Greensboro Looks to Us for Geothermal Heating & Cooling! We're Crabbe Service. And we're known throughout Greensboro, North Carolina, for our geothermal heating and cooling expertise. Residents look to us for ... superior geothermal system installation and service experienced, highly trained personnel who know every aspect of geothermal heating and cooling - and know how to help you understand advice on how to maximize the potential from their geothermal heating and cooling installation Obviously, an important reason people look to us to begin with 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 push forward with the next step and contact Crabbe Service. We'll show you more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Greensboro.