Wayne County, Ohio, Is Going Geothermal! Sisler Heating & Cooling, Inc. has obviously had a hand in that! We're a heating and cooling contractor who’s specialty is installing and servicing geothermal systems right here in Wayne County, Ohio. Area homeowners trust us for ... our professional, knowledgeable staff our proficient geothermal installation and service capabilities the planning assistance and advice we give - to help Wayne County customers get the most from their geothermal installations geothermal heating and cooling systems from the most recognized name in the business: WaterFurnace If you've been thinking of going geothermal, contact Sisler Heating & Cooling, Inc. today, Wayne County's first-choice 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.)