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Dry sinuses and waking up parched in the winter? A small room humidifier can make a big difference, and this Honeywell needs no filters.
It gets cold here in the winter, and there’s not a lot of humidity. If you live in a dry climate like a desert, you can suffer from low humidity too. Sometimes it’s nicer to humidify a single room than the whole house, and it’s handy for sensitive guests or travel. I picked this Honeywell warm moisture humidifier because it was basically the cheapest I could find, under $30 at the time, and I liked the capacity. Here’s how it works.
- No filters to buy or let get gross
- Very inexpensive
- Good tank capacity for its size
- Spring stopper means no spills when you flip the tank
- Small, black, modern design
- Long cord, so you can put it almost anywhere
- Sized for single rooms, not a whole house
- Not a huge humidifier
▶ Watch the full review on YouTube
Why a room humidifier
Especially in extremely cold weather, low humidity can mean sinus issues or feeling really dry when you sleep, and that can make for a really unpleasant night. A room humidifier is a simple fix, whether it’s your bedroom, a guest room or a trip.

The tank
The smoked plastic tank has a handle on top and is completely sealed; the bottom opens by unscrewing the cap, very much like Honeywells I’ve had in the past. There’s a spring-loaded stopper that opens when you put the tank back into the base.
Fill it with regular room-temperature water, not hot water, screw the cap back on, carry it by the handle and drop it in. I filled mine about 75 percent and flipped it over, and no water came out thanks to the stopper. When you set it in the base, you’ll see little bubbles.

How it works and settings
A little switch on the back unlocks a back piece so you can get to the vaporizer. Water drains into a tray at the bottom, and the unit sends water vapor up through a little chimney. The dial on the side goes off, 1 and 2, and there’s an indicator with an exclamation point that lets you know when it’s empty.
Turned to 1, I could see a thin layer of water shimmering at the bottom of the chimney, and I could feel it wafting vapor into the air. These are generally good for rooms of about 400 to 500 square feet.

Verdict
I really like the small size and black modern design for single rooms, and no filters to replace is a big plus; filters get gross if you don’t have the right ones. It’s also very inexpensive.

FAQ
Does the Honeywell warm moisture humidifier need a filter?
No. It is filter-free.
What water should I use?
Regular room-temperature water, not hot water.
How big a room does it cover?
Humidifiers like this are generally good for about 400 to 500 square feet.
How do you fill it?
Unscrew the cap on the bottom of the tank, fill it, screw it back on and drop it into the base. A spring stopper keeps it from spilling.
What are the settings?
A dial with off, 1 and 2, plus an empty indicator.
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