Patent ID: 8234040

Claim:
An air-conditioner controlling device to control an air-conditioner of a vehicle comprising: a specifying portion to specify a present position of the vehicle; a determining portion to determine whether the vehicle is located in a target area based on the present position, the target area being defined by a predetermined interval from a target point of the vehicle; a first control unit to change an operation state of the air-conditioner from a standard mode to an energy-saving mode so as to reduce a consumption electricity of the air-conditioner, when the determining portion determines the vehicle to be located in the target area; an estimating portion to estimate a destination of the vehicle; and a second control unit to change the operation state of the air-conditioner from the energy-saving mode to the standard mode, after the first control unit changes the operation state from the standard mode to the energy-saving mode, in a case that the estimated destination is different from the target point.