energy: geothermal heat pumps
Official information and guidance.
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ENERGY STAR
Official information and guidance.
Services available in Fontana-on-Geneva Lake
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Geothermal heat pump system
Design and installation of a ground-source heat pump with vertical or horizontal loops.
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Geothermal repair or replacement
Repair or replacement of the heat pump unit on an existing loop.
Frequently asked questions in Fontana-on-Geneva Lake
How much does geothermal cost in Fontana-on-Geneva Lake, WI?
It depends on the loop, the drilling and the unit. Describe your home: installers who serve Fontana-on-Geneva Lake reply with a quote.
How long does installation take?
Often one to two weeks, including loops.
Will my yard be torn up?
Temporarily; ask about restoration.
Which geothermal installers will contact me?
Up to three independent geothermal installers who serve Fontana-on-Geneva Lake and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.