Fachgebiet Immobilienökonomie

Neues Paper in Energy Efficiency (open access): A modular framework for a dynamic residential building stock model with energy retrofit foreceasts (Aldenhoff/Kurzrock)

Das Paper zur Dissertation von Dennis Aldenhoff ist jetzt in Energy Efficiency erschienen. Online zum Download (open access) bei Springer Link unter Link

In Kürze kann auch die komplette Dissertation (auf Deutsch) als E-Book kostenfrei bezogen werden. Dazu stellen wir demnächst auf der Webseite vom Fachgebiet Immobilienökonomie │ RPTU im Bereich Publikationen/Monographien einen Link bereit: Link

Building retrofits are strongly dependent on the individual refurbishment/rehabilitation cycles of buildings. [...] The most challenging, yet required, energy retrofits are all yet to come. [...] The aim of this paper is to model the evolution of the size and retrofit status of national building stocks. [...] Using current statistics and the past development of the German residential building stock, central parameters like living space, new construction, deconstruction, and the retrofit rate are modeled endogenously. For the latter, influences of economic conditions are implemented through an exogenously set black box variable. The retrofit rate represents a deep energy retrofit and thus allows an easy connection of the model with energy parameters for building classes defined in the web database TABULA for 20 European countries. The results are of relevance for modeling the energy efficiency status of the building stock and deriving suitable conditions for increasing retrofit rates also in other countries. It is found that increasing the energy retrofit rates to 2%/a or more is largely unrealistic. Instead, the focus should be on weak points, especially where short-term savings are concerned. This applies in particular to facades, basement ceilings, and heating systems as well as the efficient use of energy in buildings.

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