VAD is a multidisciplinary tool at the service of the professionals of the territory that mobilizes, animates and accompanies through its annual program more than 2000 actors including 430 members. The structure has a network of more than 2000 players representing the entire sector of the act of building, renovating and developing: developers, architects, urban planners, design offices, landscape designers, economists, companies, builders. The purpose of the operation is to create value in the territories by increasing skills and networking the sector, mobilizing local resources (circular economy), enhancing regional know-how, disseminating information or training with a view to improving the environmental performance (carbon balance, circular economy, climate change adaptation) of buildings (new and renovation) and facilities. The operation is implemented through thematic awareness-raising and training programs for VSEs / SMEs through collective actions integrating collective and individual time.