An indoor unit of an air-conditioning apparatus comprising: a main unit having an air inlet and an air outlet and being installed inside a room; a fan configured to suck indoor air from the air inlet and form an air path extending to the air outlet; a heat exchanger installed in the air path and configured to partially perform a role of a refrigeration cycle; an air flow direction adjusting device (9, 10) installed at the air outlet and configured to adjust a blowing direction of air conditioned by the heat exchanger; an indoor imaging device configured to capture an image of inside of the room; a thermal image detection device configured to acquire a thermal image of the inside of the room; a controller configured to transmit operation control information for controlling the heat exchanger, the fan, and the air flow direction adjusting device (9, 10) to the heat exchanger, the fan, and the air flow direction adjusting device (9, 10); the indoor unit characterised by comprising an arithmetic operation device configured to calculate, by an arithmetic operation, a flow of air blown from the air outlet on a basis of the operation control information, and generate an air-conditioning status image, which is an image obtained by superimposing the air flow calculated by the arithmetic operation and the thermal image representing temperature distribution acquired by the thermal image detection device on a visible image captured by the indoor imaging device; a storage device configured to store the air-conditioning status image; and a remote control configured to receive the air-conditioning status image stored in the storage device, the remote control having a display unit on which the received air-conditioning status image is displayed, wherein a plurality of air-conditioning status images are generated by the arithmetic device with predetermined time intervals, and wherein the plurality of air-conditioning status images are displayed as moving images on the display unit of the remote control. a main unit having an air inlet and an air outlet and being installed inside a room; a fan configured to suck indoor air from the air inlet and form an air path extending to the air outlet; a heat exchanger installed in the air path and configured to partially perform a role of a refrigeration cycle; an air flow direction adjusting device (9, 10) installed at the air outlet and configured to adjust a blowing direction of air conditioned by the heat exchanger; an indoor imaging device configured to capture an image of inside of the room; a thermal image detection device configured to acquire a thermal image of the inside of the room; a controller configured to transmit operation control information for controlling the heat exchanger, the fan, and the air flow direction adjusting device (9, 10) to the heat exchanger, the fan, and the air flow direction adjusting device (9, 10); the indoor unit characterised by comprising an arithmetic operation device configured to calculate, by an arithmetic operation, a flow of air blown from the air outlet on a basis of the operation control information, and generate an air-conditioning status image, which is an image obtained by superimposing the air flow calculated by the arithmetic operation and the thermal image representing temperature distribution acquired by the thermal image detection device on a visible image captured by the indoor imaging device; a storage device configured to store the air-conditioning status image; and a remote control configured to receive the air-conditioning status image stored in the storage device, the remote control having a display unit on which the received air-conditioning status image is displayed, wherein a plurality of air-conditioning status images are generated by the arithmetic device with predetermined time intervals, and wherein the plurality of air-conditioning status images are displayed as moving images on the display unit of the remote control.