DREO DR-HHM003S 6L Smart Humidifier, Warm and Cool Mist

DREO DR-HHM003S is a 6-litre smart humidifier listed with warm and cool mist, app and voice controls, and a top-fill tank. Its humidity sensor and Auto Mode are intended to adjust mist towards a chosen humidity level, while the claimed runtime varies with settings.

At a glance

Switch between warm and cool mist according to the listing.
The humidity sensor and Auto Mode are described as adjusting mist output towards a selected humidity level.
The DREO app is described as supporting humidity monitoring, settings changes and schedules. Alexa and Google Assistant voice control are also claimed.
Top-fill design and a 6-litre tank are claimed, with up to 60 hours of operation under suitable settings.

Price

£84.99Save 15%

Reference price: ~~£99.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

Two mist options offer a choice between warm and cool output.
App, touch and voice control methods are listed, alongside a humidity sensor and Auto Mode.
The large listed tank capacity may reduce how often water needs replenishing compared with smaller tanks.

Cons

Corded electric operation requires access to a mains socket.

Technical specifications

14 specifications

Identity and capacity
Brand	DREO
Model	DR-HHM003S Black
Water capacity	6 litres
Operation mode	Ultrasonic
Colour	Black

Operation and controls
Claimed maximum humidification	500ml/h
Claimed room coverage	up to 46m²
Claimed runtime	60 hours
Noise claim	28dB
Control methods listed	App, Touch, Voice
Power configuration	Corded Electric

Dimensions and materials
Dimensions (D x W x H)	15.6D x 29W x 35.4H centimetres
Weight listed	2.7 Kilograms
Material listed	Plastic

What to know before buying

Listing details to confirm

Runtime is stated as up to 60 hours under suitable settings, and mist output is stated as up to 500ml/h. Actual operation depends on selected settings. The claimed 28dB noise level is described as a minimum. The listing gives room coverage as up to 46m², so these figures should not be treated as guaranteed results. The model is described as warm and cool mist, while the technical details specify ultrasonic operation. Verify the desired mist mode and the stated performance figures for the selected listing before buying.

What’s in the box

Included

Aroma pads, 3 (2 pre-installed)
Cleaning guide
DREO humidifier, DR-HHM003S
Quick start guide
Cleaning brush
User manual

Who is it for?

A good fit for

Bedrooms or living spaces where app or voice adjustments and automatic humidity control are useful.
Buyers who want a large water tank and a choice of warm or cool mist.

Less suited to

Anyone seeking a cordless humidifier.

DREO DR-HHM003S 6L Smart Humidifier, Warm and Cool Mist · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 3,953 ratings

5 stars66%66%
4 stars15%15%
3 stars9%9%
2 stars3%3%
1 star7%7%

Customer feedback highlights perceived quiet operation, straightforward controls, humidity sensing and app integration, as well as functionality and appearance. These points are relevant to bedroom use and to the listed sensor and app controls, but customer impressions do not establish the claimed noise level or performance. The overall rating distribution is mostly positive but includes a smaller spread of lower ratings, so experiences are not uniformly favourable.

Positive themes

Customers report quiet operation and easy-to-use controls.
Customer feedback mentions humidity detection and app integration.

Frequently asked questions

Does the DREO DR-HHM003S offer both warm and cool mist?

The product listing claims both warm and cool mist. Its technical details separately identify ultrasonic operation, so check the selected listing if a specific mist mode is essential.

How long can it run between refills?

The listing claims up to 60 hours under suitable settings. Runtime may vary with the chosen operating settings.

Can it be controlled by an app or voice?

App, touch and voice control are listed. The feature description names Alexa and Google Assistant for voice control.

What is the listed room coverage?

The listing states coverage up to 46m². Treat this as a manufacturer claim rather than a guaranteed result for every room.