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The European Portal For Energy Efficiency In Buildings

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CEN/TR 15615 is not a standard, but a technical report and therefore the definitions (annex C) are not mandatory. However, most of the definitions are adopted also in the European standard EN ...

The set of CEN-EPBD standards consists of 43 titles or parts and can be grouped as follows:
The building physics standards, e.g. describing the calculation of heat transfer by transmission ...

Today most companies (consultants, manufacturers and contractors) work internationally. From their point of view it is preferable to have internationally accepted calculation methods and input ...

To support the open EU market, more and more standards have been prepared as ENӳ. For building products this is even a requirement based on EU mandates to CEN according to the EU-CPD ...

For instance: in EN ISO 13789 the subscripts for transmission and ventilation are T and V in ISO and tr and ve in CEN.
There may be two reasons:
1) because the EN ISO standard was ...

Standards are copyright protected property of the publisher (CEN , ISO etc.) and not part of the public domain.
Question submitted by: Dick van Dijk (TNO, The Netherlands)
Anwered by: ...

It may be that although the National Standard Body produced a national language version, the standard will always be available in English (the official text), in many cases also a French and ...

The developed standards reflect the requirements of the EPBD as given in the different articles and the annex. The procedures as given in the standards meet the essential requirements as set ...

Yes, but some of the required input data may not be available at reasonable costs. For those cases default values may be provided at national level, e.g. as function of type and age of ...

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