We are currently experiencing higher than normal call and email volumes, please visit our support page to find answers to common questions.

Clean Tank. Clean Mist.

Here are some helpful tips for cleaning the Honeywell MistMate Cool Mist Humidifier.

Daily

Empty your humidifier daily and refill with fresh water.

Weekly

Use undiluted white vinegar to remove scale (mineral buildup). Then, if desired, use a solution of 1 teaspoon bleach to 1 gallon of water to disinfect your humidifier.

Seasonal

At the end of the season, or if not using, descale and disinfect your humidifier (as outlined in ‘Weekly’) before storing. Never store humidifier with a used filter or other accessories.

Contact Honeywell

We are currently experiencing higher than normal call and email volumes and ask you to use our support page to find answers to common questions to more quickly serve your needs. We wish you and your family continued health and safety.

Personal Information

Product Information

  • Locate your product’s model number:Usually on the bottom of the machine or on the back of the motor, engraved into the plastic or on a sticker

    Locate your product’s date code: The date code is a 5 digit number stamped into one of the metal prongs on the plug of your unit.

Contact Us

Contact Us

We are currently working on upgrading our systems to better support your needs. Our regular support will resume Monday, August 31st at 9:00am EST. In the meantime, we invite you to visit our enhanced FAQ’s in an effort to better serve your needs.

Contact Us

Looking forward to serving you,

Honeywell