The operation concerns the thermal rehabilitation of 40 houses residence BLANQUI, 14 rue Auguste BLANQUI in Dijon. The aim of this action is to: achieve operating savings — support and raise awareness among tenants about energy savings and economic and energy consumption gains. — helping to reduce greenhouse gas emissions The work concerns, in particular, carpentry, heating, electricity and insulation. The project aims to move from an initial consumption of 181.09 kWhEP/m².year (class D) to a target consumption of 90.73 kWhEP/m².year (class B), a gain of 90.36 kWhEP/m².year. The operation allows you to reach the BBC level. (because the Department of Côte d’Or has a modulation coefficient of 1.2, it is considered that the BBC level is below the threshold of 96 kWhEP/m².year).