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Monitoring of a residential building retrofitted with TIM at Sonnenackerweg, Freiburg

: Vahldiek, J.; Bollin, E.

Transparent insulation technology. Proceedings of the 4th International Workshop
Birmingham: Franklin Company Consultants, 1991
ISBN: 0-9510781-5-1
International Workshop on Transparent Insulation <4, 1991, Birmingham>
Conference Paper
Fraunhofer ISE ()
building retrofit; demonstration project; transparent wall insulation

The application of transparent insulation materials (TIM) for space heating in existing buildings is demonstrated in the project "Sonnenäckerweg / Freiburg, FRG". A two-storey residential building, which was originally built at the end of the fifties, was renovated with TIM. This building consists of 8 apartments and has a floor area of 400 mhgih2. The retrofit involved the installation of TI elements on the south-east and the south-west facades. The elements include roller blinds for heat control. Since Dec.'89 the building has been occupied and extensive measurements have been made in both houses. The results from 1990 will be reported. In comparison to conventional insulation, TIM buildings were able to save 50% of the annual energy needs for space heating.