These are ideal for heating large volume factories, sports complexes and businesses. They have a heating capacity of 4000-56000 kcal/h. In order to distribute the air in the desired direction, an air adjustment shutter that is composed of joint mobile blades is mounted on the frame. In order to facilitate installation, a L-profile hanger mechanism is placed on the device. The frame is made of galvanized sheets and coated with electrostatic oven-dried paint. The heating battery is made of copper aluminum blades and the air adjustment shutter that is composed of mobile blades is mounted on the frame. In order to facilitate installation, a L-profile hanger mechanism is placed on the device. The balanced axial fans on the device reduce the noise level to a minimum. These are ideal devices for heating large places.