Chester Springs Geothermal Heating & Cooling Contractor In Chester Springs, Pennsylvania, the geothermal heating and cooling contractor to call is Brandywine Valley Heating & Air Conditioning. Our geothermal knowledge is second to none. And we offer the finest products on the market in Chester Springs - or anywhere else, for that matter: WaterFurnace geothermal heating and cooling systems! Try our Geothermal Savings Calculator. It'll show you the best reason for going geothermal. The monthly savings are huge! We can explain to you plenty of other good reasons, too. And when you’re ready install? We'll make sure that your WaterFurnace geothermal heating and cooling system is installed - and serviced – right! Contact Brandywine Valley Heating & Air Conditioning today.