Geothermal is Big in Mt. Pleasant! Mt. Pleasant, Pennsylvania, homeowners love geothermal heating and cooling. And why shouldn't they? We've got the ideal soil conditions here. And our seasonal temperature extremes make geothermal installations the right choice for all your heating and cooling comfort year-round. Want to look at how much a geothermal system of your own could save you in Mt. Pleasant? Check out our handy Geothermal Savings Calculator. Then do what so many other Mt. Pleasant residents do. Contact the experts at E & D Company HVAC LLC. We'll help you plan your geothermal system, install it right, and make sure you get the service you need to get the most out of it.