We're Centerburg's Primary Geothermal Contractor! Centerburg, Ohio, homeowners have all sorts of reasons for wanting a geothermal heating and cooling system: exceptional year-round comfort – no matter how crazy the weather variations smooth operating performance energy efficiency (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – often amazing – savings on their energy bills superior installation and service from Westin Air, Centerburg's geothermal experts. Learn more about what a geothermal heating and cooling system can do to improve your family's comfort. Look at our Geothermal Savings Calculator. Then contact Westin Air. We sell, install, and maintain WaterFurnace geothermal systems, the very best in the industry today.