Ocean Isle Looks to Us for Its Geothermal Needs We’re J & J Air, the recommended "go-to" team for Ocean Isle, North Carolina's geothermal heating and cooling. Ocean Isle residents look to us for ... quality WaterFurnace geothermal heating and cooling systems the best installation and service from highly skilled, highly trained professionals sound advice on how to get more out of their geothermal installations With the economy like it is, there's never been a opportune time to put a WaterFurnace geothermal system to work for you. And we're the professionals to do it in Ocean Isle, North Carolina. Contact J & J Air today. Want to taste and see just how big "going geothermal" could save you on your energy bills? Take a moment or two with our easy Geothermal Savings Calculator.