Geothermal Heating & Cooling: Ithica's Choice! To be perfectly honest, let's put it this way: more and more Ithica 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 S&J Heating and Insulation, Inc.. 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. What makes geothermal a no-brainer here? To start with, Ithica is situated 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 display its year-round comfort capabilities to best effect. Consider the savings, too. Our Geothermal Savings Calculator can provide you with a good idea of what they'd be for your family. Learn more. Contact S&J Heating and Insulation, Inc., your Ithica, Michigan geothermal authority.