Klimahaus® 8° Ost, Bremerhaven


Building data

Building contractor

BEAN Bremerhavener Entwicklungsgesellschaft Alter /
Neuer Hafen mbH & Co. KG, Bremerhaven


Klumpp Architekten Stadtplaner, Bremen
agn Niederberghaus & Partner GmbH, Ibbenbüren

General contractor
Technical planning

Project management:
STÄWÖG Städtische Wohnungsgesellschaft Bremerhaven mbH, Bremerhaven
Structural design:
ARGE KSF GmbH & Co. KG, Bremerhaven und
Prof. Bellmer Ingenieurgruppe GmbH, Bremen
Facade design:
Rache Engineering GmbH, Aachen
Building services:
Schmidt Reuter GmbH, Köln
Transsolar Energietechnik GmbH, München

Further project information

The appearance of the “Klimahaus Bremerhaven 8º Ost” inaugurated in 2009, resembling a giant cloud, is no coincidence. The building and the “world of knowledge and experience” inside are as innovative as the energetic concept of the spectacular design itself. In 11,500 m2 of exhibition space, visitors can experience at first hand how our climate works. The different climate zones are turned into an experience for all senses.
In order to not make the “climate house” a climate impact, sustainability and a CO2-neutral energetic and climate concept were formulated as goals as early as in the design stage. The “Transsolar Energietechnik” planning office supported the challenging museum project from the competitive stage until the completion and developed an own, integral concept for the building air conditioning for the specific construction task.

STG-BEIKIRCH technology

STG-BEIKIRCH’s full scope of services included project planning, delivery and installation of the drive technology for SHE control and supply air for the facade and delivery and installation of the control technology in the façade elements for the ventilation orifices and the supply air sashes.
The fresh air supply, which is important for the comfort in the climate house, is controlled by mechanical ventilation systems in the facade, in which the ventilation dampers required for smoke extraction are opened automatically. Especially in the summer, the glass gap in the facade has to be flushed efficiently with outside air to minimise the heating of the air before it enters into the room. In winter, however, the produced heat from the facade is welcome and helps to preheat the fresh air.
Instead of the usual 24 V supply for the SHE control system, everything with regard to SHE control and ventilation had to be designed for 230 V. For the design process, sustainable, intelligent drive and control technology were important as well as a manufacturer who can provide a sufficient warranty.
The company installed a total of 23 EM-Tandem-AC chain drives in SHE control sashes, air vent openings, and ventilation sashes and in frameless glass sashes with point fixtures made of glass, as well as 90 FM-Tandem chain drives in a special AC design. The special features of the FM-Tandem design were in particular the integration of the 230 V front end units into the motor housing and an adaption of the electronic components. Moreover, a total of five 230 V controls for the external facade and three controls for the lamella facades were equipped with drives from other manufacturers.
The installation, too, was no everyday work for STG-BEIKIRCH. The routing of cables required profound professional know-how from the technicians as well as proper and safe handling of the material, paying special attention to not shear off or crush any of the filigree profile structures. Another difficulty for the technicians was that all windows were located out of the area of intervention, which means above 2,50 metres – a position only accessible with the help of a scaffolding. For this reason, the STG-BEIKIRCH technicians prepared a separate functionality protocol for each sash directly after successful installation.


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