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  • Outdoor rooftop instalation

  • Counterflow exchanger

  • > 93% heat recovery efficiency

  • 100% customized

  • All coils inside

  • Plug´n´Play mode

Summary marketing catalogue DUPLEX Multi

Technical catalogue DUPLEX 1500–11000 Multi-N

Product photos

Excellent generation of our customised rooftop compact HVAC units. These units can be 100% project-tailored and have our professional S7 heat exchanger with a heat recovery efficiency of up to 93%. DUPLEX Multi-N units can optionally be equipped with built-in  accessories – water or electric heating, water-based or direct cooling, shut-off dampers, by-passes and recirculation, etc. The special feature of this new generation is its great compactness with a maximum focus on minimum height and ATREA's innovative solution for heat loss elimination.

Rooftop configuration with unique duct connection from bottom

  • Heat recovery efficiency of up to 93%
  • Tailored according to customer requirements
  • Compact and semi-compact design
  • Integrated heating and cooling
  • Internet interface as standard (RD5 control system only)
  • Smartphone application
  • BMS compatibility
  • The units meet requirement in accordance with Commission Regulation (EU) No. 1253/2014 (Ecodesign)
  • Hygiene version according to VDI 6022
  • EC type fans – top German quality
  • Great thermal characteristics
  • Circulation damper
  • 100 % by-pass
  • Constant airflow and pressure control
  • Crane transport ready
  • Easy access service doors
  • Built-in control system

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