Zehnder CA185WM−GB ComfoAir 185 WM Heat Recovery Unit



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Product Description

The ComfoAir 185WM is a ventilation system designed to provide improved indoor air quality in dwellings. As a whole house system, the unit continuously extracts air from the non-habitable rooms and supplies fresh, filtered air to habitable rooms. Heat that is recovered from the air drawn from the bathrooms and kitchen is passed through a heat exchanger and the heat that is recovered is transferred, to temper the supply air in
habitable rooms to provide a comfortable indoor environment.

A boost speed facility is provided to increase the ventilation rate, e.g. when cooking or showering, providing a comfortable indoor environment.

The Zehnder ComfoAir 185WM for wall cupboard or tallboy kitchen cupboard mounting with SMART technology heat recovery unit designed to enable better and easier specification of ventilation in new properties. It contains features such as its automatic true summer by-pass, high heat recovery efficiency and integrated humidity sensor to provide a comfortable, healthy and energy-efficient indoor climate.



  • Left or right hand configuration through software alone, no mechanical alteration required.
  • 100% full and filtered summer bypass.
  • Modern, discreet design.
  • Easy installation to wall cupboard or tallboy kitchen cupboard
  • Light to handle.
  • BMS capability.
  • Tool free filter access.
  • Volt free contact boost capability.
  • CommissionSMART™ is a commissioning wizard that enable a quick and simple set-up process.
  • SummerSMART™ ensures automatic full by-pass activation providing filtered supply air 365 days a year.
  • 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.
  • 100% variable AUX speed for use as away mode, medium
    speed or purge boost.
  • H 899mm x W 550mm x D 555mm


Manuals & Guides
Zehnder ComfoAir 185 WM HRU Datasheet
Zehnder ComfoAir 185 WM HRU Installation

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