Architectural Lighting and Daylighting Design at Charles de Gaulle Airport, Paris France. CDG Airport designs a secondary facade as daylight shading to control light at noon but let the sunrise light coming in. Daylighting in a building can create a productive and well-being space. Bad Daylighting Design in the building can create uncomfortable light, bad visuals experience and excessive heat in summertime or cold in the wintertime and uncomfortable light.

Lighting and daylighting modeling can help designers to improve indoor environment quality as well as thermal comfort and low energy consumption. Consequently, when determining the size and location of windows as well as the choice of glass in the envelope of a building, proper calculations should be made to provide healthy natural lighting into the building.