We're Montezuma's Primary Geothermal Contractor! Montezuma, Iowa, residents have all sorts of reasons for wanting a geothermal heating and cooling system: exceptional comfort all year – no matter how extreme the seasonal variations stable operating performance energy performance (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – sometimes outstanding – savings on their energy bills premium installation and service from Latcham Enterprises, Montezuma's geothermal experts. Find out more about what a geothermal heating and cooling system can do to benefit your family's comfort. Check out our Geothermal Savings Calculator. Then contact Latcham Enterprises. We sell, install, and service WaterFurnace geothermal systems, the finest available today.