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Honeywell HCM-350 Humidifier

Honeywell HCM-350 Germ Free Cool Mist Humidifier

Model: HCM-350 | SKU: ho3038
Price: $74.95
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Additional Warranty Options Available
1-Year Extended Warranty (Product Replacement) ($14.95) Details
2-Year Extended Warranty (Product Replacement) ($19.95) Details
  • Product Overview

    Relieve dry air discomfort with healthy germ-free moisture using the Honeywell HCM-350 Humidifier. This portable cool mist humidifier disperses 2 gallons of soothing mist per day to cover up to 360 square feet. Place it on your nightstand, end table, or countertop for comforting humidity wherever you are. Top features include a mineral-absorbing wick filter, ultraviolet germ-killing light, user-friendly controls, 3 speeds, and easy maintenance. The Honeywell HCM-350 was recently recommended by a leading consumer reporting magazine. In tests, it received high marks in moisture output, user convenience, overall efficiency, low noise level, and hard water operation.

    Self-Regulating Humidity

    The Honeywell HCM-350 Cool Mist Humidifier releases the right amount of moisture each time you use it—no more and no less. As it runs, cool moisture output is regulated automatically using evaporative technology. The mist output naturally adjusts to the ideal amount for your indoor air temperature, eliminating the guesswork. Your room stays evenly humidified and you stay comfortable all day.

    Healthy Germ-Free Moisture

    Conventional humidifiers can quickly become breeding grounds for harmful germs, bacteria, and viruses. The Honeywell HCM-350 fights germ growth with a two-step germ-killing process. First, an antimicrobial-treated filter absorbs minerals and pollutants in the water and prevents the growth of mold and mildew overtime. Next, ultraviolet germicidal light shines on the reservoir, killing bacteria, viruses, and other pathogens. In fact, independent testing found that UV light kills 99.9% of harmful pathogens such as e-coli, mold, MS2, and penicillium fungus after 2 hours of continuous use. With this Honeywell germ-free humidifier, you can rest assured that only clean moisture is released into your room.

    Additional Features

    • 3 Speed Settings - Use the low speed for nighttime operation, medium for every day humidifying, and high for a quick burst of soothing moisture.
    • Easy-Fill Reservoir - The removable water reservoir features a flat bottom design for easy and stable filling in the sink.
    • Carrying Handle - Use the built-in carrying handle to tote the water reservoir effortlessly to and from the sink.
    • Runs Up to 24 Hours - Enjoy less frequent fillings throughout the day. The HCM-350 runs up to 24 hours on a single fill.
    • Quiet Operation - QuietCare technology helps reduce fan noise by 25% compared to conventional evaporative humidifiers.
    • Long-Life UV Bulb - The UV bulb lasts 3,000 hours on average. No frequent replacements needed.
    • Dishwasher-Safe Water Tank - Maintenance is easy. Just pop the tank on the top rack of your dishwasher.


    With simple and straightforward controls, germ-killing features, and quiet operation—the Honeywell HCM-350 Humidifier is ideal for effective, low-hassle humidifying anywhere you need it.

    What Customers Love

    • Easy-Fill Design - No more awkward fillings. The water tank has a flat bottom design, helping it sit stably in a sink or on a counter for refilling.
    • Quiet Humidification - Customers report that this humidifier is the quietest they've found. It's quieter than a ceiling fan, even when running on high.

    Things to Consider

    • No Hygrometer - This humidifier doesn't have a hygrometer, which measures your ambient humidity and makes it easier to maintain an exact humidity level.

    Manufacturer's Warranty

    3-Year-Limited Warranty

    What's In The Box?

    • Honeywell HCM-350 Cool Mist Humidifier
    • User Manual

    View All Humidifiers »
  • Specifications

    Humidifier TechnologyEvaporative
    Type of HumidifierCool Mist
    Coverage Area360 sq. ft.
    Ideal ForSingle Room
    Height13.03 in.
    Width18.58 in.
    Depth10.39 in.
    Weight9.9 lbs.
    Moisture Output Per Day2 gallons
    Water Reservoir Capacity1.1 gallons
    Running Time Before Next RefillUp to 24 hours
    Fill TypeDirect Pour
    Water Refill IndicatorNo
    Humidistat Yes
    Mist Output ControlNo
    Programmable TimerNo
    Wick FilterYes
    Frequency of Filter ReplacementsSeasonally
    Air FiltrationYes
    Germ ProtectionYes
    Demineralization CartridgeNo
    Automatic Safety ShutoffNo
    Maximum Wattage50 W
    Voltage110-120 V
  • Product Q&A

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  • Reviews

    View All Honeywell HCM-350 Germ Free Cool Mist Humidifier Reviews


    by PowerReviews
    Honeywell HCM-350 Germ Free Cool Mist Humidifier

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



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    • 1 Stars



    Reviewed by 2 customers

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    A good humidifier

    By MB

    from Neptune, NJ

    About Me Value Oriented

    Verified Buyer



        Best Uses

        • Living Room
        • Smaller rooms

        Comments about Honeywell HCM-350 Germ Free Cool Mist Humidifier:

        Have only been using it a few weeks and it's doing a good job so far. Helps raise the humidity, is relatively quiet, and very easy to refill the water tank.

        (1 of 1 customers found this review helpful)


        Quiet Performer, But Small

        By Coach

        from Crown Point, IN

        About Me Quality Oriented

        Verified Buyer


        • Affordable
        • Attractive Design
        • Quiet


        • Small Water Tank

        Best Uses

        • Bedroom
        • Smaller rooms

        Comments about Honeywell HCM-350 Germ Free Cool Mist Humidifier:

        Used to humidify small office space. Fan is very quiet for the amount of water it disperses. Water tank is small and needs to be filled frequently.

        • Primary use:
        • Business

        Displaying reviews 1-2

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