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Germany’s updated ENER standards

According to the EU’s Energy Performance of Buildings Directive (EPBD), the updated, stricter version of the German Energy Saving Building Regulation (EnEV) of May 2014/1/ become the most important regulation in Germany. It ensures the Energy Performance of Buildings Directive (EPBD) is complied with.

The EPBD stipulates that from 2021 all new residential and non-residential buildings may only be constructed as nearly zero-energy buildings, In addition, the EnEV contains the provisions to ensure building shells are in high quality. It specifies requirement for wall, ceiling and floor insulation, minimum window quality and high air tightness, technical systems as little energy as possible, where concerns on minimum efficiency value for heating, ventilation, refrigeration and air conditioning system. Take the ventilation systems for instant, for airflow of 2000m3/h, there is regulation that a heat recovery system must be used, as well as provisions on the maximum power consumption of the heat recovery ventilators.

From 2016, the maximum energy consumption for buildings will be 25% less than what it is at the moment.

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