Honeywell Cool Moisture Humidifier (HCM350)

  • Question: What Filter Do I Need?

    Answer: HAC504 Filter A

  • Question: How Do I Know Which Size Humidifier Will Best Fit My Room?


    Room Size Chart

    Small - Up to 250 ft²

    Medium - ~250-400 ft²

    Large - ~400-600 ft²

    XL/Multi - ~700-1200 ft²

    *Room sizes are estimates based on measurement in accordance with ANSI standards for homes of average insulation.

  • Question: How do I change the filter on my humidifier?


    Follow the directions below to change the filter on the HCM350:

    Turn off and unplug the unit.
    Remove water tank.
    Lift off upper enclosure.
    Remove and discard used filter.
    Soak new filter in cool water; do not wring or squeeze.
    Place wet filter into unit.
    Replace upper enclosure.
    Replace water tank.

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