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  1. Products & Services
  2. Machinery - HomeComfort
  3. Humidification
  4. Air washers
  5. AW 20 S

Air washer AW 20 S

3-in-1 comfort device with combined sensor and HEPA filter – our best recommendation for a perfect room climate

The air we breathe is pure vital energy; its quality has a direct impact on our well-being and health. And since we breathe in about 8,000 litres of air each day – approx. 80 % of which indoors –, an ideal room air quality is a decisive factor for vigour and vitality.

The air washer AW 20 S is perfectly equipped to ensure optimum room air quality at all times. In addition to the relative humidity, the intelligent combined sensor also permanently detects the particle burden of the room air and autonomously controls the automatic mode for perfectly humidified and cleaned air.

With the AW 20 S, even allergy sufferers can breathe a sigh of relief: thanks to effective HEPA filtration, the air is not only freed from house dust, pollen and animal hair – even the tiniest dirt particles consisting of fine particulates, allergens or mould spores are filtered out reliably.

Restful sleep is also guaranteed: In night mode, the AW 20 S operates ultra-silently and reliably frees the room air of pollutants while maintaining an ideal humidity level thanks to the natural principle of self-regulating cold evaporation so that your skin, nose and eyes are protected against drying out and you can benefit from a good night's sleep.

Additionally, an optimal humidity level also ensures reliable protection of your furniture, plants, parquet floors and musical instruments against drying out due to too dry room air.

With its range of functions, this air washer guarantees maximum versatility: the HEPA filtration can simply be deactivated if it is not needed – and since the humidification function can also be switched on and off separately, the AW 20 S is the ideal solution for room air purification throughout the year.

A few practical benefits:

  • Sensor-controlled air purification and room air humidification by cold evaporation – conveniently combined in one device
  • Intelligent combined sensor for simultaneous measurement of air humidity and quality enables energy-saving automatic operation
  • Reliably removes house dust, pollen and animal hair from the air and simultaneously keeps it ideally humidified
  • HEPA filter function can be activated for maximum air purification efficiency
  • 9 different operating modes available
  • Functionality for ultra-silent night operation
  • Large water reservoir for long maintenance-free operations
  • Low-maintenance and uncomplicated – easy disassembly and cleaning
  • Low follow-up costs for maintenance and care
  • Variable fan control for need-based room adjustment
  • Can be used for air purification all year round thanks to a humidification function that can be switched on or off separately
  • Many practical comfort functions
With 9 different operating modes, the AW 20 S can be configured for every demand in an uncomplicated manner. An illuminated scale informs you about the current humidity values in the room at any time and a coloured display additionally indicates the current air quality level.
AW 20 S
Cleaning of the air cleaner is just as simple and effective as the operation of the AW 20 S itself, and requires only a few steps. The device can be easily disassembled for cleaning purposes and cleaned quickly. This way, even a regular filter change is an easy job.
AW 20 S
Not only the operation but also the care of the AW 20 S is particularly convenient. Since the device is designed in an extremely maintenance-friendly way, all components are easily accessible. Practical detail: A suitable cleaning brush for the humidifier disks is always readily available in the side compartment.
AW 20 S


Technical data

Technical data
General information
  Article number
Humidification performance
  Max. humidification performance [ml/h] 750 ml/h
Air flow rate
  Level Max. [m³/h] 228
Electrical values
  Mains connection 230 V/50 Hz
  Power input [W] 24
Electric connection
  Connection plug CEE 7/16
  Cable length [m] 1.7
Recommended room size
Water tank
  Contents in [l] 9
Sound values
  Level min. - Distance 1 m [dB(A)] 25
  Level Max. - Distance 1 m [dB(A)] 47
  stages 3
  Length (packaging excluded) [mm] 410
  Width (packaging excluded) [mm] 325
  Height (packaging excluded) [mm] 420
  (packaging excluded) [kg] 10
Equipment, features and functions
Housing design
Functions and features
  Humidification function can be switched on or off separately
  Pre-filter (replaceable) for higher filter efficiency
  97.97 % effective HEPA filtering of pollen, dust mite residue, mould fungus spores and other allergens
  HEPA function can be switched on or off as needed
  Effective functional principle without limescale or wet spots
  Combined air quality and humidity sensor for automatic control
  Noiseless night operation in whisper mode
  Water filling level indicator
  Automatic switch-off when water tank is empty
  Operating modes 9

 standard equipment

 optionally available

 not available



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