Cool Moisture Humidifier, HCM350 Cool Moisture Humidifier, White

Cool Moisture Humidifier, HCM350 Cool Moisture Humidifier, White

Designed to bring you everyday comfort, this Honeywell Cool Moisture Humidifier will add invisible moisture to your air and help soothe a dry throat or dry, itchy skin caused by a heater, air conditioner or dry air climates.

  • Cool, filtered, invisible moisture
  • 3 comfort settings
  • Quiet operation
  • Dishwasher safe & break resistant

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Product details

Details & Dimensions

This cool moisture humidifier has 3 speed settings to adjust the moisture output and sound level. The wicking filter removed impurities from the water reducing white dust and providing clean moisture output, allowing you to feel relief from cough and congestions and helping with a better night’s sleep.

Room Size: Medium
Tank Size: 1 gallon tank
Run Time: up to 24 hours
Dimensions: W 9.3″ x H 11.4″ x L 17.9″
Compatible Filter: HAC504 (one included)

For best performance, use only Genuine Honeywell humidifier filters.

Owner's Manual & FAQs

Owner’s Manual: Cool Moisture Humidifier (HCM350)


Question: Which filter is compatible with the HCM350?

Answer: The HCM350 is compatible with the HAC504 Filter A.

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

Answer: 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.

For additional FAQ or post-purchase support, please visit our support page.

Videos & Support

Product Features
Learn about the features of the Honeywell Cool Moisture Humidifier, HCM350

How to Clean
Follow these simple steps to clean your Honeywell Cool Moisture Humidifier, HCM350


3 Year Limited Warranty

What You’ll Need to Register Your Heater:

  1. Model number for each product you purchased
  2. An email address. We will use this to send you confirmation of your registration
  3. The purchase date of your product

What You Need to Know About Your New Humidifier

3 Comfort Settings
Adjust moisture output & sound level
Break Resistant Water Tank
Break resistant & dishwasher safe
Quiet Invisible Mist
Perfect for bedroom use
Wide Tank Opening
Easy to fill & clean
Wicking Filter
Help remove physical impurities from water reducing white dust and provides clean moisture output