Door air curtains with patented Tandem technology. Heated and ambient air streams for more effective cold air screening.
Технические характеристики
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Key features

  • Short delivery times for our standard door air curtains
  • For controlled screening of cold air with open doors
  • Energy savings of up to 38% compared to conventional systems
  • One fan group with patented separation of the air stream for ambient and warm air stream (Tandem technology)
  • Improved use of space Workplaces can be arranged more closely to the entrance
  • Faster return on investment compared to conventional systems
  • Officially verified property right: European Patent EP 1462730 A1


  • Coanda effect to improve the depth of penetration of the door air curtain:
    - Ambient air stream pulls the warm air stream
    - Improved screening and higher installation heights compared to conventional systems
  • Ambient air stream acts as a back-up stream
  • Adverse energy-intensive turbulence occurs primarily between the outside air and the unheated ambient air stream
  • Adverse weather stays outside, thanks to the enhanced penetration depth between two parallel air streams of different temperature
  • High-performance copper/aluminium heat exchanger
  • Easily removable air filter (grade G 2 in line with DIN EN 779); easy to clean by vacuuming or washing
  • Anti-torsion mechanism for heating connections prevents damage to the heat exchanger when screwing in the valves; valves optionally available as accessories


  • Versatile use in showrooms and sales floors of all kinds, malls and public buildings
  • Wall or ceiling-mounted
  • Modular design enables multiple devices to appear as a single visual unit
  • Can also be installed within a suspended ceiling
  • Lengths 1.25, 2.0, 2.5 and 3.0 m
  • Suitable for mounting heights of 2.7 to 3.2 m

... also good to know

  • KaControl system or electromechanical control possible
  • Integration in KaControl networks or building automation systems, such as BACnet, Modbus or LON possible
  • Non-standard designs, i.e. other RAL colours, on request

Technical details


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