Skip to content


  • Indoor instalation

  • Counterflow exchanger

  • >90% heat recovery efficiency

  • 100% customized

  • All coils inside

  • Plug´n´Play mode

Summary marketing catalogue DUPLEX Multi

Technical catalogue DUPLEX 500–11000 Multi

Product photos

Excellent generation of our customised 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 units can optionally be equipped with built-in or external accessories – water or electric heating, water-based or direct cooling, shut-off dampers, by-passes and recirculation etc.
The units are available also in a wide range of installation positions including underceiling to meet the requirements of all projects.

Universal indoor version s with floor-standing, under-ceiling and floor-standing flat installation

  • 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
  • The units meet the requirements in accordance with Commission Regulation (EU) No. 1253/2014 (Ecodesign)
  • BMS compatibility
  • Hygiene version according to VDI 6022
  • EC type fans – top German quality
  • Great thermal characteristics
  • Circulation damper
  • 100 % by-pass
  • Constant airflow control
  • Constant pressure control

Product downloads

Contact us

Let's create your ideal environment

Our team of experts is dedicated to designing and delivering systems tailored to your unique needs, ensuring optimal performance and efficiency in every space.

Schedule a consultation

Related products

Cookies consent

For the best experience of using our website, we need your consent to the processing of cookies. These are small files that are temporarily stored in your browser. Thank you for giving it to us and helping us to further improve the website.