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 17 kW
  • 1 transcritical CO2 compressor
  • Frequency converter inclusive
  • 2 EC fans

Design pressure

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

Sound data

45 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 plate with electronic control
  • Flash gas heat exchanger
  • Insulation on suction side
  • Antivibration pads for optimal positioning with low vibration
  • Safety valves integrated in the machine compartment
  • Condenser housong with EC fans
  • Emergency shut-off Capacities up to 17 kW


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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