Vehicle air conditioner

A vehicle air conditioner installed in a vehicle, the vehicle air conditioner comprising:

• an evaporator that is provided on a ceiling of the vehicle and causes heat exchange between air in an interior of a passenger compartment and a coolant;
• a condenser that causes heat exchange between the coolant and outside air;
• a spray nozzle that sprays water to the outside air flowing to the condenser;
• a water tank that is provided in a lower portion of the vehicle and stores the water to be sprayed;
• a coolant pipe through which the coolant flows, the coolant pipe provided through a first pillar positioned at a boundary between a side surface of the vehicle and a front surface or a rear surface of the vehicle;
• and
• a drain hose that guides condensed water generated in the evaporator to the water tank, the drain hose provided through a second pillar positioned closer to a center than the first pillar in a vehicle forward and rearward direction, the pillar having a first distance extending in a vehicle upward and downward direction of the vehicle, and a second distance extending in a vehicle width direction of the vehicle, the first distance being greater than the second distance.