We're the Geothermal Source in Brownsburg! Brownsburg homeowners in the know turn to Bassett Services Inc. for all their geothermal heating and cooling needs. They trust us to give not only the proper installation and service but also the insight 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 try. Just enter your data and marvel at the results. Then, contact us, the Brownsburg, Indiana, geothermal experts at Bassett Services Inc..