We're Glengary's Primary Geothermal Contractor! Glengary, West Virginia, residents have all kinds of reasons for wanting a geothermal heating and cooling system: remarkable year-round comfort – no matter how crazy the seasonal variations stable operating performance energy efficiency (They would look forever to find a more "green," more natural way to heat and cool their homes!) significant – often amazing – savings on their energy bills superior installation and maintenance from Bragg Mechanical and Geothermal Services, Glengary's geothermal experts. Find out more about what a geothermal heating and cooling system can do to benefit your family's comfort. Check out our Geothermal Savings Calculator. Then contact Bragg Mechanical and Geothermal Services. We sell, install, and service WaterFurnace geothermal systems, the very best available today.