Looking for a geothermal installer in Ennis, MT? Describe your project once and up to three geothermal installers who work in Ennis and Madison County get back to you with a quote. It's free and there is no obligation.
Ennis is home to about 1,081 people (2024 Census Bureau estimate), a growing community (+17.6% since 2020). With 1,464 people per sq mi, it is a suburban area. Homes with yards and long heating seasons are good candidates for geothermal systems here.
Ennis at a glance
- Population (Census Bureau estimate, 2024)
- 1,081 (+17.6% since 2020)
- Rank in Montana
- 53rd of 126 cities and towns
- Land area
- 0.7 sq mi
- Population density
- 1,464 people per sq mi (suburban)
- Type
- Town (Ennis town)
- Main county
- Madison County
What to check before hiring in Ennis
- Permits: in Montana, 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 Ennis
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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 Ennis
How much does geothermal cost in Ennis, MT?
It depends on the loop, the drilling and the unit. Describe your home: installers who serve Ennis 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 Ennis 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.