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People that work in office buildings have new needs in terms of comfort within their work place. We suggest to develop a multicriteria office cell façade, allowing to control luminous, thermal and airflow parameters. It will be controlled to offer global comfort to the office cells occupants. Various simulations tools were used to optimize the dimensioning of the envelope components (solar protection (slats and electrochromic protection), to choose materials (nature and characteristic of the glazings) and to establish a natural ventilation strategy through the wall element (ventilation scenario choice, airflow patterns, and ventilation areas). This study was carried out within the frame of a Ph.D. supported by the Ademe agency and an industrial partner, in order to develop a muliticriteria wall element leading to the making of a demonstrator.