The object of the project is the energy upgrade of the buildings: —Palumba Municipal Building: Includes the installation and installation of: Thermal insulation (ceramides and shell), (b) thermostatic heads in radiators; (c) compensation system; (d) replacement of LED lamps. Trophy Town Hall: Includes the installation and installation of: A) thermal insulation (roof and shell), b) replacement of frames (main space), c) thermostatic heads in heating bodies, d) compensation system, e) replacement of lamps with new T5 lamps. —Citizen Service Centre (KEP) Valtesinikou: Includes the installation and installation of: A) thermal insulation (shell), b) replacement of frames (main space), c) new air conditioning system for the main ground floor spaces, d) replacement of lamps with new T5. The Cultural Centre of Lagadia: Includes the installation and installation of: A) thermal insulation (walls and ceiling), (b) replacement of windows (main space), (c) new heating bodies, d) thermostatic heads in new radiators e) refurbishment of boiler and replacement burner, f) installation or replacement of pipes and compensation system; and (g) replacement of lamps with led lamps. — Trophy Spiritual Centre: Includes the installation and installation of: A) thermal insulation (walls), b) replacement of frames (main space), c) thermostatic heads in heating bodies d) refurbishment of the boiler and replacement of burner, e) Installation or replacement of pipe insulation and compensation system; and (g) replacement of lamps with new T5 lamps. Kontovazaina Elementary School: Includes the installation and installation of: A) compensation system b) thermostatic heads in heating bodies, c) insulation in heating pipes according to the Building Energy Efficiency Regulation (KENAK), d) replacement of lamps with new T5 lamps, e) replacement of windows of the main heated space and f) thermal insulation (below the tiles). Elementary School of Neochori: Includes the installation and installation of a) thermostatic heads on radiators, b) replacement of lamps with new high energy efficiency, c) insulation in heating pipes according to KENAK. The proposed measures are designed to upgrade buildings by at least two energy categories, with the aim of: A) Minimising as far as possible energy consumption and reducing energy costs. b) Further development of environmental awareness and education of pupils and the local community.