The present invention relates to an air conditioning case of an automobile air conditioner, and the strength reinforcing baffle located on the air inlet of the evaporator unit has a shape to smooth the air flow, thereby uniformizing the air flow to prevent vortex formation and noise generation. For the purpose of;In order to achieve the above object, the present invention provides a plurality of air outlets for guiding heat-exchanged air into a vehicle interior; An evaporator and a heater core for regulating the air supplied from the blower unit to a predetermined temperature through heat exchange; An evaporator unit air inlet coupled with a blower unit air outlet; In the air conditioning case for a vehicle including a baffle formed across both sides of the evaporator unit air inlet, the baffle is characterized in that the cross section changes along the air inlet direction.
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