• Air conditioning technology for the new events venue

    Complete plant technology, including the building management system, for the new Wagenhallen events venue in
    Stuttgart, Germany.

    Photo: © Daniel Stauch Photography
  • Comfortable ambient climate in harmony with the architecture

    The new M9 Museum in Venice-Mestre, designed by Sauerbruch Hutton uses INDUL N linear diffusers, which provide efficient air distribution without draughts.

    photo: ©


  • Outstanding BREEAM rating in this London workplace

    Highly    inductive    ceiling    air  diffuser  in  a  range  of  design,  shape  and  colour  options.    The    air    guide    elements   developed   especially for this ceiling air diffuser  make  it  possible  to  meet  individual,  room-specific requirements.

    photo: © Timothy Soar
  • INDUL - Slimline linear diffuser for maximum thermal comfort

    INDUL free jet characteristics are unique in enabling a continuously diffuse ambient air flow.


Air conditioning technology in harmony with architecture

Kiefer develops and sells high-quality air diffusers, fan coil systems, chilled ceiling panels and concrete core cooling systems worldwide. In close cooperation with our engineering business we extended and implemented our practical experience in new developments of our ventilation components and systems.



James-Simon-Gallery opens in Berlin

After ten years of construction, the Federal Chancellor officially opened the James Simon Gallery in Berlin on July 13th. In the building designed by star architect, the linear diffuser INDUL and the wall air passage INDULSNAP were inserted.

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Join our Team

We offer an attractive work environment with a perspective for the future in the air-conditioning technology. Apply for current jobs as Project Engineer, Technical Draftsman, Sales Engineer or Service Technician.

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Kiefer Luft- und Klimatechnik GmbH
phone 0711/8109-0


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Ventilation System Components

Air diffusers, chilled ceilings, fan coil systems and concrete core cooling systems. Ventilation system components for an ideal and draught-free room air flow.

Ventilation and air-conditioning systems

We efficiently realize the complete plant technology for the comfort and industrial sector including building control system and maintenance.


Consulting and Planning

Kiefer experts develop individual ventilation solutions, support your construction project with ambient air flow analyses and support as partners for maintenance and service.

Kiefer Luft- und Klimatechnik GmbH

Kiefer GmbH is a leading company in the field of ventilation, air handling and air conditioning technology. Our range of services includes consulting, planning and execution of systems for thermal comfort and industrial air conditioning, as well as the associated installation and maintenance. For more than three decades, Kiefer has also been selling high grade ventilation components worldwide, such as linear diffusers, wall passages, displacement outlets, chilled ceiling panels and concrete core cooling systems, developed in the company's own laboratories.

© 2018 Kiefer Luft- und Klimatechnik GmbH