Geothermal Heating & Cooling: Rensselaer's Choice! To be perfectly accurate, let's put it this way: more and more Rensselaer residents are finding out that geothermal is the most effective heating and cooling choice. And we're helping them see that. We're Korschot's Heating and Air. And we understand all about the advantages of geothermal heating and cooling. After all, we've been putting in and maintaining geothermal systems for a long time. Why are more people switching to geothermal? To start with, Rensselaer is located in a region with ideal ground conditions for geothermal installation. We've also got the kind of changing temperature highs and lows that let a geothermal system demonstrate its year-round comfort potentiality 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 Korschot's Heating and Air, your Rensselaer, Indiana geothermal authority.