In-car temperature-controlling device for car in parked state

An in-car temperature-controlling device for a car in its parked state, the in-car temperature-controlling device comprising:

• a wireless remote control, for a user to remotely transmit an operational signal;
• a receiver, installed in the car, receiving the operational signal from the wireless remote control and correspondingly sending a control signal;
• a controller circuit board, for receiving and processing the control signal from the receiver and outputting a control command;
• and
• a motherboard, receiving the control command from the controller circuit board and being electrically connected to a power-activating unit, an engine-starting unit, a window-activating unit and an AC-activating unit of the car, wherein the motherboard, according to the control command, controls the power-activating unit, the engine-starting unit, the window-activating unit and the AC-activating unit to operate in order;
• wherein, when operating, the window-activating unit makes four windows of the car move downward synchronously, and when operating, the AC-activating unit generates downward blown cool air in the car.