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    Philips Support

    My Philips Humidifier does not humidify the air

    Updated on 25 August 2022
    If your Philips Humidifier does not humidify the air or you notice that the humidity indication/hygrometer does not change, find below how to simply solve this yourself.

    The room is too big

    There is a maximum room size that your Philips Humidifier can humidify. If you exceed the recommended room size for your specific humidifier model, the indication on your Philips Humidifier or hygrometer will not change since your humidifier will not be able to provide the expected results. 

    The humidification filter is not correctly assembled

    The humidification filter should be assembled around the filter support. Your humidifier cannot function without it. Please make sure this is the case.

    Note: The image below does not apply to HU59xx humidifier models.
    Humidification filter in Philips Humidifier

    Doors or windows are open

    When windows or doors are open, the humidity from your Philips Humidifier will not remain in the room. 

    Please close the doors and windows.

    The humidity level is 70% or more

    Depending on the model, Philips Humidifiers are designed to automatically switch off once the 70% RH (Relative Humidity) level is reached. The reason for this is that humidity above 70% is not comfortable for the users.

    This is a normal function and there is nothing wrong with your Philips Humidifier. To find out more about RH setting on your Philips Humidifier, please refer to User Manual specific for your model. 

    The humidification filter is dirty

    When the humidification filter is dirty, your humidifier cannot humidify. To solve this, please rinse the humidification filter. Remember that it should be cleaned regularly according to instruction on the User Manual specific to your model. If the scale has formed, descale it.

    Note: Your humidifier has an advanced cold evaporation system, which produces healthy humid air from the outlet area without the formation of water mist. The water vapor is invisible to human eyes and does not wet the floor or desktop.


    Did the solutions above, solve the issue? If not, please contact us for further assistance.
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