German Home-
page of Annex 36
Homepage of the International Energy Agency
(IEA-ECBCS)
University of Stuttgart
 
Address Universitšt Stuttgart
Pfaffenwaldring 47
70550 Stuttgart, Germany
 
IWZ
ETI 1
Year of construction
1975
1984
Year of renovation
1997
1997
Total floor area
30500 m²
14500 m²
Hours of operation offices
12
12
Hours of operation labs
up to 24
up to 24

University buildings normally use very sophisticated HVAC systems. These systems have to be adapted to the actual user needs quite frequently. If this is not done on a regular basis energy consumption becomes quite heavy. The adaptation of the systems can be financed through third party contracting. The renovation of the HVAC system of two buildings of the University of Stuttgart provides an impressive example.

Retrofit features:
The project concentrated only on the technical systems. No retrofit of the building envelope was undertaken.
Thus the financing could be achieved completely on the base of performance contracting.
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© 2004
Fraunhofer Institute for Building Physics