Comfortability People’s comfortability in an indoor environment is related to many factors, and the average radiation temperature of the surroundings is an important parameter. In summer, direct solar radiation enter the room through the glass will cause the temperature of the radiation on the solid surface of the room which near the window to increase significantly, give people the feeling of baking. In winter, the glass window with a relatively low surface temperature gives a feeling of cold radiation. At the same time, the cold air convection caused by the cold air sinking near the window also brings the feeling of cold air blowing to the people who near the window, which seriously reduces the people’s comfortability.
