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Solar-Campus Juelich - Energy performance and indoor climate

Göttsche J., Gabrysch K., Delahaye A., Schwarzer K., 2002
ventilation | energy conservation | heat recovery | residential building
Bibliographic info: 23rd AIVC and EPIC 2002 Conference (in conjunction with 3rd European Conference on Energy Performance and Indoor Climate in Buildings) "Energy efficient and healthy buildings in sustainable cities", Lyon, France, 23-26 October 2002
Languages: English

The Solar-Campus Juelich consists of two buildings, as part of the University of Applied Sciences, Aachen, and student dormitories for 136 students (5 row houses), see Figure 1. In a general agreement, the overall energy demand for space heating of all buildings was limited to 40 kWh/m 2 a, which is less than 50% of the existing German national regulation (Wrmeschutzverordnung 1995). Extra costs were provided through the AG Solar of the German state North-Rhine-Westfalia. The student dormitory consists of 23 houses with different heating and ventilation systems, the concepts ranging from passivehouse up to the actual low-energy standard. One aspect of scientific research is the comparison between different central and distributed ventilation systems with and without heat recovery. Some of the ventilation systems use ground-to-air heat exchangers. Detailed measurements of energy input, air quality and comfort parameters were carried out in 11 student houses and one university building. The students response to and acceptance of the different building and ventilation concepts has been evaluated. Ventilation systems result in improved air quality compared to a reference building with only windows as ventilation elements. Relatively large variations are observed with respect to the energy consumption for space heating due to varying user acceptance and user behaviour.


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