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Artificial protection against the sun

Artificial shade fulfills various requirements:

1. It prevents indoor overheating through direct insolation.
2. Shading can be adjusted in line with the rhythm of day/night and patterns of use.
3. It can make indirect lighting feasible for brightening the interior by means of light-directing elements, particularly in the upper portion of the slat system.

External shading systems are way more effective than internal. This is mainly because the sun's rays can pass through the window glass if shading is installed on the inside, and can then contribute to heating up the interior, regardless of whether there is additional shading inside.

Student residence in Vienna (source: GrAT)

SunnyWatt settlement in Switzerland (source: kämpfen für architektur ag)

Adjustable external shading systems are generally preferable to fixed systems. However, the electricity consumption of shading systems should always be taken into account.