Air exchange rates up to 2,000 m³/h and maximum filter effect

  • High air exchange rates due to volume flows of up to 2,000 m³/h
  • Effectively filters 99.995 % of aerosols from air in the room

H14 HEPA Filter installed according to EN DIN 14644-3

  • The RoomGuard® uses H14 HEPA filters in accordance with EN 1822 and draws on the entire expertise of cleanroom experts in terms of design.
  • Proof of correct installation of the HEPA filter in accordance with EN DIN 14644-3 before delivery by a metrologist
  • 100% functionality test of the entire unit before delivery/set-up

Multiple soundproofing and maintenance-free operation

  • Noticeably quiet when in operation due to multiple sound insulation: 2-fold in the air flow and additional surface insulation of the entire casing.  
  • Maintenance-free operation due to continuous monitoring of the pressure difference of the filters. The unit signals a necessary filter change in advance.  

Intelligent air distribution and expert initial setup

  • The adjustment nozzles on the top of the unit make it possible to optimise the air distribution through intelligent adaptation to local conditions
  • Initial setup by experienced personnel is possible

Freedom to customise your RoomGuard®

  • We offer you the option of individual colour selection (RAL) for the powder coating as well as optional wrapping with individual designs
  • Also, the option to combine it with furniture construction on site is possible for maximum
    discreet operation


We are more than happy to inform you about prices, technologies, and customisation options.

Contact details

NT Ingenieurbüro GmbH

Carl-Zeiss-Str. 25
52477 Alsdorf


Your contact person

Achim Thelen

Achim Thelen CEO

Write an email Management