We're the Geothermal Source in Baldwin City! Baldwin City people in the know turn to Ground Source, Inc. for all their geothermal heating and cooling needs. They count on us to provide not only the correct installation and service but also the knowledge to help them maximize the potential from their geothermal systems. Thinking about a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a whirl. Just load it with your data and marvel at the results. Then, contact us, the Baldwin City, Kansas, geothermal professionals at Ground Source, Inc..