Geothermal Heating & Cooling: Charlestown's Choice! To be perfectly accurate, let's put it this way: more and more Charlestown residents are discovering that geothermal is the most effective heating and cooling choice. And we're helping them recognize that. We're Bragg Mechanical and Geothermal Services. And we understand all about the benefits of geothermal heating and cooling. After all, we've been putting in and maintaining geothermal systems for years. Why are more people switching to geothermal? To start with, Charlestown is located in a region with perfect soil conditions for geothermal installation. We've also got the kind of fluctuating temperature extremes that let a geothermal system demonstrate its year-round comfort potentiality to best effect. Consider the savings, too. Our Geothermal Savings Calculator can provide you with a good idea of what they'd be for your family. Learn more. Contact Bragg Mechanical and Geothermal Services, your Charlestown, West Virginia geothermal authority.