The project consists of an energy rehabilitation of the communal school. Exterior insulation is planned on all the walls of the communal school. Insulation from the inside on part of the building. A renovation of the partition separating the veranda from the building is planned. a simple flow ventilation with intermittent use is installed in the hall of the building. Two dual flow ventilation systems will also be installed in two classrooms, which will also improve air quality. All the lamps (neons) on the ground floor will be replaced by LEDs. The installation of a heat pump is planned.