The Municipality of Fyli in the framework of the Operational Programme of the Region of Attica and the European Regional Development Fund ERDF implements an Energy Upgrading action of the City Hall building in Ano Liosia with objectivesThe minimization of energy consumption to meet the needs of cooling ventilation and lighting heating during the operation of the building on an annual basis The improvement of thermal and visual comfort of usersThe reduction of energy losses The reduction of environmental impact from the operation of the building and in particular the reduction of carbon dioxide emissionsThe possibility of developing the environmental awareness of the local community through a good practiceThe energy upgrade of the building by at least two energy categories according to KENAK