DIN EN ISO 52003-1:2018-03 Energy performance of buildings - Indicators, requirements, ratings and certificates - Part 1: General aspects and application to the overall energy performance (ISO 52003-1:2017); German version EN ISO 52003-1:2017 has been changed from DIN EN 15217:2007 Energy performance of buildings - Methods for expressing energy performance and for energy certification of buildings English version of DIN EN 15217:2007-09.
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