The present act entitled Energy upgrade of municipal buildings of the Municipality of North Tzoumerka aims at the energy upgrade of building facilities of the Municipality of North Tzoumerka in the settlements of Elliniko Kalentzi and Houliarades aiming on the one hand at saving energy of operational needs and on the other hand at very large environmental and economic benefitsThe aim of the interventions is to improve the energy characteristics of the buildings based on the Energy Performance CertificatesThe interventions that will take place are 1 In a two-storey building in the settlement of Kalentzi where it hosts administration offices Citizens' Service Center rural clinic event hall polling center2 In a two-storey building in the settlement of Houliarades where it hosts administration offices polling center3 In a two-storey building in the settlement of Elliniko where it hosts administration offices folklore museum cultural events hall