Geothermal Heating & Cooling: Dauphin County's Choice! To be perfectly accurate, let's put it this way: more and more Dauphin County residents are discovering that geothermal is the most effective heating and cooling choice. And we're helping them recognize that. We're Gochnauer at Home. And we know all about the perks of geothermal heating and cooling. After all, we've been installing and servicing geothermal systems for years. What makes geothermal a no-brainer here? To start with, Dauphin County is located in a region with perfect ground conditions for geothermal installation. We've also got the kind of seasonal temperature highs and lows that let a geothermal system display its year-round comfort potentiality to best effect. Think about the savings, too. Our Geothermal Savings Calculator can provide you with a ball park figure of what they'd be for your family. Learn more. Contact Gochnauer at Home, your Dauphin County, Pennsylvania geothermal authority.