We're the Geothermal Source in Mount Pleasant! Mount Pleasant people in the know turn to Custom Climate Heating & Air for all their geothermal heating and cooling needs. They count on us to provide not only the proper installation and service but also the knowledge to help them maximize the potential from their geothermal systems. Considering a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a try. Just fill-in your data and marvel at the results. Then, contact us, the Mount Pleasant, South Carolina, geothermal experts at Custom Climate Heating & Air.