4 Gallon output/day humidifier with electronic controls is up to 40% quieter than other cool mist humidifiers. Operates 12-24 hours on a single filling and is recommended for large rooms (850-1,400 sq.ft.).
Manufactured by: KAZ, Inc.
Model: HCM-645
Product ID: f82c7b6a614dd2e3cd265219a72feb8a
4 based on 5 stars
49.99 New

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Quietcare™ Cool Moisture Humidifier

Model Number: HCM-645
Category: Humidifiers
Color: white
Room Size: Large
Warranty: 5 Year Limited

The 4 gallon Honeywell QuietCare™ humidifier provides invisible, cool moisture. The EasySet™ Electronic Controls are simple to use with individual controls for desired speed and humidity, making it easy to maintain your desired comfort level. The humidifieruses a Protec Antimicrobial treated filter to help prevent the growth of mold and bacteria on the filter. This humidifier is recommended for large size rooms and is ideal for bedrooms and living rooms. It's compact, space-saving design allows for placement anywhere in your home.


  • Up to 30% quieter
  • Easy to clean, carry and fill
  • Dishwasher safe base
  • 12-24 Hour run time per filling
  • Humidifies up to 1,400 sq. ft.
  • Replacement filter: HAC-504/HAC-504AW

Filters and Accessories