To provide comfortable environment by providing an air conditioner easily and freely changing the direction and the quantity of air blown by the air conditioner without using an operation part of the air conditioner or a remote controller.

This air conditioner incorporates a blower and is provided with a circulating air passage having an inlet sucking the air and a heat exchanger, an outlet blowing the air, a louver moving the blowing direction, and a detecting means detecting an object. This air conditioner is characterized in allowing the detecting means to detect the approach of the object to the air conditioner and changing the direction or the quantity of the air blown from the air conditioner.