Energy upgrade of Piraeus General Hospital “TZANIO”

The project concerns the Energy Upgrade works of the Piraeus “TZANIO” General Hospital, following the specifications of the R.E.P.B., and specifically the various building works concerning its energy upgrade as well as the restoration and upgrade of its infrastructure. The restoration and upgrading of the infrastructure concerns the old building and electromechanical facilities.


The project was implemented in order to upgrade the energy of the building, following the specifications of R.E.P.B. as well as the repair and restoration of old building and electromechanical installations.

The proposed construction works will be carried out in accordance with national and European Regulations and Specifications. The building after the completion of the planned works will become safer, as it will have new building finishes and electromechanical installations.

With the proposed energy upgrading interventions of the building, the aim was to achieve a significant improvement in both its energy efficiency and the conditions and overall functionality for the population served.

Regarding the issue of aesthetic appearance, it was proposed:

  • The facades should be aesthetically upgraded, with the installation of an external thermal facade and new frames.
  • Repair the damage to the building where necessary.
  • Remove unnecessary E/M systems.

The aim of the proposed interventions was to minimize as much as possible the energy consumption for the proper operation of the building, through:

  • of the bioclimatic design of the building envelope, utilizing the position of the building in relation to the surrounding area, the available solar radiation per face orientation, etc.
  • Adequate thermal insulation of the building by appropriately applying insulation to opaque structural elements, avoiding thermal bridges as much as possible, as well as selecting suitable frames and glazing.
  • the selection of suitable high-performance electromechanical systems, to meet the needs of heating, cooling, air conditioning, lighting, domestic hot water with the minimum possible consumption of (reduced) primary energy, with the possible integration of automation for further energy savings,

With the implementation of the proposed project, the aim was the following:

  • Reduction of annual energy consumption
  • Reduction of annual CO2 emission
  • Significant savings on an annual basis, through the reduction of energy costs
  • Upgrading the Hospital’s infrastructure
  • Improving the energy efficiency of the building
  • Environmental Protection
  • Limiting the energy footprint of the building
  • Public awareness
  • Creation of appropriate comfort conditions and the provided medical work
  • Reduced breakdowns and increased reliability of basic E/M installations
  • Encouragement of Public Administration Agencies to undertake similar projects

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