The project relates to the energy upgrade of the Regional Unity Administration of Florina. The project includes: — Partial replacement of frames with new better energy efficiency. Application of thermal insulation to the vertical building blocks of the building shell and its protrusions, and the inclined concrete plate. Replacement of lamps with new LED type, and the installation of thermostatic heads, autonomous PV system, heat pump and energy management system (BEMS). Also included is the issue of an energy efficiency certificate. (after completion of the work).