Geothermal Heating & Cooling: Lancaster's Choice! To be completely accurate, let's put it this way: more and more Lancaster residents are discovering that geothermal is the smarter heating and cooling choice. And we're helping them see that. We're Ground Loop Heating & Air Conditioning, Inc. And we know all about the advantages of geothermal heating and cooling. After all, we've been putting in and maintaining geothermal systems for a long time. What makes geothermal a no-brainer here? To start with, Lancaster is situated in an area with ideal ground conditions for geothermal installation. We've also got the kind of fluctuating temperature extremes that let a geothermal system demonstrate its year-round comfort capabilities to best effect. Consider the savings, too. Our Geothermal Savings Calculator can give you a ball park figure of what they'd be for your family. Learn more. Contact Ground Loop Heating & Air Conditioning, Inc, your Lancaster, Pennsylvania geothermal authority.