Southern Lancaster County Looks to Us for Geothermal Heating & Cooling! We're Gochnauer at Home. And we're distinguished throughout Southern Lancaster County, Pennsylvania, for our geothermal heating and cooling expertise. Homeowners turn to us for ... first-class geothermal system installation and service qualified, highly trained personnel who know every aspect of geothermal heating and cooling - and know how to help you understand geothermal systems from one of the industry's most trusted names - WaterFurnace advice on how to maximize the potential from their geothermal heating and cooling installation Obviously, an important reason people turn to us to begin with is for the savings they can get on their energy bills with a geothermal system. Want a look? Give our Geothermal Savings Calculator a go. Then push forward with the next step and contact Gochnauer at Home. We'll show you more of what makes geothermal systems the premium choice for year-round heating and cooling comfort in Southern Lancaster County.