The Effects of Passive Heating and Cooling on the Energy Performance of Buildings – CEN Calculation Procedures (2009)

This is a document providing an overview on passive heating and cooling technologies and their impact on the energy performance of buildings presented by Anna Staudt and Hans Erhorn from the Fraunhofer Institute for Building Physics concerning the CENSE project in Germany, with the funding from the EU’s Intelligent Energy Europe programme.

The CENSE project (2007-2010) supports the EU Member States and other target groups and its main objective was to achieve better awareness and more effective use of the European standards that are related to the Energy Performance of Buildings Directive (EPBD).

After a brief analysis and explanation on why and how we need to use passive cooling and heating technologies, the authors present the various ways of calculating the effects that are specified in the CEN-standard EN ISO 13790. Both passive heating and passive cooling rely on the site, structure and architectural design of the building and on the materials used in its construction. Their effect on the building’s net energy performance is considered in the calculation procedures set out in EN ISO 13790.

The document also provides graphics about the methods and systems used for passive heating and cooling on, for example how to conserve solar energy, what technics and materials are more efficient and what benefits can result for consumers. Some FAQ are included in the end of this paper.

Author: Anna Staudt and Hans Erhorn

Date: 2009

Pages: 8

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