Geothermal Heating & Cooling: Jasper's Choice! To be perfectly accurate, let's put it this way: more and more Jasper residents are finding out that geothermal is the smarter heating and cooling choice. And we're helping them see that. We're Hulsman Refrigeration, Inc.. And we know all about the advantages of geothermal heating and cooling. After all, we've been putting in and maintaining geothermal systems for years. What makes geothermal a no-brainer here? To start with, Jasper is situated in an area with ideal soil conditions for geothermal installation. We've also got the kind of changing temperature highs and lows that let a geothermal system show off its year-round comfort capabilities to best effect. Think about the savings, too. Our Geothermal Savings Calculator can provide you with a ball park figure of what they'd be for your family. Learn more. Contact Hulsman Refrigeration, Inc., your Jasper, Indiana geothermal authority.