Air conditioning unit and air conditioning system for a vehicle

An air conditioning unit for a vehicle has an air conditioning casing (10) having flow paths therein, an evaporator (50) arranged in the air conditioning casing and substantially having a U-shape, an outer flow path provided on the outer side of the U-shaped evaporator on the upstream or downstream side of an air flow of the U-shaped evaporator, an inner flow path provided on the inner side of the U-shaped evaporator on the downstream or upstream side of the air flow of the U-shaped evaporator, and a heater core (60) arranged on the downstream side of the air flow of the U-shaped evaporator.