The Kindergarten – Elementary School of Nea Koutali as well as the Lymnasia Livadochori and Moudros are buildings that collect large amounts of pupils for the level of our island. These buildings, apart from some individual maintenance work, have not been substantially maintained and upgraded over the years, making them less functional and friendly to their use, which is the housing of students of central and eastern Lemnos. A specific project is expected to achieve energy upgrading and energy saving in these buildings. The replacement of windows and windows with new certified, high energy efficiency, the replacement of luminaires with new and motion sensors as well as boiler replacement are the main interventions.