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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

Low-energy office building for the Municipality of Aarhus in Denmark by C. F. Møller Architects

 
September 24th, 2011 by Sumit Singhal

Article source: C. F. Møller Architects

The office building, located in a development zone of the Port of Aarhus, is intended to provide a new landmark for the city of Aarhus – a striking image of energy architecture.

Image Courtesy Julian Weyer

  • Architects: C. F. Møller Architects
  • Project: Low-energy office building for the Municipality of Aarhus
  • Location: Kalkværksvej, Aarhus, Denmark
  • Client: TheMunicipalityof Aarhus
  • Size: 1500 m²
  • Competition: 2008
  • Year: 2009-2010
  • Landscape: C. F. Møller Architects
  • Engineer: Alectia
  • Collaborators: Geo
  • Artist: Line Kramhøft

Image Courtesy Julian Weyer

The building is an extension of the Technical Administration of Aarhus Municipality, and for the client, the aim was to create an example of progressive office building construction, with energy consumption at ‘passive house’ level and a good indoor climate. The building is in energy class 1, further enhanced with elements drawn from the German passive house standard.

Image Courtesy Julian Weyer

The facade tells the story of a building in which energy design has been used as a holistic approach. A 200 m slatted wall of solar panels and a 170 m2 solar wall provide distinctive, sculptural elements in the facade. The wall of solar panels, which is slightly tilted in relation to the rest of the facade, produces electricity for the building. The 170 m2 solar wall comprises a vertical element in the building’s corner conclusion, extending over all storeys of the building. The solar wall collects energy which it uses to warm up the ventilation air to the offices in winter and to cool the offices in summer.

Image Courtesy Julian Weyer

The office building has a large, south-facing facade and thus receives plenty of sunlight. To provide shade from the sun, the windows are recessed and are equipped with shade panels. These are clad with solar cells, and thus also produce electricity for the offices. Energy-friendly materials and elements with ultra-low thermal conductivity have been used throughout, such as vacuum-insulated windows.

Image Courtesy Julian Weyer

The building has a total heat consumption of a maximum of 15 kWh/m2/year, and an overall energy consumption of at most 50 kWh/m2/year. The building is twice as airtight in its design as required by the Danish building regulations. The office building, which has a facade of natural stone, is six storeys tall with a loft storey for technical installations.

Image Courtesy Julian Weyer

The ground floor contains the reception area and a public drawing archive, where the artist Line Kramhøft has provided visitors with an extra experience with her concrete art: so-called ‘concrete poetry’, in which concrete is used in new and surprising ways, in large elements with mirror-smooth surfaces and patterns that seem as soft as velvet.

Image Courtesy Julian Weyer

Image Courtesy Julian Weyer

Image Courtesy Julian Weyer

Image Courtesy Julian Weyer

Image Courtesy Julian Weyer

Image Courtesy Julian Weyer

Image Courtesy Mads Moller

Image Courtesy Mads Moller

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Categories: Building, Offices

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