Geothermal Heating & Cooling: Aiken's Choice! To be perfectly honest, let's put it this way: more and more Aiken residents are coming to the same conclusion that geothermal is the most effective heating and cooling choice. And we're helping them realize that. We're WaterFurnace. And we know all about the benefits of geothermal heating and cooling. After all, we've been installing and servicing geothermal systems for a long time. Why are more people switching to geothermal? To start with, Aiken is situated in a region with ideal soil conditions for geothermal installation. We've also got the kind of seasonal temperature highs and lows that let a geothermal system display its year-round comfort capabilities to best effect. Consider the savings, too. Our Geothermal Savings Calculator can give you a ball park figure of what they'd be for your family. Learn more. Contact WaterFurnace, your Aiken, South Carolina geothermal authority.