Landgrafenplatz

Green living space

The changing real estate

Landgrafenplatz in the Hessian town of Friedrichsdorf has been the site of the Salus clinic since the 1970’s, a therapy centre for those suffering from mental and psychosomatic illnesses. Now disused, the clinic building will be renovated and transformed into a residential space. The two multi-storey buildings on the building complex will become one of the largest residential complexes in the town, providing approx. 7,500 m² floor space and around 100 planned residential units. With its numerous offsets, the sophisticated façade is an eye-catching piece of architecture. The renovation will see these areas and the roof of the building transformed into green havens.

Unique features of building services equipment

In terms of the global energy revolution, the renovation of existing buildings is a key aspect of the required modernisation measures. The exterior walls of the reinforced concrete structure from the 1970’s were most likely insulated with materials hazardous to health (AMF), depending on the year in which they were constructed. Once the building has been modified, it must satisfy the energy standard BEG 55 EE*. To help achieve this, heat will primarily be provided via a central air heat pump. The heat will then be distributed to the individual building units via a separate local heat network. Waste heat recovered from the ventilation system is also envisaged to further increase energy efficiency.

Solar panels on the car park roof

A multi-storey car park will be constructed to provide space for vehicles on the property. Its roof will produce power through photovoltaic panels. The power produced will be used by both the residential units and the heat pump to create an environmentally friendly and cost-effective energy cycle. Excess power may also be fed into the local power grid, depending on the demand, or used to charge parked electric cars. DES has partnered with the architectural firm Willen Associates Architekten and the engineering firm KREBS+KIEFER Service GmbH on this project and was commissioned for work stages 1-4.

*BEG 55 EE: The primary energy demand of the building amounts to max. 55% of the demand of a statutory reference building. In addition, 55% of the heat and cooling demand is covered by renewable energies.

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