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Honeywell HCM-350 Humidifier

Honeywell HCM-350 Germ Free Cool Mist Humidifier

Honeywell HCM-350B Germ Free Cool Mist Humidifier

Honeywell HCM-350 Germ Free Humidifier

  • Out of Stock - This item is not currently available to order.

  • 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

    Manufacturer's Literature

    Owner's Manual
    User's Guide for the Honeywell HCM-350 Germ Free Cool Mist Humidifier

    What's In The Box?

    • Honeywell HCM-350 Cool Mist Humidifier
    • User Manual
  • Specifications

    Type of HumidifierCool Mist
    Humidifier TechnologyEvaporative
    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 Refill24 Hours
    Fill TypeDirect Pour
    Water Refill IndicatorNo
    Mist Output ControlNo
    Programmable TimerNo
    Wick FilterYes
    Frequency of Filter ReplacementsSeasonally
    Air FiltrationYes
    Germ ProtectionYes
    Demineralization CartridgeNo
    Automatic Safety ShutoffNo
    ColorWhite, Black
    Maximum Wattage50 W
    Voltage110-120 V
  • Frequently Asked Questions

    What is your return policy?

    We offer a 30-Day Money-Back Guarantee on all of our products. If you are not satisfied with your purchase for any reason, simply return the product to us within 30 days and we will process your refund. For policy details and exclusions, please read our full Return Policy

    What is your shipping policy?

    Standard shipping (3-6 business days) is free to the lower 48 states.

    Expedited shipping is available for select products. Shipping to Hawaii, Alaska, and Canada may incur an additional fee, depending on the items ordered. With the exception of Canada, we do not currently ship to international locations. Items typically ship 1-2 days after you place your order. For more information, visit our Shipping and Delivery page.

    What types of payment methods do you accept?

    We accept Visa, MasterCard, American Express, Discover Card, and Diners Club credit cards. Additionally, you can checkout using PayPal.

    As a Sylvane shopper, you can purchase with confidence knowing that your information will always remain confidential and secure at all times. Our website is tested daily for security flaws by a well-known third-party security firm. It also meets the security recommendations of the Department of Homeland Security's National Infrastructure Protection Center (NIPC) and passes the FBI's Twenty Most Critical Internet Security Vulnerabilities Test.

    After I place my order, when will my credit card be charged?

    Your credit card will be charged when your order is shipped.
    Want to submit an FAQ? Hold tight. We're enhancing this section to make it even more useful for you. Feel free to call us at 1-800-934-9194 for answers to any product-related questions.
  • Reviews

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