We're Ralston's Primary Geothermal Contractor! Ralston, Nebraska, residents have all sorts of reasons for desiring a geothermal heating and cooling system: remarkable year-round comfort – no matter how extreme the seasonal variations stable operating performance energy performance (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – sometimes outstanding – savings on their energy bills superior installation and service from Getzschman Heating & Air Conditioning, Ralston's geothermal experts. Find out more about what a geothermal heating and cooling system can do to increase your family's comfort. Check out our Geothermal Savings Calculator. Then contact Getzschman Heating & Air Conditioning. We sell, install, and maintain WaterFurnace geothermal systems, the very best on the market today.