The object of the project is the energy upgrade of the building of the 13th General Lyceum 9th Gymnasium 1st Evening Gymnasium of Patras through targeted interventions to reduce operating costs and improve internal conditions These interventions include building and electromechanical works related to the addition of external thermal insulation replacement of old door windows and frames installation of external shades replacement of an existing boiler and burner installation of a compensation device with an electronic control unit Thermal insulation of heating pipes installation of thermostatic valves in heating radiators upgrade of the lighting system with new LED luminaires and operation management system installation of autonomous photovoltaic power generation system 5KW and finally installation of a system for measuring and projecting the consumed energy of the building and the saving rateThrough the above actions, the energy efficiency of the building will be upgraded, the necessary internal conditions for the conduction of educational activities will be ensured and at the same time significantly reduced operating costs of the school complex In addition, the awareness of students and educational staff on energy saving and environmental protection issues will be achieved