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Prescriptive- and Performance-based Approaches of the Present and Previous German DIN 4108-2. Hourly Energy Simulation for Comparing the Effectiveness of the Methods

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Aug 2015Publisher:Elsevier BVJournal:Energy Procedia, volume 75, pages 1,315-1,324 (issn: 1876-6102,

Authors: Olaf Böttcher; Thomas Tschirner; Nicola Bianco; Fabrizio Ascione; Uta Krone;

doi: 10.1016/j.egypro.2015.07.197

Prescriptive- and Performance-based Approaches of the Present and Previous German DIN 4108-2. Hourly Energy Simulation for Comparing the Effectiveness of the Methods

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Abstract

AbstractThe study proposes a comparison between the thermal performances of a real building, built according to the German standard DIN 4108-2:2003, and a refurbished one (in a theoretical investigation), aimed at satisfying the more restrictive requirements of the new version (i.e., 2013) of the same standard. The analysed building, completed during the 2012, is located in Berlin. The building has good performances in terms of energy demand for heating. Diversely, during the first years of operations, some overheating problems have been verified in summer. Because of sustainability motivations, cooling devices are not installed. An energy-oriented retrofit is here proposed, aimed at verifying if the fulfillment of the new version of the DIN 4108-2:2013 will produce better microclimatic conditions in summer. The results show the necessity of an accurate approach to the topic of summer thermal protection.

Related Organizations

University Federico II of Naples
Italy

Keywords

thermal comfort in summer, non-residential edifices, overheating protection, weighted temperature hours, Energy efficient buildings

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