The operation concerns the rehabilitation of 150 housing units on 7 buildings located in the municipalities of Frouard and Dombasle-sur-Meurthe. The works aim to reduce the consumption of the building (Reaching the level of the BBC Effinergie Rénovation label) to improve the safety, comfort of the inhabitants and green spaces. The renovation of the units will make it possible to improve the energy performance of the buildings by carrying out work on the building envelope and on the heating and ventilation systems. Upgrading of electrical systems and building fire safety systems. The layout of the exteriors will improve the quality of life of the inhabitants of the dwellings.