Smart Façades for resilient cities.

The continuous change of urban aggregates has always revealed the correlation between the morphology of the city and the socio-economic needs of human beings. In recent decades, the threat of climate change has underlined the fundamental role of the environmental quality of the cities in local government policies. In order to optimizing the exploitation of renewable resources and preserving non-renewable ones, some Italian regions have adopted urban plans aimed at limiting land consumption, favoring the urban regeneration of urbanized areas. While the redevelopment process of the existing leads to a volumetric crystallization of the urban morphology, the cities continue to evolve, experimenting with new forms of expansion in immaterial, virtual and smart fields. Contemporary cities reconfirm themselves as interpreters of the social evolution of the human beings, to which technology has allowed them to perform, even in the pandemic era, the functions of living, working and having fun. Although the application of IoT and smart components in the existing urban context is not a solution to all the problems of cities, it offers a useful tool in increasing urban resilience to contemporary challenges. The tax incentives of recent years represent a tempt to promote the redevelopment of existing facades, emphasizing the environmental impact of the building envelope within cities with strong expansionary limits. This paper, through the selection of case studies, aims to explore the impact of smart façades in consolidated urban contexts and to analyze the social repercussions of the way in which the habitants perceive the city.