Exton Looks to Us for Geothermal Heating & Cooling! We're Brandywine Valley Heating & Air Conditioning. And we're distinguished throughout Exton, Pennsylvania, for our geothermal heating and cooling expertise. Residents turn to us for ... superior geothermal system installation and service qualified, highly trained personnel who understand every aspect of geothermal heating and cooling - and know how to effectively communicate the process to you geothermal systems from one of the industry's most credible names - WaterFurnace advice on how to get the most from their geothermal heating and cooling installation Of course, a significant reason people turn to us to begin with is for the savings they can realize on their energy bills with a geothermal system. Want a look? Give our Geothermal Savings Calculator a go. Then take the next step and contact Brandywine Valley Heating & Air Conditioning. We'll walk you through more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Exton.