Younges Island, South Carolina, Geothermal Heating & Cooling We're getting the word out in Younges Island, South Carolina: in today's economy, geothermal heating and cooling is absolutely the smart way to go! Ground conditions in Younges Island are perfect. How about our seasonal temperatures? They vary enough in extremes to almost guarantee that geothermal heating and cooling will give you the best year-round satisfaction. You'll also enjoy how much a geothermal system can decrease your energy costs, too. The proof? Our Geothermal Savings Calculator. Contact Custom Climate Heating & Air today. We've got quite a bit more to tell you about the advantages of geothermal heating and cooling in Younges Island. Another great thing, we install and service WaterFurnace geothermal systems, the best on the market.