VEHICLE AIR CONDITIONING DEVICE

The invention provides an air conditioner for a vehicle, which can restrain sudden increase of refrigerant outlet pressure and SC value of a heating part when a heating mode is switched. The present invention is provided with: a refrigerant circuit including a compressor, a heating unit, an outdoor heat exchanger, a first electronic expansion valve on the refrigerant inlet side of the outdoor heat exchanger, a cooling heat exchanger, and a second electronic expansion valve on the refrigerant inlet side of the cooling heat exchanger; a device temperature adjustment circuit for adjusting the temperature of the temperature-adjusted object by means of the cooling heat exchanger; and a control device that controls the refrigerant circuit and the equipment temperature adjustment circuit, the control device having, during a heating operation for heating the interior of the vehicle using the heating unit: an outside air heat absorption heating mode in which the refrigerant discharged from the compressor and radiated