Elizabethtown, Pennsylvania, Is Going Geothermal! Gochnauer at Home has absolutely had a hand in that! We're a heating and cooling contractor who’s specialty is installing and servicing geothermal systems right here in Elizabethtown, Pennsylvania. Area homeowners place their confidence in us for ... our professional, knowledgeable staff our proficient geothermal installation and service capabilities the planning assistance and advice we give - to help Elizabethtown customers get the most from their geothermal installations If you've been considering going geothermal, contact Gochnauer at Home today, Elizabethtown's top geothermal contractor. (For a quick overview of the kind savings your family could be getting with a geothermal heating and cooling system, try our handy Geothermal Savings Calculator.)