Greenwood CMEV.4eHT Humidity & Timer Central Ventilation Unit



In stock (7 units), ready to be shipped

Product Description

The Greenwood CMEV.4eHT Humidity & Timer Central Ventilation Unit is a central extract unit designed to enable better and easier specification of ventilation in new properties. It contains features such as its incredibly low specific fan power and compact size to provide a low running cost and space saving installation.

The system allows for extreme versatility being very compact and housing five staggered round extraction ducts which are usually from the kitchen, bathrooms and toilets and are expelled via one exhaust duct to the outside.

  • TimerSMART™ - eliminates nuisance noise and over ventilation by determining the duration of occupancy and allocating a suitable overrun time

  • HumidiSMART™ - continuously monitors the humidity level within the home and looks for a man-made spike before boosting the unit, irrespective of distance or dilution


  • Specific Fan Power of just 0.16w/l/s.
  • 5 individual 125mm extract spigots available.
  • Compact design.
  • Versatile installation to wall, ceiling or floor.̲
  • Light to handle.
  • 100% variable speed motors for precise commissioning.
  • BMS capability.
  • 0-10V input.
  • Volt free contact boost capability. 


125mm or 5" solid ducting is recommended to minimise air resistance.


Brand Greenwood
Spigot Size 125mm
Max Perf Low Speed 51 ltrs/sec    
Max Perf High Speed 129 ltrs/sec
Warranty 2 year manufacturer
Motor Type DC
Humidity Yes
Timer Yes
Height 260 mm
Width 381 mm
Depth 371 mm

Manuals & Guides

Greenwood CMEV.4eHT Humidity & Timer Central Ventilation Unit Data sheet
Greenwood CMEV.4eHT Humidity & Timer Central Ventilation Installation Instructions

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