Tutco is the world’s largest supplier of open coil heating elements. We produce 35,000 to 38,000 heaters a day to meet the demands of our OEM customers. Leading the heating industry, and the world, in heating innovation, Tutco holds 80% of the U.S. Patents in open coil heating technology. Tutco heating components can be found in countless commercial applications, including refrigeration, HVAC, appliance, lab equipment and vending.