Medina Looks to Us for Geothermal Heating & Cooling! We're Sisler Heating & Cooling, Inc.. And we're recognized throughout Medina, Ohio, for our geothermal heating and cooling expertise. Homeowners look to us for ... first-class geothermal system installation and service qualified, highly trained personnel who know every detail of geothermal heating and cooling - and know how to help you understand geothermal systems from one of the industry's most established names - WaterFurnace recommendation 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 snap shot? Give our Geothermal Savings Calculator a go. Then push forward with the next step and contact Sisler Heating & Cooling, Inc.. We'll walk you through more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Medina.