Uponor - Sustainable heating and cooling

In the new corporate headquarters of transfer system company 50Hertz, up to 720 employees work in the heart of Berlin. Uponor designed a system for highly efficient heating and cooling for 50Hertz's headquarters. The 13-storey high-rise building was the first ever to be awarded the new Diamond label from the German sustainable building council, the Deutschen Gesellschaft für Nachhaltiges Bauen (DGNB). This honours the outstanding design and architectural quality of the building. At the same time, the €75-million new build also satisfies the requirements for a Gold DGNB sustainability certification. As a consequence, the melding of highquality architecture and sustainable design had an important role to play.

Among other things, the building required primary energy savings that were 49% lower than the requirements of the German energy-saving directive, using renewable energies. At the same time, attention was also paid to the building technology to ensure a high level of energy efficiency was achieved without having to make compromises on design.

Thermal activation

Temperature control in the L-shaped building is highly efficient. It is carried out over a gross floor space of approximately 24,000m² using a perfectly coordinated combination of thermally active building systems (TABS) and heating/cooling ceilings. The base load is covered by the year-round component activation installed in the core areas across 3,600m². To achieve this, the TABS was cast directly into the solid concrete ceilings, allowing it to use the thermal storage capacity of the building.

In the outer zones of the office areas, an additional 3,500m² of free-hanging Varicool Spectra metal ceiling panels offer precise, individual heating or cooling as required. For an appealing ceiling design, the heating and cooling batteries were affixed with magnetic technology. Thanks to their high stability, very large elements can be achieved with absolutely flat surfaces. At the same time, the ceiling panels have a highly sound-absorbing effect and thus significantly reduce reverberation, particularly in open-plan offices.

Design freedom

In the reception area and the conference rooms on the ground floor, the architects used the seamless solution Varicool Uni on an area of 1,000m². Here, complex room geometries could be achieved, and the ceilings were also fitted with vertical slats. Plasterboard heating and cooling ceilings offered the optimal conditions for these high design requirements. The facing tiles could be flexibly processed without limitations, while the slats could be safely fixed by the protected pipe connection in the heat-conducting profiles. At the same time, the activation over the entire surface of the ceiling ensured excellent heat transfer with high performance. In the company's employee restaurant, another 280m² of Varicool expanded metal ceiling was installed. As well as optimal temperature control, it also makes a decisive contribution to the open and modern character of the area.

In close coordination with the general contractor, Uponor assumed the complete implementation of the entire solution, from planning through to installation and commissioning. It is also responsible for ongoing service.

Products and Services

Contact Details

Uponor Corporation
Äyritie 20 01510
Vantaa, Finland
Tel: +358 20 129 211 E-mail: [email protected]
Finland
Contact: Uponor
URL: www.uponor.com/combiport

Uponor designed a heating and cooling system for the new 50Hertz building in Berlin.
Ceiling fittings inside the building offer temperature control and design accents.
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