(12/14/2010) In the district of Freiburg Weingarten West, specifically in the Buggingen road 50 (see Bing-down view and / or Google Maps produced) is currently the first skyscraper in the world that is made in the course of a reorganization to passive house standard. The 16-storey building 1968 is already before its scheduled completion in late 2010 as an ecological demonstration project: It will continue to make do with 80 percent less heat and thus save a year about 60 tons of harmful CO2. To achieve this remarkable energy balance is needed in addition to new heating and controlled ventilation, especially a very well-insulated building envelope that reduces energy loss effect. Therefore, continued the Freiburg City GmbH (FSB) and others to window Kneer, which in turn use the profile system Geneo of Rehau. After
was placed in the rehabilitation of the start of special importance to the insulation, the leaders searched for appropriate passive house windows Moreover, the high demands on static and air-tightness requirements. They found at Kneer-south windows, which are among the windows Geneo the most energy efficient in their class. With 86 mm deep with a sophisticated multi-chamber technology, the window profile system, good conditions for high energy savings. Since, owing to high-tech material RAU-Fipro in most cases does not require steel reinforcement, the risk of thermal bridges that can easily arise through integrated metal parts is significantly reduced. With a broad frame, the profiles reach as a U-value of 0.85 W / m² K or a U-value of up to 0.66 W / m² K.
addition to the positive Properties of the profile system in theory should have convinced the client above all, already successfully completed projects and the planning and execution support from Rehau and Kneer, south-facing windows. A total of 800 window units were installed in white and charcoal gray.
Award-winning concept
The energetic renovation concept of the neighborhood Weingarten-West, which also includes the passive high-rise in the Buggingen road was, by the way in the competition "Retrofitting of large housing estates" of the Federal Ministry of Transport, Building and Urban Development in the category "Silver" award. In this way, the project received a funding grant 75,000 €. In addition, it is part of the research project "Weingarten 2020" and is from the Fraunhofer Institute for Solar Energy Systems ISE, accompanied one of the largest research institutions in this area.
Source: http://www.baulinks.de/webplugin/2010/1frame.htm?2069.php4
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