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  • The PLATINUM Wiesbaden

    The INDUL linear diffuser and the INDUSILENT transfer grilles ensure an optimum indoor climate and excellent thermal comfort.

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    Photo credit: © Conné van d´Grachten

  • sevdesk headquarters in Offenburg

    The new company headquarters of sevdesk GmbH offers a hybrid workplace with pleasant acoustics and an optimal sense of space thanks to innovative ventilation technology on a total floor space of 4,700 m². Read more »

    Photo © Gazmurifoto
  • Modernisation of VEGA Grieshaber, Schiltach

    In line with the interior design, the INDUL linear diffuser was integrated into the metal ceiling, providing the highest level of ventilation comfort. Read more »

    Photo © Bernhard Strauss Fotografie

  • INDULFLOOR Floor Air Diffuser

    INDULFLOOR combines a sound absorber with a mechanism for simultaneous air flow rate and discharge setting. It is space-saving integrable into raised floors and perfect for modern architecture, especially in office spaces. Learn more »

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.

22.09.2026

Our 2026 apprentices have started

On September 1, four new apprentices began their professional careers: two started training as Industrial Management Assistants, while the other two began their training as Technical System Planners specializing in HVAC technology.

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13.07.2026

Online product dimensioning now for INDULFLOOR

The INDULFLOOR floor air diffuser can now also be quickly and easily sized using our online tool based on project-specific data. The tool helps you plan quickly and accurately and provides the appropriate sizing data in just a few steps. Try the new online tool right now.

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Your contact to Kiefer Klimatechnik

phone +49 711 8109-0
Email info@kieferklima.de

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 almost four 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.

© 2025 Kiefer Klimatechnik GmbH