Air conditioner for vehicle

An air conditioner for a vehicle, comprising:

• a battery as a power supply source of a motor for vehicle driving;
• a compressor to compress coolant;
• a heat exchanger for heating to heat a cabin inside;
• an external heat exchanger capable of introducing traveling air thereinto and to perform heat exchange between outside air and coolant;
• an expansion valve for cooling and a heat exchanger for cooling which are provided to cool the cabin inside;
• an expansion valve for battery and a heat exchanger for battery which are provided to cool the battery;
• an opening/closing type of grille shutter to change an introduction state of the traveling air introduced into the external heat exchanger;
• a temperature sensor to detect temperature of the battery;
• and
• a control unit to control opening/closing of the grille shutter,
• wherein the coolant is shared among said heat exchanger for heating, said external heat exchanger, said heat exchanger for cooling, and said heat exchanger for battery, the coolant is made to flow into said heat exchanger for battery from said expansion valve for battery when the temperature of said battery detected by said temperature sensor is a specified temperature or higher, and said control unit is configured to make said grille shutter in a closed state when heating is executed and the temperature of the battery detected by said temperature sensor is said specified temperature or higher.