Geothermal Heating & Cooling: Appleton's Choice! To be perfectly honest, let's put it this way: more and more Appleton residents are finding out that geothermal is the most effective heating and cooling choice. And we're helping them see that. We're Van's Refrigeration. And we understand all about the benefits of geothermal heating and cooling. After all, we've been putting in and maintaining geothermal systems for years. Why are more people switching to geothermal? To start with, Appleton is situated in an area with ideal soil conditions for geothermal installation. We've also got the kind of seasonal temperature extremes that let a geothermal system demonstrate its year-round comfort capabilities to best effect. Think about the savings, too. Our Geothermal Savings Calculator can give you a good idea of what they'd be for your family. Learn more. Contact Van's Refrigeration, your Appleton, Wisconsin geothermal authority.