The Geothermal Name to Trust in Marysville Forgive the pride, but that would be us: Ground Source, Inc.! Marysville, Kansas, residents have been turning to us to satisfy their geothermal heating and cooling needs for years, now. We'd like to gain your trust, too. If you've been wanting to "go geothermal" but have been holding off, you can certainly trust us on this: given today's shifting economy, there's never been a better time to find out the savings a geothermal heating and cooling system can provide. Want facts? Do a little simple math with our Geothermal Savings Calculator. Then contact Ground Source, Inc. for the finest geothermal system installation and service in Marysville - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a brand that resounds in the geothermal industry.