This European Standard was approved by CEN on 8 October 2011. The European Standard EN 15759-1:2011 has status of the Standard of Republic Italy. 26 p. This European Standard provides guidelines for the selection of heating strategies and heating systems in churches, chapels and other places of worship such as mosques and synagogues, in order to prevent damage to cultural property while at the same time creating an indoor climate that allows for a sustainable use of these buildings. It applies to most kinds of places of worship regardless of size and construction