SIEEB Complex, Peking, China


Innovative ELCO technology saves up to 70 % energy

The Sino-Italian Ecological and Energy Effi cient Building (SIEEB) at the Tsinghua University lies in the South-East of the campus, and has a ground area of around 4,000 m2. The whole complex is equipped with the most innovative technologies. Various novel heating systems were installed in this high-tech building – a challenge for the ELCO planners, whose task it was to implement further systems as a supplement to the existing ones. It was clear up front that this was a project for the most modern heating technology worldwide: a photovoltaic system for electricity generation with a total output of 22 kWp, and a condensing system for warm water processing. As a special feature, the 392 m2 installation surface was mounted on the front, at different levels corresponding to the shape of the building (similar to a grandstand). This clever arrangement allows optimal utilisation of the sun’s energy.


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  • Optimal utilisation of solar energy
  • High energy absorption with minimal radiation losses


  • Central monitoring of all data
  • Compact module size
  • Easy, fl exible assembly


  • Attractive price-performance ratio
  • Total energy savings of up to 70 %
  • Whole system saves 20,000 kWh a year
  • 20 tonnes less CO2 emission