A programmable fenestration system for residential use: functional, social and aesthetic qualities

This paper presents a programmable facade that contributes significant reduction in energy consumption by regulating the incoming sunlight into the interior of a residential building. Electrochromic and liquid crystal technologies allow the modification of thermal transmittance and view, which are controlled by a model-based plan executive. Except from operating as climate moderator the facade functions as an interface mediating the dynamics between inside and outside, public and private. The interaction design challenge is how to renew the role of the facade to provide new ways of association between the private environment of the house and the public environment of the street, the residents among themselves and their neighbors, and ultimately the house and its urban context.