Geothermal is Big in Caldwell! Caldwell, Idaho, homeowners enjoy geothermal heating and cooling. And why shouldn't they? We've got the ideal ground conditions here. And our seasonal temperature extremes make geothermal installations the right choice for all your heating and cooling comfort year-round. Want to find out how much a geothermal system of your own could lower your monthly costs in Caldwell? Check out our handy Geothermal Savings Calculator. Then do what so many other Caldwell homeowners have done. Contact the experts at Idaho Geothermal, 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.