Martinsburg Looks to Us for Geothermal Heating & Cooling! We're Bragg Mechanical and Geothermal Services. And we're recognized throughout Martinsburg, West Virginia, for our geothermal heating and cooling expertise. People turn to us for ... superior geothermal system installation and service experienced, highly trained personnel who understand every detail of geothermal heating and cooling - and know how to effectively communicate the process to you geothermal systems from one of the industry's most established names - WaterFurnace professional instructions on how to maximize the potential from their geothermal heating and cooling installation Obviously, a major reason people turn to us in the first place is for the savings they can appreciate on their energy bills with a geothermal system. Want a snap shot? Give our Geothermal Savings Calculator a go. Then take the next step and contact Bragg Mechanical and Geothermal Services. We'll show you more of what makes geothermal systems the premium choice for year-round heating and cooling comfort in Martinsburg.