SIA wants to rehabilitate the City of Pinson in Raismes. These are 193 mining dwellings classified as Unesco heritage. This rehabilitation operation is mainly thermal, it aims to reduce the costs associated with heating and hot water production by 63.5 %. The rehabilitation is global and mainly aims at the energy performance of the building (insulation of facades from outside and inside, rehabilitation and insulation of roofs, upgrading of electrical installations, modification of heating and ventilation systems and the replacement of sanitary equipment if necessary).