Geothermal system

A geothermal pump heats and cools your home by using the renewable power of the earth. The units are over 45% more efficient than other standard heating and cooling equipment.

To learn more about how a geothermal system works check out

We offer a rebate for ENERGY STAR® rated geothermal systems up to $1,750.

Rebate requirements:

  • Alliant Energy must provide the electricity for the equipment installed.
  • The equipment must be ENERGY STAR and listed in the current AHRI directory.
  • Must be a new geothermal system including equipment and ground loop. See rebate claim form for types, applications and other qualifications.

The age of your home will determine your rebate. 

  • Homes five years or older are considered existing homes.
  • Homes less than five year old are considered new homes.
Qualifying Unit Existing Home New Home
 ENERGY STAR® system $1,320 rebate $790 rebate
 ENERGY STAR® variable speed system $1,750 rebate $1,050 rebate

Important information:

If locked rotor amps are more than 100, please call 1-800-ALLIANT (800-255-4268) and ask for a field engineering specialist.

How do I find a qualified dealer?

Visit our Dealer Locator to find a professional in your area.