Energy upgrading of buildings 2nd Gymnasium 2nd Lyceum Serres Briefly the interventions included are the followingA Installation of thermal insulation system around the shell with stone wool plates total thickness of 8 cm on all vertical surfacesB Installation of thermal insulation under non-heated roof with mineral wool coating thickness of 8 cmC Replacement of framesD Mechanical ventilation with VAM units with assistance with Renewable Energy Sources APEEE Provisions Automatic Control System Heating Thermostatic headsST Dismantling of frames to be replacedSupply and Installation of LED Technology Luminaires with Automatic Control System