A heat exchange device for performing heat exchange of intake air of an internal combustion engine , the heat exchange device comprising: a heat exchange part configured to exchange heat between a heat medium (W) introduced into the heat exchange part and intake air passing through the heat exchange part ; an intake air control valve configured to perform control of the intake air passing through the heat exchange part ; an air intake pipe in which the intake air control valve is provided; and a collector part configured to temporarily store the intake air, wherein the intake air flows from the air intake pipe into the heat exchange part via the collector part , the heat exchange part and the collector part have a lengthwise direction in a direction in which cylinders are arranged in the internal combustion engine , the air intake pipe causes the intake air that has passed through the intake air control valve to drift in a region from center toward one end side in the lengthwise direction of the heat exchange part due to curvature of the air intake pipe , a heat medium introduction port of the heat exchange part and the intake air control valve are provided at positions opposing each other with respect to the heat exchange part , the heat medium introduction port is provided on the one end side in the lengthwise direction of the heat exchange part , and the intake air control valve causes the intake air to flow into the collector part from the other end side in the lengthwise direction of the heat exchange part , wherein the heat medium introduction port and a heat medium outlet of the heat exchange part are provided at positions opposing each other with respect to the heat exchange part . a heat exchange part configured to exchange heat between a heat medium (W) introduced into the heat exchange part and intake air passing through the heat exchange part ; an intake air control valve configured to perform control of the intake air passing through the heat exchange part ; an air intake pipe in which the intake air control valve is provided; and a collector part configured to temporarily store the intake air, wherein the intake air flows from the air intake pipe into the heat exchange part via the collector part , the heat exchange part and the collector part have a lengthwise direction in a direction in which cylinders are arranged in the internal combustion engine , the air intake pipe causes the intake air that has passed through the intake air control valve to drift in a region from center toward one end side in the lengthwise direction of the heat exchange part due to curvature of the air intake pipe , a heat medium introduction port of the heat exchange part and the intake air control valve are provided at positions opposing each other with respect to the heat exchange part , the heat medium introduction port is provided on the one end side in the lengthwise direction of the heat exchange part , and the intake air control valve causes the intake air to flow into the collector part from the other end side in the lengthwise direction of the heat exchange part , wherein the heat medium introduction port and a heat medium outlet of the heat exchange part are provided at positions opposing each other with respect to the heat exchange part . <EOS>