Honeywell HCM350 Cool Moisture Humidifier
- 1.1 gallon self-standing tank
- Up to 24 hours of runtime
- Evaporative with wicking filter
- UV technology to treat the water
- Dishwasher safe parts that touch water
- Honeywell Replacement Wicking Filter A
- 3 year limited warranty
- 9 pounds, 9.37 x 17.48 x 11.85 inches
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An evaporative bedroom humidifier that adds invisible moisture overnight and cleans up in the dishwasher. It needs genuine Honeywell filters and makes a soft fan-like sound.
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ASIN: B00FJTVHKOModel: HCM350Category: Humidifiers
Overview
Parents setting up a nursery or a child's bedroom get an evaporative humidifier from Honeywell that adds moisture without visible mist. A wicking filter draws up water that evaporates into the room, while UV technology treats the water and the filter captures minerals.
Invisible moisture and dishwasher safe parts make upkeep simple, and the tank lasts through the night. Honeywell asks for its own replacement filter, so filter purchases come with ownership, and the soft fan-like sound will not suit those who need silence.
Who it's for
Bedrooms and kids rooms with dry winter air are its target, running overnight. Anyone who dislikes replacing filters should look at filterless designs.
Pros and cons
- Invisible moisture, no visible mist
- Lasts overnight on one tank
- Water parts go in the dishwasher
- UV technology treats the water
- Ongoing Honeywell filter replacements
- Soft fan sound, not silent
- Room size coverage not listed
Performance notes
Evaporative units add moisture only as fast as air passes over the wet wick, so output slows on its own as the room gets more humid. The wicking filter also captures minerals, which stops them reaching the air. Filter condition governs output, which is why Honeywell asks for its own replacement.
Specifications
| Brand | Honeywell |
|---|---|
| Model | HCM350 |
| Dimensions & fit | |
| Item Dimensions D X W X H | 9.37 x 17.48 x 11.85 inches |
| Item weight | 9 pounds |
| Capacity & performance | |
| Capacity | 1.1 gallons |
| Power & efficiency | |
| Power Source | Corded electric |
| Construction & materials | |
| Material | Plastic |
| Color | Black |
| Included components | |
| Included Components | Filter, humidifier |
| Warranty & support | |
| Warranty Description | 3 year limited warranty |
| Other details | |
| Runtime | 24 hours |
| Operation Mode | Evaporative |
| Filter Type | Wick, Honeywell Replacement Wicking Filter A |
| Control Type | Touch |
| Room Type | Bedroom, kids room |
Frequently asked questions
How do you set up the Honeywell cool moisture humidifier?
A filter comes in the box, and the self-standing tank is designed for easy filling. The listing gives no step by step setup beyond that.
Does the Honeywell humidifier make visible mist?
No. It brings invisible moisture to the room using evaporative technology.
Does the Honeywell humidifier stop when the room is humid enough?
The description says it increases, stops and holds the targeted humidity level.
Can other brand filters be used in the Honeywell humidifier?
Honeywell says compatible replacements may not offer the same performance or efficiency, and recommends its Replacement Wicking Filter A.