A vehicle having an air-conditioning apparatus disposed therein and a waste heat source (WS), the air-conditioning apparatus comprising: an evaporator to evaporate a refrigerant; a cooperative device group , the cooperative device group and the evaporator constituting a refrigeration cycle using the refrigerant by exchange of the refrigerant between the cooperative device group and the evaporator ; an evaporator fan to create a flow of air striking the evaporator ; a waste heat recovery unit disposed upstream of the evaporator in a route of the flow of air, the waste heat recovery unit comprising (i) a waste heat recovery part to recover waste heat from the waste heat source (WS) and (ii) a heat-release part to release, to the evaporator , heat transmitted to the heat-release part, the waste heat recovery unit being switchable between (a) a heat-releasing state in which the waste heat recovered by the waste heat recovery part is transmitted to the heat-release part and the heat-release part releases the waste heat, and (b) a heat-release-stopped state in which the waste heat recovered by the waste heat recovery part is less transmittable to the heat-release part than when in the heat-releasing state; and a controller to control the waste heat recovery unit to be in the heat-release-stopped state when the refrigerant is being exchanged between the evaporator and the cooperative device group , and control the waste heat recovery unit to be in the heat-releasing state in a state in which the evaporator fan is creating the flow of air when the exchange of the refrigerant is stopped; and characterised in that , the waste heat source (WS) is at least one of an electric motor (EMD) to propel the vehicle, a first power supply circuit (INV) to supply power to the electric motor (EMD), a second power supply circuit to supply power to an electric device mounted on the vehicle, or a dynamic braking resistor (DBR) to which is applied electromotive force generated by the electric motor (EMD). an evaporator to evaporate a refrigerant; a cooperative device group , the cooperative device group and the evaporator constituting a refrigeration cycle using the refrigerant by exchange of the refrigerant between the cooperative device group and the evaporator ; an evaporator fan to create a flow of air striking the evaporator ; a waste heat recovery unit disposed upstream of the evaporator in a route of the flow of air, the waste heat recovery unit comprising (i) a waste heat recovery part to recover waste heat from the waste heat source (WS) and (ii) a heat-release part to release, to the evaporator , heat transmitted to the heat-release part, the waste heat recovery unit being switchable between (a) a heat-releasing state in which the waste heat recovered by the waste heat recovery part is transmitted to the heat-release part and the heat-release part releases the waste heat, and (b) a heat-release-stopped state in which the waste heat recovered by the waste heat recovery part is less transmittable to the heat-release part than when in the heat-releasing state; and a controller to control the waste heat recovery unit to be in the heat-release-stopped state when the refrigerant is being exchanged between the evaporator and the cooperative device group , and control the waste heat recovery unit to be in the heat-releasing state in a state in which the evaporator fan is creating the flow of air when the exchange of the refrigerant is stopped; and characterised in that , the waste heat source (WS) is at least one of an electric motor (EMD) to propel the vehicle, a first power supply circuit (INV) to supply power to the electric motor (EMD), a second power supply circuit to supply power to an electric device mounted on the vehicle, or a dynamic braking resistor (DBR) to which is applied electromotive force generated by the electric motor (EMD). <EOS>