The municipality of Nexon wants to improve its offer of social housing in order to allow families with modest incomes to settle in Nexon. In this context, the municipality of Nexon wishes to carry out the energy rehabilitation of two social housing units located in the Markoff House. Through this operation, the municipality aims to:_x000D_- fight against global warming and the reduction of greenhouse gases_x000D_- improve the energy performance of homes not the minimum achievement of label C at the end of the works _x000D_- reduce the energy bill of low-income tenants and thus combat energy poverty_x000D_