Elstein SHTS super high temperature heaters were developed to increase the previous maximum possible surface rating of ceramic panel heaters from 64 kW/ m² to 77 kW/ m².

The SHTS heaters, produced using the hollow casting ceramic process, are filled with thermal insulation material and have a special black glaze and a gold-plated back. At an operating temperature of 900 °C, over 75 % of the electrical energy supplied is transferred to the material to be heated as medium to long-wave IR radiation.