Apparatus and method of controlling heat of engine compartment of vehicle when stopped

A method of controlling heat of an engine compartment when a vehicle is stopped, the method comprising:

• monitoring, by a controller, an outdoor temperature and an engine compartment degradation factor of the vehicle while driving;
• determining, by the controller, whether a heat management mode for reducing heat dissipation of the engine compartment when the vehicle is stopped in an engine-off state is required based on the outdoor temperature;
• determining, by the controller, whether a degradation protection mode for preventing degradation of parts of the engine compartment when the vehicle is stopped in the engine-off state is required based on the engine compartment degradation factor;
• and
• in response to determining that the heat management mode is required and the degradation protection mode is not required, operating, by the controller, an active air flap (AAF) to close a vent of an engine compartment when an engine is turned off.