DREO Smart Cool Mist Humidifier 4L
- 4 liter top fill tank, 36 hour runtime
- 300 square feet coverage
- Cool mist, ultrasonic
- 28 dB quiet sleep operation
- App, touch and voice control, Alexa and Google Assistant
- 25 watts, 120 volts
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A smart cool mist humidifier with a top-fill tank, nightlight and long runtime for bedrooms and nurseries. It is cool mist only and corded, so plan for outlet access.
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ASIN: B0CCVX6FSDModel: DR-HHM001SCategory: Humidifiers
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Overview
Filling from the top, this DREO ultrasonic humidifier adds cool mist to a bedroom, nursery or office and offers a digital display and timer. Control is by touch, app or voice with Alexa and Google Assistant.
Top filling and a long runtime cut down on trips to the sink, and the quiet rating suits sleeping rooms. The limit is cool mist only and a coverage figure that suits a single room.
Who it's for
Parents, sleepers and plant owners who want hands-off control in one room will use the timer and voice commands. People in very dry large homes, or those wanting warm mist, should look at a bigger or heated model.
Pros and cons
- Top fill tank
- Quiet sleep operation
- App and voice control
- Nightlight and aroma pad
- Cool mist only
- Needs a wall outlet
- Coverage limited to one room
Performance notes
The ultrasonic module turns tank water into a fine cool mist, and a humidity sensor with the timer limits how long it runs. Runtime depends on tank volume and the output setting. A pre filter and cleaning brush support routine tank care.
Where it stands among humidifiers
- 36 hours runtime: longer than 80% of the humidifiers we list.
From the specs of the 46 humidifiers we list; not a test result.
Specifications
| Brand | Dreo |
|---|---|
| Model | DR-HHM001S |
| Dimensions & fit | |
| Item Dimensions D X W X H | 11.02"D x 10.15"W x 5.51"H |
| Item weight | 3.1 pounds |
| Capacity & performance | |
| Capacity | 4 litershigher than 50% of 27 humidifiers |
| Wattage | 25 watts |
| Noise level | 28 dB |
| Power & efficiency | |
| Voltage | 120 volts |
| Power Source | Corded Electric |
| Construction & materials | |
| Material | BPA-Free, Plastic, suitable for baby |
| Color | Black |
| Included components | |
| Included Components | Aroma Pad, Cleaning Brush, Humidifier Body, User Manual |
| Unit Count | 1 Count |
| Other details | |
| Floor Area | 300 square feet |
| Runtime | 36 hourshigher than 80% of 21 humidifiers |
| Operation Mode | Ultrasonic |
| Filter Type | Pre Filter |
| Control | App, Touch, Voice |
| Item Shape | Oval |
| Room Type | Bedroom, Kids Room, Living Room, Nursery, Office |
Closest rivals on specs
Crane Droplet Ultrasonic Cool Mist Humidifier 0.5 Gal- Capacity 1.1 vs 0.5 gallons (+120%)
GoveeLife H7140 Smart Cool Mist Humidifier 3L- Capacity 1.1 vs 0.8 gallons (+38%)
- Runtime 36 vs 25 hours (+44%)
- Wattage 25 vs 19 watts (+32%)
Levoit Top Fill Humidifier 2.5L- Capacity 1.1 vs 0.7 gallons (+57%)
- Floor Area 300 vs 219 sq ft (+37%)
- Item Weight 3.1 vs 2.2 pounds (+41%)
Frequently asked questions
Does the DREO 4L humidifier work with Alexa and Google Assistant?
Yes, the listing says it works with both, along with Wi-Fi app and touch control.
Can the DREO 4L humidifier be used in a nursery?
The room types include nursery and kids room, and the material is listed as BPA free and suitable for baby.
What comes with the DREO 4L humidifier?
An aroma pad, a cleaning brush, the humidifier body and a user manual.
Does the DREO 4L make warm mist?
No, it is listed as a cool mist humidifier.