The Geothermal Name to Trust in Prince Georges Forgive the over confidence, but that would be us: Ground Loop Heating & Air Conditioning, Inc! Prince Georges, Maryland, residents have been turning to us to satisfy their geothermal heating and cooling needs for a number of years, now. We'd like to gain your confidence, as well. If you've been thinking of “going geothermal” but have put it off, you can certainly trust us on this: given today's unstable economy, there's never been a better time to discover the savings a geothermal heating and cooling system can provide. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact Ground Loop Heating & Air Conditioning, Inc for the finest geothermal system installation and service in Prince Georges - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a brand that resonates in the geothermal industry.