The cold air will contribute, but this is an accurate description. A person constantly radiates a blackbody spectrum determined by temperature, as does the surr

The cold air will contribute, but this is an accurate description. A person constantly radiates a blackbody spectrum determined by temperature, as does the surrounding room. We perceive ourselves as in equilibrium when we radiate as much as we receive. If a wall is cooler than the rest of the room, the person receives less infrared from that direction and perceives cold, even in the absence of convection.