Air heater

The utility model relates to an air heater, composed of a host machine (1) and a clothes hanger (2). The host machine can be used singly, or combined with the clothes hanger. The air heater is characterized in that a centrifugal fan (3), a snail-shaped wind channel (4), a PTC ceramic heater (5) and swing wind blades (6) are arranged inside the host machine, and the swing blades can continuously change wind blowing direction. The clothes hanger is composed of a bracket (8), a main bracket (13), a secondary bracket (14) and a telescopic rod (10), wherein, the telescopic rod can be pulled or contracted, and the main and the secondary brackets can be folded to reduce occupying space when the utility model is not in use. With small volume and large wind volume, the utility model can be used for warming in rooms and bathrooms and drying clothes and hair, and is widely used in common families.