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Sankt Franziskus Elementary School in Halle (Germany) on the way towards net zero energy use

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The Sankt Franziskus elementary school in Halle at the end of the construction phase (2014)

The new Sankt Franziskus elementary school in Halle went into use in February 2014. A scientific monitoring was initiated to evaluate the energy concept. The results show that the wood constructed school uses 90% less heating energy than comparable schools in Germany. The building envelope including box-type windows meets the passive house requirements. The school is heated by an air-heating system with district heating as energy source. The ventilation is connected to a ground-coupled heat exchanger and can be used to heat or to cool the building. Now the school aims at achieving the net zero energy level. The foreseen measures for this are: reduction of the electricity use of the ventilation system by a lower minimum air flow (from 50 to 30% of the maximum value). Additional potentials that shall be tapped are lighting and digital media. The illuminance levels shall be checked and LED technology might replace some of the existing lighting. The influence of digital blackboards on the electricity use is analysed.


Further information on the building and the applied energy concept (in German language) can be found at the links below.