[header] How to clean a warm mist humidifier [title] Unplug your humidifier and let it cool. [step] Before cleaning your humidifier, be sure to unplug it from the wall. If it's been running, let the humidifier cool down until it is completely cool to the touch. 
[title] Remove all detachable parts from your humidifier. [step] Gently remove any detachable parts of your humidifier for cleaning, so you can better access the water reservoir inside.