Minimum heating box size

183× 166.5×22 mm. In cold winter, even in late autumn and early spring, the on-board heating system such as warm air water tank can provide heating for the car and increase the temperature inside the car. The minimum size of the warm air water tank is about 183× 166.5× 22mm ... When the air humidity is high in winter, spring and autumn, when the temperature difference between the inside and outside of the car is large, frost and fog will form on the window glass, which will affect the driver's sight and is not conducive to driving safety. At this time, turning on the heating system can remove the frost and fog on the window glass.