Fairfield County Looks to Us for Geothermal Heating & Cooling! We're Fairfield Heating & Cooling. And we're distinguished throughout Fairfield County, Ohio, for our geothermal heating and cooling knowledge. Homeowners turn to us for ... first-class geothermal system installation and service experienced, highly trained personnel who understand every aspect of geothermal heating and cooling - and know how to effectively communicate the process to you advice on how to maximize the potential from their geothermal heating and cooling installation Obviously, a significant reason people look to us in the first place 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 take the next step and contact Fairfield Heating & Cooling. We'll walk you through more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Fairfield County.