This project concerns the energy upgrade of the building of Pamfilon Lyceum. The building of Pamfilon Lyceum, requires extensive work on both the building shell and electromechanical installations, in order to further save energy, to upgrade it to energy category B+ and above. The work to be done concerns, in general, the replacement of windows (frame-glass panels), with new low thermal permeability coefficient, the thermal insulation of the roof and the upgrading of the E/M installations (Heating-Lighting).