Geothermal Heating & Cooling: Seabrook Island's Choice! To be completely accurate, let's put it this way: more and more Seabrook Island residents are coming to the same conclusion that geothermal is the smarter heating and cooling choice. And we're helping them realize that. We're Custom Climate Heating & Air. And we understand all about the benefits of geothermal heating and cooling. After all, we've been putting in and servicing geothermal systems for years. What makes geothermal a no-brainer here? To start with, Seabrook Island is located in a region 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, as well. Our Geothermal Savings Calculator can give you a good idea of what they'd be for your family. Learn more. Contact Custom Climate Heating & Air, your Seabrook Island, South Carolina geothermal authority.