We're Notus's Primary Geothermal Contractor! Notus, Idaho, homeowners have all sorts of reasons for wanting a geothermal heating and cooling system: exceptional year-round comfort – no matter how crazy 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 maintenance from Idaho Geothermal, LLC, Notus's geothermal professionals. Learn 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 Idaho Geothermal, LLC. We sell, install, and service WaterFurnace geothermal systems, the finest on the market today.