Article 4 requires that minimum requirements are based on the methodology referred to in Article 3 (calculation of the energy performance of buildings). For more information on the general framework for the calculation of energy performance of buildings see the Annex of the EPBD. The energy performance of a building shall be expressed in a transparent manner and may include a CO2 emission indicator.
If the building has a useful floor area of more than 1000 m2, alternative systems have to be considered and taken into account (see Article 5).
Authors: Hans ERHORN and Heike ERHORN-KLUTTIG (FHG)