The Operation concerns the implementation of targeted interventions for the energy upgrading of the use of renewable energy sources and the modernization of the building complex in order to save energy, reduce air pollution and reduce emissions of gases that cause climate change The interventions are referred to in the approved implementation study Subproject 5 and briefly areReplacement of frames with new certified improved thermal characteristicsReplacement of coolers with newer and more efficient technologyInstallation of solar thermal field for hot water productionInstallation of photovoltaic panels for electricity productionUpgrade of artificial lighting system with replacement of existing fluorescent and incandescent lamps with LED lampsUpgrade of installed energy management system of the buildingAfter the completion of the interventions the Hospital is expected to be upgraded from category D to category B of the Energy Efficiency Regulation of KENAK Buildings