Heating in a Vacuum

Heating a vacuum isn't possible. There is nothing to heat. When referring to "heating a vacuum," we mean heating an object located inside a vacuum. Regardless of the heater type, all vacuum heating is accomplished with radiant heating. Some heater types physically lend themselves more readily to an application than others. The application descriptions below will give you a general idea on how a particular heater type is applied for heating an object inside a vacuum.