FOUR HOME - Household Type Heat Recovery Devices

  • High efficiency EC Plug fans with low noise
  • Recovering efficiency up to 94%
  • Optional electric heater or DX / heater / cooler battery
  • Sensitive blowing air control
  • Easy montage
  • By-pass damper (freecooling and recuperator)


Four Home-Household type heat recovery devices are used in homes that require fresh air. It reduces the heating and cooling load of the house by heat recovery. It is possible to obtain up to 94% efficiency by means of the reverse flow recuperator with polypropylene material. Operates quietly with 25 mm acoustic insulation. Automatic defrosting for all working conditions. On the air side G4 and the optional high efficiency F7 filter are available.

Filter pollution control is provided by the integrated filter monitoring system.

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FOUR HOME - Household Type Heat Recovery Devices