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First passive house water park saves heat and electricity

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The energy concept of the new water park in Bamberg includes a very high performance building envelope regarding both thermal insulation level and building airtightness level. This allows to have high relative humidity values (up to 64%) without causing condensation. The user-dependent ventilation is divided into zones and realised by 11 different mechanical ventilation systems. The heat demand is covered by a biomass combined heat and power unit and three gas condensing boilers. Due to the detailed monitoring and the optimisation of the building operation the electricity consumption of the ventilation systems could be reduced by 60%. In total the water park needs about 50% less heating energy and 20% less electricity than comparable water parks.


More information (in German) about the used technologies, the monitoring results and how the energy for the building operation could be reduced can be found at the links below.