We're Abilene's Primary Geothermal Contractor! Abilene, Texas, residents have all sorts of reasons for wanting a geothermal heating and cooling system: phenomenal year-round comfort – no matter how extreme the weather variations stable operating efficiency energy efficiency (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – sometimes amazing – savings on their energy bills superior installation and maintenance from Southwest Air Conditioning, Abilene's geothermal experts. Find out 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 Southwest Air Conditioning. We sell, install, and maintain WaterFurnace geothermal systems, the finest in the industry today.