Submitted by Maria.Kapsalaki on Wed, 05/07/2014 - 08:48
In 2009 the regulatory framework and the business environment for the construction sector has changed significantly in order to reduce the CO2-emissions of existing and new buildings. New buildings have to be net-zero after 2020, some public buildings already after 2018. Several national Governments try to achieve a net-zero primary energy balance for the complete building stock until 2050 which is truly a grand challenge. In order to reach these goals two things have to be done:
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