By TEKO, published May 31, 2018

ROXSTAair combines machine technology with condenser technology in a space-saving housing.

No machine room required

Thanks to the robust weatherproof housing, there is absolutely no need for a machine room. The entire ROXSTAair application requires only very little space of 965 x 1.575 mm and is also suitable for the assembly to house walls.


  • Medium temperature up to 20 kW
  • 1 transcritical CO2 compressor
  • Frequency converter included
  • 2 EC fans

Design pressure

  • 45 / 80 bar suction line
  • 45 / 80 bar medium pressure
  • 120 bar high pressure side

Sound data

54 dB(A) in 10 m. Sound measurements under laboratory conditions (airborne sound at 50 Hz). 

Dimensions & Weight

Outdoor installation with 2 EC fans including electrical assembly plate and sound insulation.

Completely mounted and tubed condensing unit

  • Transcritical compressors by Bitzer or Frascold
  • Frequency converter included
  • Safety devices conform to DIN EN 378
  • Switch cabinet with electronic control
  • Muffler in discharge side
  • Flash gas heat exchanger
  • Medium pressure tank (22 L)
  • Shut-off measuring connections
  • Machine tray with integrated safety valves
  • Condenser housing (corrosion category C3) with 2 EC fans
  • Emergency off switch
  • Generously dimensioned machine room ventilation
  • Antivibration pads for optimal low-vibration positioning


The unit is optimally tailored to the requirements of discount shops, whole-foods shops, convenience stores or refrigeration applications with a lower medium temperature cooling demand.


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