Home What Is Geothermal? Find A Contractor Geothermal Incentives Legislative/Regulatory About Board Members Renew / Join Log In Code of Ethics IGSHPA Certified Contact Us 2021 Iowa Geothermal Conference Postponed to 2022 Please check back later for details. 2020 Conference Photos 2020 Exhibitors Thank You 2020 GOLD Exhibitors Thank You 2020 SILVER Exhibitors Thank You 2020 Sponsors