The project concerns the energy upgrade of a multi-storey building using a Technical Service of the Municipality of Ampelokipoi Menemeni The building in question is located at the junction of Eleftheriou Venizelou street no. 167 and Delphi in the Municipal Unit of Menemeni The building constructed in 1984 with a total area of 78100 m2 is characterized as particularly energy-intensive according to the energy performance certificate class E According to the energy study the proposed interventions Thermal insulation of facades and roof Frames with thermal switch Led Ventilation New cooling system heating VRV or VRF Photovoltaics and connection with netmetering Mobile blinds on the north and west side Central management and control system of the building the energy upgrade of the building will amount to A 6 categories of roofs