Availability: In Stock
Price: $80.75 $99.95
You Save: $19.20 (19% Off)
Color: White
  • Cool, invisible moisture helps provide relief from dry air discomfort
  • Wide water tank opening for easy fill and clean
  • 3 speed settings to adjust moisture output and sound level
  • Wicking filter captures minerals from the water, helping to prevent white dust
  • Use Genuine Honeywell replacement filters for best results.
  • Uses HAC-504 series replacement Filter A

Cool Moisture Humidifier

This Honeywell Cool Moisture Humidifier is an excellent source for introducing a steady stream of comforting humidity that can help throat and nasal passages stay hydrated. Designed with a wide tank opening, this cool moisture humidifier can easily be refilled and cleaned. The removable tank is dishwasher safe and break resistant for increased peace of mind. The availability of three speed settings allows for more control in finding the perfect moisture output and sound level for your setting. The Honeywell Cool Moisture Humidifier is an excellent choice for medium sized rooms and is capable of running up to 24 uninterrupted hours per filling.

Genuine Honeywell Wicking Filter A

This cool moisture humidifier works with Honeywell Replacement Filter A. Designed for optimal moisture output and inhibiting up to 99.99% of mold growth on the filter, this Genuine Honeywell Humidifier Wicking Filter captures minerals from the water and helps prevent the buildup of white dust. The updated version of the Honeywell Replacement Filter A features a blue pre-filter layer that helps capture large airborne particles from the air that passes through the filter.

Protec Antimicrobial Cleaning Cartridge

The Honeywell Cool Moisture Humidifier can also use Protec Humidifier Cleaning Balls. Protec Antimicrobial Cleaning Cartridges feature a patented antimicrobial, Aquastat that continuously works to hinder the growth of bacteria and mold. They're also capable of preventing the buildup of slime in the water and humidifier surfaces. Protec Antimicrobial Cleaning Cartridges work in all humidifiers and are safe/non-toxic. Aquastat contains no harsh chemicals or harsh acids making the cleaning action just as gentle as water on your humidifier surfaces and components.

I hear the fan turning, but I don't see any mist. Is my humidifier operating properly?
Dry air is pulled through the system and a fan disperses invisible, moisture balanced air. There is no "mist" emitted. When operating normally, you will feel only cool air coming from the unit. Monitor the water level in your Tank/Base. If you notice a decrease in the Water Tank over 24 hours then the unit is operating normally.
My unit has been running for several hours. I hear the fan spinning, but I do not notice the water level in the tank decreasing.
First, check the filter to ensure it is wet. If the pad appears dry, remove it from the Base and gently rinse under cool water. Reposition wet filter in the Base. You may also want to note the current moisture level in your home. If the humidity level is over 60% the unit will not put out much moisture as your air is already saturated. Also verify the upper enclosure and water tank are properly seated.
My filter has turned light brown and rust colored. Do I need a new filter?
Probably not. Since your filter has been made with Protec antimicrobial, the change in color indicates only a mineral deposit. Soak filter in a sink full of cool water to help break up deposits. The discoloration may remain but will not affect the humidifier's performance.
My humidifier doesn't appear to be as clean as when I first purchased and/or I'm smelling an unpleasant odor. What should I do?
You probably need to replace your Protec Antimicrobial Cartridge. This cartridge helps your humidifier stay cleaner, longer and helps freshen the mist. If you have been using your humidifier regularly for over 30 days replace the Protec cartridge and follow the cleaning instructions.
Product Details
Product Specs
UPC:
092926003500
MPN:
HCM350V3R1
Category:
Humidifiers

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HCM-350 customer reviews

Overall Rating

4.9
128 Reviews
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127 customers recommend this product
Honeywell Cool Moisture Humidifier - White, HCM-350 Reviews
Stephanie P
November 26, 2023
Verified Purchase
Tried and True Humidifier

I have owned 3 of these exact same humidifiers in the past (at our last home). I got rid of them, not thinking that I would need a humidifier in our new home. Oh boy...was I wrong! I am thrilled that they still make this particular humidifier because it really gets the job done. They are easy to use and clean, except for the fan area, which accumulates dust and dirt over time. That is the only drawback with this humidifier. I really wished that Honeywell would revamp this model, to make it easier to clean the fan area. Otherwise, I love, love, love this humidifier!

Joe G
February 14, 2023
Verified Purchase
Humidifier HCM-350

Happy to have it and it works great. Quiet and easy to operate.

Sandra H
January 21, 2023
Verified Purchase
Best Product

I had to wait for this item to be back in stock but it was worth the wait. It is the best product for a Humidifier that I have ever had. Thank you!

Charles Stonick
November 28, 2022
Great Product!

For a change I have gotten a product that exceeds my expectations. I used it all last winter in my bedroom and it kept the humidity between 40 and 50 . Tank size is adequate to make it thru the night no matter how low the humidity was when I went to bed. One caveat. Use the Honeywell wicking filters. I bought a bargain brand and it just didn't work very well. Sagged into a mass and so wasn't efficient.

Rilla P
November 22, 2022
Verified Purchase
Quiet and efficient

I like the large tank and the quiet setting. Notice difference right away especially with the dry winter weather

Lee Ann C
November 7, 2022
Verified Purchase
Love ❤️

I haven't used this much because the weather here has been soo mild that we haven't had to turn the heat on. 🙃 Easy set-up and I like not having to purchase distilled water I can just use tap water. I bought an extra filter as a backup. The unit is quiet although I wouldn't mind if it was noisy because I sleep with a tower fan and ocean waves sounds Alexa anyway. I have this humidifier in my bedroom. I'm very happy with this purchase. ☺️ Thank you!

Mario P
July 13, 2022
Verified Purchase
Honeywell Cool Moisture Humidifier - White, HCM-350

High quality, ergonomic, low noise easy to clean. perfect for their functions.

Jody R
June 20, 2022
Verified Purchase
Very happy

This humidifier is great !

Jody R
June 20, 2022
Verified Purchase
Very happy

This humidifier is great !

Rosemary K
June 7, 2022
Verified Purchase
HCM-350

We waited almost a year for these humidifiers to be in stock again. They are high quality and last many years if maintained per guidelines.

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