Geothermal Heating & Cooling: Clear Lake's Choice! To be perfectly honest, let's put it this way: more and more Clear Lake residents are finding out that geothermal is the smarter heating and cooling choice. And we're helping them recognize that. We're Geothermal Concept. And we know all about the perks of geothermal heating and cooling. After all, we've been installing and maintaining geothermal systems for a long time. Why are more people switching to geothermal? For starters, Clear Lake is situated in an area with perfect ground conditions for geothermal installation. We've also got the kind of seasonal temperature highs and lows that let a geothermal system show off its year-round comfort potentiality 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 Geothermal Concept, your Clear Lake, Minnesota geothermal authority.