Diagnosis of ventilation installations in residential buildings and offices (Diagnostic des installations de ventilation dans les bâtiments résidentiels et tertiaires)

The method presented in this paper is called DIAGVENT, it was set up by the CETIAT (Aeraulic and air handling technical center) to provide the professionals a practical tool for the diagnosis of the ventilation installations in residential buildings and offices.
It relates the on-site practice, applying a Swedish experience at different French cases .
Three levels of diagnosis are presented :
Diagvent 1 for the checking of the good achievement of the ventilation installations.
Diagvent 2 for the checking of the performances of the ventilation installations.
Diagvent 3 for specific measurements on the ventilation installations.