Geothermal is Big in Seneca! Seneca, Kansas, residents love geothermal heating and cooling. And why shouldn't they? We've got the perfect ground conditions here. And our fluctuating temperature extremes make geothermal installations an excellent choice for all your heating and cooling comfort year-round. Want to see how much a geothermal system of your own could save you in Seneca? Check out our handy Geothermal Savings Calculator. Then do what so many other Seneca residents have done. Contact the experts at Ground Source, Inc.. We'll help you plan your geothermal system, install it right, and make sure you get the service you need to get the most out of it.