DREO DR-HHM006 White 3L Ultrasonic Humidifier

DREO DR-HHM006 White is a 3-litre cool-mist ultrasonic humidifier with a 360° nozzle, touch controls and a claimed runtime of up to 30 hours in sleep mode. Its listed 26dB noise level also applies in sleep mode, so these figures are mode-specific rather than unconditional.

At a glance

Top-fill design and 3-litre capacity are claimed to provide up to 30 hours of operation in sleep mode.
The listing claims 250ml/hr mist output and coverage up to 300 sq ft, with a 360° rotating nozzle.
The 26dB claim is specified for sleep mode, not all operating settings.
Includes an aroma pad tray for essential oils and adjustable ambient lighting that can be switched off.
Touch controls and listed adjustable humidity control support manual adjustment.

Price

£32.29Save 19%

Reference price: ~~£39.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

3-litre capacity is paired with a claimed sleep-mode runtime of up to 30 hours, reducing refill frequency when used in that mode.
A rotating nozzle and stated 250ml/hr output give buyers specific mist-direction and output claims to compare against room needs.
The aroma pad tray and switchable ambient light provide optional fragrance and lighting features.
Customer feedback describes the controls as easy to use and reports appreciated mist output.

Technical specifications

26 specifications

Identity
Brand	DREO
Model	DR-HHM006 White
Colour	White
Product type	Humidifier
Operation	Ultrasonic
Tank capacity	3 litres
Claimed room coverage	300 Square Feet
Claimed mist output	250ml/hr
Mist particle size	5μm
Atomisation frequency	2.4MHz
Mist projection height	up to 40 inches
Nozzle	360° rotating nozzle

Operation and features
Runtime	30 hours
Runtime condition	in sleep mode
Noise level	26dB (in Sleep Mode)
Special features	Adjustable Humidity Control, Aroma Diffuser, Auto Shut Off, Child Lock, Digital Display
Controls	Touch
Power configuration	Corded Electric
Voltage	120 Volts (AC)
Power	29 watts
Lighting	adjustable ambient lighting that can be turned on or off
Essential-oil feature	an aroma pad tray for essential oils

Dimensions and materials
Dimensions (D × W × H)	19.5D x 19.5W x 26H centimetres
Weight	2.64 Pounds
Shape	Round
Material	Plastic

What to know before buying

The listing’s 30-hour runtime is claimed in sleep mode and its 26dB figure is also sleep-mode-specific. The stated 300 Square Feet coverage is a manufacturer claim, not an independently established result.
The listing gives a voltage of 120 Volts (AC). Buyers in the UK should confirm the unit’s electrical compatibility before purchase.
The manufacturer recommends purified water in London and South East England to help reduce mineral build-up.

What’s in the box

Included

DREO 3L Humidifier（DR-HHM006）, quantity 1
Quick Start Guide, quantity 1
User manual

Who is it for?

A good fit for

Bedrooms where buyers want a cool-mist humidifier with a sleep-mode noise and runtime claim.
Buyers looking for a 3-litre tank, touch controls, an aroma pad tray and optional ambient lighting.
Rooms where the stated 300 Square Feet coverage is within the buyer’s intended comparison range, subject to the listing’s claim.

Less suited to

Buyers who need a confirmed UK-compatible voltage without checking the product details first.
Buyers seeking an independently verified coverage or runtime figure, or a 30-hour claim outside sleep mode.

DREO DR-HHM006 White 3L Ultrasonic Humidifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 5,549 ratings

5 stars69%69%
4 stars14%14%
3 stars8%8%
2 stars2%2%
1 star7%7%

Customer feedback is positive about effectiveness, mist output, ease of use and humidity controls, with reported use in greenhouses and during dry winter weather. Some customers also appreciate the appearance and ambient light, and report perceived breathing comfort. These are customer impressions rather than proof of performance. For buyers weighing room coverage or sleep use, compare those experiences with the listing’s stated 300 Square Feet coverage and mode-specific runtime and noise claims. Aggregate ratings are generally favourable, though a smaller share are low ratings, and ratings alone do not explain the reasons.