Dynair REC DUO 100 – Decentralized Heat Recovery Unit


  • Stylish and ultra-slim front cover. Very compact dimensions.
  • Ceramic type high efficiency exchanger.
  • Provided with filters G3 class both in intake and in extract, easily removable and washable.
  • Free-cooling and Antifreeze functions.
  • EC brushless motor.
  • Comply with EN 60335-2-80, LVD 2014/35/UE, EMC 2014/30/UE.
  • IPX4
  • CE marked


  • RLS remote controller (on/off switch and boost actication) suitable for versions Rec Duo 100 and Rec Duo 100 MHY


REC DUO 100 is the new and innovative decentralized HRU with heat recovery up to 90%.Suitable for any  kind of rooms and ideal for a coupled installation to optimize the system efficiency.

Easy Installation and maintenance:

  • Magnetic coupling/uncoupling of the unit.
  • External grill with net installable from the inside.
  • ø 100
  • Telescopic duct.

Suitable for walls with thickness from 300 to 500 mm (adaptable to other wall thickness from 220 to 1000 mm).

REC Duo 100 is a “push-pull” HRU with reverse flow. It  is provided with a ceramic heat exchanger that accumulates the heat from the extracted air during the “pull” cycle and releases it to the new fresh air during the “push” cycle.

It is designed for a 24 hrs running at the minimum speed. The unit switches to the extraction operation modality when speed boost is activated manually (through remote switch or remote controller RLS available as accessory) or automatically through the humidistat for versions REC Duo MHY and REC DUO RC.