Summerville Looks to Us for Geothermal Heating & Cooling! We're Custom Climate Heating & Air. And we're known throughout Summerville, South 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 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 get the most from their geothermal heating and cooling installation Obviously, a major reason people look to us in the first place is for the savings they can appreciate on their energy bills with a geothermal system. Want a preview? Give our Geothermal Savings Calculator a go. Then take the next step and contact Custom Climate Heating & Air. We'll walk you through more of what makes geothermal systems the premium choice for year-round heating and cooling comfort in Summerville.