Explanation of the general relationship between various European standards and the Energy Performance of Buildings Directive (EPBD) - Umbrella Document
The calculation methodology follows the framework set out in the Annex to the EPBD1. The various standards used in this process are listed in Annex A. Many of the standards deal with specific aspects of the calculation (e.g. fabric losses, air changes, energy use for lighting, system performance): these aspects are drawn together in the following items: The main goal of these standards is to facilitate the implementation of the Directive in Member States.