The inclusion of Trombe walls reduces the need to heat the building using traditional methods such as furnaces or other space heaters, reducing the amount of energy used to heat the home.Like a solar chimney or solar wall, Trombe walls are a way to achieve energy efficient building design.These walls are beneficial as they require little to no effort to operate and are ideal for spaces where silences and privacy are desirable.This wall is then covered with an exterior glazing, with a small amount of air between the wall and the glazing.
This glazing works to trap the sunlight like a small greenhouse. In the Northern hemisphere these walls are south facing. For an explanation of why it is the south facing wall, click here. In the daytime, Trombe walls facing the Sun have sunlight incident upon them. The wall absorbs and stores the heat coming from the direct solar radiation. Cool air from the building enters the air channel between the wall and the glazing through a vent that is present at the bottom of the wall. The cool air enters at the bottom, and is heated by the heat stored in the concrete wall. As this occurs, the warming air rises and is fed back into the building through a vent present at the top of the wall. Additionally, the wall itself heats the inside room slowly by radiating its heat into the room. The vents at the top and bottom of the wall are closed to ensure that the now cool air in the channel between the glazing and the wall doesnt re-enter the home. ![]() Renewable and Sustainable Energy Reviews, vol.
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