Abstract: Abstract The European Climate and Energy package foresees a substantial reduction of energy consumptions in buildings by 2020. The implementation of Nearly Zero Energy Buildings (nZEBs) as the building target from 2018 onwards represents one of the biggest challenges to increase energy savings and minimize greenhouse gas emissions. The aim of this paper is to provide an overview of the European status towards the implementation of nZEBs. The main open issues are presented together with categories, definitions, and calculation methodologies. The...
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Topics: 
Architectural engineering
Risk analysis (engineering)
Environmental economics