We're Norfork's Primary Geothermal Contractor! Norfork, Arizona, homeowners have all sorts of reasons for wanting a geothermal heating and cooling system: phenomenal year-round comfort – no matter how extreme the weather variations smooth operating efficiency energy efficiency (They’d be hard-pressed to find a more "green," more natural way to heat and cool their homes!) significant – sometimes amazing – savings on their energy bills premium installation and maintenance from Custom Heating & Cooling Inc., Norfork's geothermal professionals. Discover 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 Custom Heating & Cooling Inc.. We sell, install, and service WaterFurnace geothermal systems, the very best available today.