Air Lorraine (head office)

Last modified by the author on 22/05/2013 - 10:38

New Construction

  • Building Type : Office building < 28m
  • Construction Year : 2009
  • Delivery year : 2009
  • Address 1 - street : 20 allée de Longchamp 54600 VILLERS-LES-NANCY, France
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

  • Net Floor Area : 416 m2
  • Construction/refurbishment cost : 1 205 000 €
  • Number of Work station : 20 Work station
  • Cost/m2 : 2896.63 €/m2

Proposed by :

  • Primary energy need
    70 kWhep/
    (Calculation method : RT 2005 )
Energy consumption
Economical buildingBuilding
< 50A
51 à 90B
91 à 150C
151 à 230D
231 à 330E
331 à 450F
> 450G
Energy-intensive building

Air Lorraine is an approved association monitoring air quality in Lorraine. The objectives of this project were to build a new headquarters for best performance, a combination of different poles and a better reception for the public while engaging in a process of ustainable development based on transferable constructive solutions based on the desire to raise awareness and educate potential visitors to meet current environmental challenges. The building includes offices, meeting rooms and laboratories on one level.

Sustainable development approach of the project owner

Project Objectives: To reach the BBC level (winner of PREBAT (Programme for Research in Low energy Buildings) and follow a comprehensive approach to environmental quality. Originality: mud brick interior wall, measuring the quality of indoor air, circular building, glass double-skin, cellulose wadding and wood cap / water, photovoltaic, rainwater recycling, natural lighting sheds, low emissive VOC indoor furniture.

Architectural description

Circular structure snail shape.

Building users opinion

More info via the link

If you had to do it again?

More info via the link

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    Assistance to the Contracting Authority

    Solorem (Nancy)


    Klein & Baumann Architectes (Mulhouse)

    Construction Manager

    Kelin & Baumann Architectes (Mulhouse)

    Assistance to the Contracting Authority

    Cap Terre (AMO qualité environnementale)

    Other consultancy agency

    Barthes (structure - 54)

    Thermal consultancy agency

    Solares Bauen (+ fluides - Strasbourg)

    Other consultancy agency

    Economie E3 (économie de la construction - Strasbourg)

Energy consumption

  • 70,00 kWhep/
  • 145,00 kWhep/
  • RT 2005

    8.5 kWhep/ for heating
    14 for cooling
    27.5 for lighting
    15.5 for ventilation
    4.5 Auxiliary

More information

More info via the link


    • Geothermal heat pump
    • Double flow heat exchanger
    • Heat pump (geothermal)


    Mud brick

    Second œuvre / Cloisons, isolation

    Material very appreciated by users especially for its management of hygrometry.


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Author of the page
Sylvie FEUGA

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