The ZL-1 vapor air warmer comprises six components: fin tube made of steel and aluminum + electrical vapor valve + waste valve + heat insulation box + blower + electrical control system. Vapor travels through the fin tube, releasing heat to the insulation box, blending and warming the fresh or recycled air to the desired temperature, and the blowers convey the hot air to the drying or heating space for the purposes of dehydration, dehumidification, or heating.