Can Shading Become Energy? From Passive Facades to Productive Envelopes

Courtesy of Ehret

As the primary interface between interior spaces and the external environment, facades play a central role in both the performance and architectural expression of buildings. Increasingly, they are no longer seen as static envelopes, but as active mediators between climate, energy, use, and aesthetic. In dense urban contexts, however, they are also gaining relevance for another reason: while roof surfaces are often limited, fragmented, or already occupied by technical equipment...