An image forming apparatus provided with a sensor including a plurality of elements that detect temperature in the vicinity of the image forming apparatus includes an acquisition unit that obtains temperature data indicating the temperature detected by each of the plurality of elements, a calculation unit that calculates a feature point of a heat source region in the vicinity of the image forming apparatus based on obtained plurality of pieces of temperature data, and a recover unit that causes the image forming apparatus to recover from a power saving state based on a position of the calculated feature point.