Geothermal Heating & Cooling: Aiden's Choice! To be perfectly honest, let's put it this way: more and more Aiden residents are finding out that geothermal is the most effective heating and cooling choice. And we're helping them recognize that. We're D&W Mechanical. And we know all about the perks 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? For starters, Aiden is located in a region with perfect soil 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 ball park figure of what they'd be for your family. Learn more. Contact D&W Mechanical, your Aiden, Michigan geothermal authority.