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Berechnung des jährlichen Energieeffizienz von Heizungssystemen nach des EU-Gebaüdeenergierichtlinie und den relevanten CEN-Normen

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The article describes how the various European standards (or draft standards) can be used for the calculation of the energy needs of a building for heating, cooling and ventilation, as well for the calculation of the annual energy efficiency of the building leading to its energy certification. An example of calculation is given for a one-family house.