DIN 18599 – ACCOUNTING FOR PRIMARY ENERGY NEW CODE REQUIRES DYNAMIC SIMULATION
Claudius Reiser, Ruth David, Markus Faigl, Oliver Baumann
The new standard DIN V 18599 for Energy Efficiency of Buildings, which implements the European Energy Performance of Buildings Directive (EPBD) in Germany, requires to calculate a comprehensive energy balance for buildings, including the building envelope, building services for heating, cooling and air conditioning, lighting with all their primary or source and site energy consumption. This new calculation methodology with holistic energy balances results in an overall annual primary energy demand of buildings – already in early phases of the building design. This information at that stage offers a real opportunity to evaluate and compare different energy concepts and improve the energy performance of buildings significantly. The simulation software ennovatis uses a 3D building model for a practicable implementation. The simulation tool calculates all energy flows, makes them visible, and generates the energy performance certificate according to DIN V 18599. This paper gives an introduction to the EPBD and the German standard DIN V 18599 and documents how this new standard is integrated in the simulation tool ennovatis.
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