The Geothermal Name to Trust in Lock Haven Forgive the pride, but that would be us: Hepler Geothermal Inc.! Lock Haven, Pennyslvania, homeowners have been looking to us to meet their geothermal heating and cooling needs for a number of years, now. We'd like to earn your trust, too. If you've been thinking of “going geothermal” but have put it off, you can definitely trust us on this: given today's unstable economy, there's never been a better time to discover the savings a geothermal heating and cooling system can provide. Want facts? Do a little simple math with our Geothermal Savings Calculator. Then contact Hepler Geothermal Inc. for the finest geothermal system installation and service in Lock Haven - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a name that resonates in the geothermal industry.