Step ● Picture of the heating process flow chart (not involved in the form of material) according to the process process.● Calculate the heat required by the process.● The heat and time required for computing the system start.● Heavy painting heating process flow diagram, energy efficient space heate considering the appropriate safety factor, determine the total power of the heater.● The sheath material and power density of the heat generating element are determined.● Determine the form size and quantity of the heater.● Decide the power supply and control system of the heater.