Honeywell 1/2 gal 250 sq ft. Mini Cool Mist Humidifier, Black, HUL525B
Honeywell 1/2 gal 250 sq ft. Mini Cool Mist Humidifier, Black, HUL525B
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Honeywell 1/2 gal 250 sq ft. Mini Cool Mist Humidifier, Black, HUL525B

4.3 stars out of 672 reviews
(4.3)|
672 ratings

Key item features

  • Optimal Humidity: Helps maintain indoor humidity levels between 40-60%, which can alleviate cough/congestion, hydrate nasal passages, and provide temporary relief from dry air discomfort.
  • Compact Design: This mini humidifier is ideal for small rooms, desktops, or nightstands, offering a visible cool mist without occupying much space.
  • Effortless Operation: Features a wide tank opening for easy cleaning and refilling, up to 24 hours of run time, and an automatic shut-off function for convenience.
  • Quiet Performance: Operates with ultra-quiet technology, making it suitable for bedrooms, nurseries, or as a baby humidifier, without the need for filter changes.
  • Customized Moisture: Provides variable output settings and a directional mist outlet, allowing users to personalize the moisture level in their environment.
  • Trusted Brand: Honeywell has a century-long history of providing home comfort solutions, including humidifiers, ensuring reliability and user confidence.
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4.3 out of 5 stars
stars672 ratings387 reviews
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Reviews summary

Pros
  • : Filling process is simple.
  • : Provides controllable moisture levels.
  • : Simple setup with minimal effort required.
  • : Ideal for small areas, such as bedrooms and desks.
  • : Has a designated area for adding them.
Neutral
  • : Can be quiet, but also produces noticeable sounds.
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Showing 1-3 of 387 reviews

Feb 7, 2023
Barb
5 out of 5 stars review

Verified Purchase

We like this humidifier

The first night we used the humidifier it was making a water dripping noise. Called the customer service and they said this was normal. I figured if I couldn't get used to the sound I'd return it but after the first night the noise went away and it runs quietly.

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Jun 7, 2025
Joel
Item details
Color: Black
5 out of 5 stars review

Verified Purchase

Nice product.

I use this in my home office where I have a hygrometer (humidity meter.) It works just fine for one room. Great in the winter when the furnace is drying the air. Easy, inexpensive. Not for the open spaces like living room-kitchen.

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Feb 22, 2025
B
Top Reviewer
Item details
Color: Black
4 out of 5 stars review

Verified Purchase

Overall quite nice

Not bad, but I have a couple complaints. The good: -Works fast -Nice amount of moisture, love being able to adjust it easily -Easier to clean than most I've tried -Small and easy to handle -Nice clean appearance The bad: -It's quiet, but there is definitely a motor sound. I'm sensitive to certain sound at night, so I have to turn my purifier up a notch to drown out the sound of my humidifier -While cleaning is easier than those with a filter, it's still sort of tough, you can't shake out all the water with the way it's designed. You actually have to go in with a towel and dry it out if you plan to store it later on Overall, for the value, I think it's pretty nice! I'm glad I bought it and have no regrets. However, since this is something I use all the time, I wish I'd done a little more research and got something nicer, even if it had cost significantly more. (Personal opinion- I'm picky!)

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