• INDUL - Slimline linear diffuser for maximum thermal comfort

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


  • Berlin Humboldt Forum

    Italian architect Franco Stella reconstructed the historic Berlin Palace and integrated modern elements to create a new building with a magnificent facade. An innovative Concrete core cooling ventilation system guarantees a comfortable atmosphere inside.  Read more »

    Photo © Alexander Schippel
  • Modern air-conditioning technology in Norway's new national museum

    The new National Museum Oslo with a fascinating façade of Norwegian slate and a radiant light hall as its crown.
    Read more »

    Photo: Nasjonalmuseet/Borre Hostland
  • INDUSAIL LUMINOUS - a multifunctional lighting sail system

    The new lighting sail combines area lighting with cooling, ventilation and acoustics.
    Learn more about »


  • A healthy indoor climate for the very little ones

    INDUL linear diffuser in the new kindergarten building in Zihlschlacht, Switzerland. In the group rooms, not only a healthy indoor climate but also a hygienic air exchange without unpleasant draughts was to be realised. Read more »

    Photo © Hannes Heinzer

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.


Review ISH 2023 in Frankfurt

We look back on five exciting and successful days at the ISH. Finally, we had the opportunity for personal networking again. In the intensive technical discussions with long-standing partners, but also with many new visitors, our trade fair concept proved its worth. The main focus was on communication.

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Become our Commercial Agent in the Netherlands!

We are looking for a new Commercial Agent in the Netherlands for the distribution of ventilation system components. Interested? Wij zoeken een HANDELSAGENT in Nederland van ventilatietechniek en airconditioning componenten (binnenklimaat). Interesse?

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Kiefer Klimatechnik GmbH
phone +49 711 8109-0

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Ventilation system components

Linear air diffusers, wall passages, displacement outlets, chilled ceiling panels and concrete core cooling systems for an optimum 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 Klimatechnik GmbH

Kiefer Klimatechnik 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, light and acoustic sails, chilled ceiling panels and concrete core cooling systems, developed in the company's own laboratories.

© 2023 Kiefer Klimatechnik GmbH