The act concerns the energy upgrade of the building housed by the Military Court of Larissa, the General Court of ELDAP and the KTS of Larissa. This is an existing Energy Class Z building, which is expected to be upgraded to Category A+ with improvement of its energy characteristics.The energy upgrade of the building includes the following interventions:Room/roof insulation, shell insulation, replacement of frames, upgrade of heating system and installation of air conditioning (A/TH VRV), installation of LED lighting, installation of PV system, installation of BEMS system.