Heating blower for motor vehicle

The utility model discloses a warm air blower for an automotive vehicle, which is characterized in that a heat-insulating box is sheathed on an exhaust pipe or a muffler of an automotive vehicle; both ends of the heat-insulating box are respectively provided with an air inlet pipe and an exhaust port which are communicated the exhaust pipe or the muffler; one side of the box wall of the heat-insulating box is provided with a warm air pipe of which one end is communicated with the inner cavity of the heat-insulating box, and the other end is communicated with a warm air heat radiating port arranged inside the automotive vehicle; the other side of the box wall of the heat-insulating box is provided with an air inlet pipe of which one end is communicated with the inner cavity of the heat-insulating box, and the other end of is communicated with an air inlet arranged inside the automotive vehicle; the utility model has the characteristics that fuel oil is not consumed, the normal service life of an engine can not be affected, and the heating effect is obvious.