THERMOPROZESS heat treatment units are compact, portable units that include the power source and the necessary devices for the implementation of the measurement, control and register. They have proven themselves under difficult conditions on construction sites and in factories. The low-cost ECO-units in its outputs of 48 kW, 60 kW, 72 kW, 84 kW, 108 kW and 144 kW have secondary output voltages of 0V, 30V and 65V. This makes the ECO series the ideal solution for easy and fast post weld heat treatment (PWHT) and pre-heatings. The units are characterized by ease of use, versatility and reliability and they are on the state of the art. THERMOPROZESS heat treatment units can be used in all areas of heat treatment.