DHE offers an Industrial air heaters are designed to withstand the toughest conditions of the industrial air processing environment. They are designed to withstand dirt, vibration, and contamination. An industrial air heater utilizes an open coil of the heating element, which is inserted into the metal sheath, to directly heat the air. The design of the system and the direct heating process lead to the most efficient heating and the shortest heating times. Air heaters work by radiating heat into the passing air or fluid. There are various types of air heaters, including finned air heaters, tubular air heaters, and open coil air heaters. These industrial air heaters are available in standard and custom models.