I have a back bedroom with sealed windows, and it gets dry sometimes. It’s for a person with horrible allergies. This room is so clean you could eat off the floor so to speak. I run a humidifier set to 60% with distilled water for the person in there. When I checked on it last night to see if it needed to be filled, the humidity had gone up to 82%. This was because a ceiling fan had been left on and the sensor in the humidifier wasn’t getting correct data from the moving air (I think). My hallway smoke / Co2 detector went off as soon as I opened the bedroom door. It would not clear until I pointed a hair dryer at it, then it shut the hell up.

TLDR: My smoke detector doesn’t like humidity all of a sudden?? and went off and would not clear. It has been more humid than that in the entire house without humidifiers running, and I have the same detectors in other locations with no issues.

  • @Anamnesis
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    21 year ago

    This sounds wild but you don’t live near Seattle, do you? We just had a minor earthquake and the next morning all my smoke detectors went hog wild. Apparently that can happen?