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Maison Air et Lumière Sunlighthouse is located in Pressbaum, Austria. In it are installed various types of VELUX roof windows. On the model you can see the current balance of each roof window. The immediate energy balance is calculated as being current incident solar energy minus the heat loss through the window. If the energy balance is greater than zero, the window is adding energy to the building.
The intention of this model is to illustrate the windows' energy balance at this specific moment and thus illustrate how the sun contributes to the energy balance of the building. This contribution is considerable, even on an overcast day, making the window an actual heat source.
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Visit Sunlighthouse
Sunlighthouse is part for the Model 2020 project.
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Behind the calculations
The "Energy balance" tool is based on live data, predicted conditions and a complex formula.
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