Cool Mist Humidifiers

Bemis cool mist home humidifiers are multi room humidifiers for use in a bedroom or office to help relieve sinus pressure and headaches, allergies and asthma with clean, moist air. Cool mist humidifier ratings, reviews and comparisons. Reports on Bemis humidifiers by consumer experts.

This cool mist humidifer does not offer a whole host of bells and whistles, but it gets the job done and has an enviable track record for reliability and durability. With two easy-to-fill 1.6 gallon reservoirs, an automatic humidistat, adjustable 3 speed fan, and 1 year limited warranty, this humidifier will deliver clean, moist air as promised.

Bemis Cool Mist Humidifiers are suitable for someone who...

  • Needs a portable, multi room hu midifier for moisturizing dry air in adjacent rooms in the home or office
  • Needs to disperse humidity up to 1100 square feet of space (typically 2 or more adjacent rooms)

  • Wants a quiet humidifier that features evaporative wicking action - a natural process of evaporation that is ideal for a minimum of noise in the bedroom
  • Wants two easy-to-remove water reservoirs for longer moisture dispersion
  • Wants a cool mist humidifier that doesn't use heat or ultrasound to force water into the air
  • Wants to control the air humidity levels in the room with an automatic humidistat that adjusts the moisture in the air to suit your needs
  • Wants the humidifier to automatically to shut off when it runs out of water

Learn More about Humidifiers

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Use and Care of Humidifiers - EPA

Cool Mist and Warm Mist Humidifiers Features Comparison

Features of Bemis Cool Mist Humidifiers

  • An evaporative wicking action that emits a quiet, clean cool mist into the air - ideal for the bedroom
  • Can disperse up to 5 gallons of water per 24 hour period up to 1100 square feet of space
  • Two easy-to-fill tinted plastic containers that hold 1.6 gallons of water each
  • Exclusive smart comfort sensor with automatic humidistat for controlling humidity levels in the area
  • Special night time setting and automatic shut-off when out of water
  • Less costly operation than humidifiers that use heat or ultrasound to force water into the air
  • Adjustable three speed fan

    Care and Use Instructions for Bemis 336-500 humidifiers: These humidifiers should be cleaned regularly when in use with soap and water. Bleach should not be used. The water wicks inside the unit should be changed every 3-4 months and the air cleaning humidifier filter can be rinsed under cold water and air dried. The grills on top are removable if you need to wipe the fan.

Technical specifications of Bemis Cool Mist Humidifiers

Bemis 336-500 Humidifier Model

Bemis 336-500 Humidifier Model

Type of humidifier mist

Cool Mist

Water capacity

Two easily removable 1.6 gallon water reservoirs

Humidifier fan speeds


Humidifier power supply

120v, 60hz, 60watts

Weight of humidifier

10. 5 lbs (empty)

Room area coverage

up to 1100 square feet

Humidifier dimensions

12" H x 13.25" W x 19.5" L

Water dispersion

Up to 5 gallons per 24 hr period

Color of humidifiers

Grey granite with smoke tinted bottle

Auto shut-off


Warranty on humidifiers

1-year limited

Reports by consumer experts on Bemis Cool Mist Humidifiers
Courtesy of Allergy Buyers


  • Quiet, easy-to-use humidifiers that are economically priced
  • Built-in humidistat controls the humidity levels in your room automatically
  • Best for a warm climate region of the country where you do not want to add heat to a room


  • Needs to be cleaned frequently
  • Cool mist has a slightly clammy feel
  • Often takes longer to adequately humidify a room to required levels

Summary: These cool mist humidifiers are a good value for covering multi-rooms and are ideal for the bedroom since they are fairly quiet. Still, these humidifiers need to be cleaned more frequently than some other units that we tested.