Geothermal is Big in Polk County! Polk County, North Carolina, homeowners enjoy geothermal heating and cooling. And why shouldn't they? We've got the ideal soil conditions here. And our fluctuating temperature extremes make geothermal installations an excellent choice for year-round heating and cooling comfort. Want to see how much a geothermal system of your own could lower your monthly costs in Polk County? Check out our handy Geothermal Savings Calculator. Then do what so many other Polk County homeowners do. Contact the experts at Bullman Heating & Air. We'll help you plan your geothermal system, install it right, and make sure you get the service you need to get the most out of it.