We're Carthage's Primary Geothermal Contractor! Carthage, Mississippi, homeowners have all kinds of reasons for desiring a geothermal heating and cooling system: phenomenal year-round comfort – no matter how crazy the seasonal variations stable operating performance energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – often amazing – savings on their energy bills superior installation and maintenance from BC's Heating and Air, Carthage's geothermal experts. Discover more about what a geothermal heating and cooling system can do to benefit your family's comfort. Look at our Geothermal Savings Calculator. Then contact BC's Heating and Air. We sell, install, and service WaterFurnace geothermal systems, the finest available today.