We're the Geothermal Experts in Leland! At O'Brien Service Company, we specialize in WaterFurnace geothermal heating and cooling systems. Leland residents know we provide... the best geothermal systems on the market today top-quality geothermal installation and maintenance the kind of support that helps them realize the complete comfort and energy-savings anticipated from a geothermal system (Our Geothermal Savings Calculator will suggest potential monetary benefits. We think you like what you see!) In Leland, North Carolina, we're unmistakably the geothermal heating and cooling contractor to call. Contact O'Brien Service Company today.