Geothermal Heating & Cooling: Calabash's Choice! To be completely accurate, let's put it this way: more and more Calabash residents are discovering that geothermal is the smarter heating and cooling choice. And we're helping them recognize that. We're J & J Air. And we know all about the benefits of geothermal heating and cooling. After all, we've been putting in and servicing geothermal systems for a long time. Why are more people switching to geothermal? To start with, Calabash is located 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 display its year-round comfort potentiality 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 J & J Air, your Calabash, North Carolina geothermal authority.