Model refurbishment of 4- to 16-storey residential buildings

An urban district becomes energy efficient

The Freiburg district of Weingarten-West is well on the way to requiring less energy in future: the buildings are undergoing refurbishment and the district heating provision is being adapted. The first high-rise building that has been refurbished to the passive house standard stands out as a flagship project not just in visual terms. The latest BINE-Projektinfo brochure “On route to a low-energy urban district” (15/2012) presents this building in relation to the comprehensive district concept. The measures also include an information campaign for the residents.

With the support of the Fraunhofer Institute for Solar Energy Systems, Freiburger Stadtbau GmbH has developed an ambitious concept: four of the buildings in Weingarten-West, which date back to the 1960s, are being comprehensively renovated as research projects. Their energy efficiency, improved economic performance and design will enable them to act as models for comparable buildings.

The most well-known property is the refurbished high-rise building. Following its renovation the building impresses not just through its lower energy consumption. There are now more apartments in the building and they offer new, contemporary floor plans. The refurbishment measures in the district are also reducing the overall heating requirements. This requires that the district heating provision is also adapted. The concept is being rounded off with the so-called “canny savers”. These are female residents in the district who have been trained as energy advisers and who inform their neighbours in their respective native languages about saving energy and living in a passive house.

The refurbishment in Freiburg Weingarten-West is a model project that has been funded by the German Federal Ministry of Economics and Technology as part of its EnEff:Stadt initiative. The renovation of the district is scheduled for completion in 2020. The BINE Projektinfo brochure “On route to a low-energy urban district” (15/2012), which can be obtained free of charge from the BINE Information Service at FIZ Karlsruhe, is available online at www.bine.info or by calling +49 (0)228 92379-0.


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An urban district becomes energy efficient

Das Cover des BINE-Projektinfo „Auf dem Weg zum Niedrigenergie-Stadtquartier“ (15/12)

(300 dpi, tiff, 2.9 MB)