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Color: White
  • Filter free relief from dry air discomfort
  • Wide tank opening for easy fill and clean
  • Essential oil cup- allows for your favorite essential oil or liquid inhalant to be added
  • 2 comfort settings with auto shut-off, when tank is empty
  • Refill light lets you know when water is low

Filter Free Warm Mist Humidifier

This Honeywell Warm Mist Humidifier delivers a soothing warm mist that provides relief from dry air discomforts. Quiet, filter-free operation allows long-lasting use without the costs of replacing a filter. This warm mist humidifier comes with 2 comfort settings and an automatic shut off function. A refill light has been added to ensure that you'll always be in the know when it comes to adding water to the humidifier's tank. This warm mist humidifier also implements a wide tank opening to discourage spills when refiling its 1 gallon tank. The addition of an essential oil feature encourages the use of essential oils or liquid inhalants. The Honeywell Filter Free Warm Mist Humidifier in intended to be used in medium rooms and is capable of running up to 24 uninterrupted hours per filling.

Protec Antimicrobial Cleaning Cartridge

The Honeywell Filter Free Warm Mist 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.

Product Details
Product Specs
Product Manuals
Honeywell Filter Free Warm Mist Humidifier, White Video

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HWM845W customer reviews

Overall Rating

8 Reviews
8 customers recommend this product
Honeywell Filter Free Warm Mist Humidifier, White Reviews
October 31, 2023
I have had one for almost 6 years:

And I’m about to buy another to keep that winter static at bay. These are the complete package to your winter home health arsenal. I know you can use tap water with it, but to keep the mineral build up at bay, I’m using distilled. Keep making these powerhouses, you won’t be disappointed when you buy this

Walter Broedner
May 26, 2021
Verified Purchase
Honeywell humidifier

I have bought 2 of these before and they last forever, are extremely low maintenance, and they operate like a workhorse. Walt

michael l
March 24, 2021
Verified Purchase
working fine so far

I have been using it for about 10 days. Works fine. 1 gallon lasts about 24 hours on low and 12 hours on high. I have hard water so the heating element gets calcium deposits after just one gallon used so it must be cleaned and decalcified often. Consequently I have switched to distilled water. I do wish it had a medium setting. It is pretty quiet even on high although my wife likes a little background noise when sleeping, so sound is a relative thing. The only thing that bothered her a little at first was the bubbling sound that happens ever once in a while when water drains from the water canister to the base heating unit. She got used to that quickly.

Barbara Newman
March 2, 2021
Verified Purchase
Wonderful product

Easy to use efficient and maintain ... does exactly what it's supposed to do.

Marie Wolfe
January 18, 2021
Verified Purchase
Good for small rooms

This product is good for small rooms.

Jody Cooper
December 4, 2020
Verified Purchase

Works exactly as anticipated and so glad I went with Honeywell!

Farrell Adkins
July 7, 2020
Verified Purchase
Warm mist humidifier

Didn't work at first, but after dismantling & laying on its side, it started to work perfectly! Satisfied customer. Thanks.

Gaylon Chamberlain
May 18, 2020
Verified Purchase

High quality and fits my needs perfectly

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