Thank You!

Thank you for your membership with Iowa Geothermal Association. This membership is for October 1 to September 30, 2024.

If you have any questions about the IGA or your membership please contact


Thank you for your membership and welcome to the Iowa Geothermal Association. Visit our website often for resources and event notifications.

Contractor Members:

  • Please review your listing on the IGA contractor directory. Send corrections or updates to or mail corrections to the association office.
  • Logos may be added to your directory listing for $50. Email your logo to using the subject line “Contractor Logo.”
  • If you do not want your company listed, please contact the Association office by email at or by mail to Iowa Geothermal Association, P.O. Box 65233, West Des Moines, IA 50265.