We're Malvern's Primary Geothermal Contractor! Malvern, Pennsylvania, residents have all kinds of reasons for wanting a geothermal heating and cooling system: exceptional year-round comfort – no matter how extreme the seasonal variations smooth operating performance energy performance (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 noteworthy installation and maintenance from Brandywine Valley Heating & Air Conditioning, Malvern's geothermal professionals. Learn more about what a geothermal heating and cooling system can do to increase your family's comfort. Check out our Geothermal Savings Calculator. Then contact Brandywine Valley Heating & Air Conditioning. We sell, install, and service WaterFurnace geothermal systems, the finest in the industry today.