AIR CONDITIONER FOR VEHICLE

An air conditioner for a vehicle includes a first heat exchanger that exchanges heat between a refrigerant in a refrigeration cycle and a heat medium, a second heat exchanger that exchanges heat between air to be blown into a vehicle interior space and the heat medium, and a casing disposed in the vehicle interior space to form an air passage through which the air flows and to accommodate the second heat exchanger. The first heat exchanger is disposed under the casing, and a partition wall for partitioning an engine room from the vehicle interior space is interposed between the first heat exchanger and the casing.