Other Products

Q-nis also supply Acoustic products, Coils, CAVs/VAVs and Dampers.

Acoustic products

  • Rectangular Attenuators
  • Circular Attenuators
  • Crosstalks
  • FCU Attenuators
  • Acoustic Enclosures
  • Acoustic Louvres


  • Every coil is individually selected to meet the max pa and kpa, while maintaining the required off coil temperatures.
  • Once manufactured, each coil is tested via air-pressure test, in a bath of water.
  • All coils individually labelled before dispatch.

CAVs and VAVs

  • In line with our acoustic products, we can select the VAV & CAV systems to maintain the required NR level without introducing noise issues.
  • Our CAVs/VAVs can be supplied with different control options, insulation and acoustic lining.


  • We have a supply chain specific to each market in Europe and its local building control requirements.
  • This is of particular importance when purchasing fire dampers, smoke dampers and fire smoke dampers.
  • Furthermore, we advise all clients to ensure that dampers meet all local requirements, CE marking and that the installation method is in line with the CE requirements.
  • Volume Control Dampers
  • Fire Dampers
  • Fire Smoke Dampers
  • Smoke Dampers
  • Smoke Control Panel System
  • Blast Gate Dampers
  • Iris Dampers
  • Non-return Dampers
  • Back Draught Dampers
  • Atex Rated Dampers
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