We're Hughesville's Primary Geothermal Contractor! Hughesville, Pennsylvania, residents have all sorts of reasons for desiring a geothermal heating and cooling system: phenomenal year-round comfort – no matter how extreme the seasonal variations smooth operating performance energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – sometimes extraordinary – savings on their energy bills noteworthy installation and service from Hepler Geothermal Inc., Hughesville's geothermal experts. Find out more about what a geothermal heating and cooling system can do to increase your family's comfort. Look at our Geothermal Savings Calculator. Then contact Hepler Geothermal Inc.. We sell, install, and maintain WaterFurnace geothermal systems, the very best on the market today.