Southern Maryland Looks to Us for Geothermal Heating & Cooling! We're Continental Services. And we're known throughout Southern Maryland, Maryland, for our geothermal heating and cooling knowledge. 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 effectively communicate the process to you geothermal systems from one of the industry's most credible names - WaterFurnace advice on how to get the most from their geothermal heating and cooling installation Of course, a significant reason people turn to us in the first place is for the savings they can get 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 Continental Services. We'll walk you through more of what makes geothermal systems the optimum choice for year-round heating and cooling comfort in Southern Maryland.