How noisy is the humidifier when it is working? I am a light sleeper and need to be in a very quiet environment to fall asleep.

No worries at all. I am also a light sleeper, and this humidifier has never disturbed my sleep. It is much quieter than I expected, especially in sleep mode. In fact, I sleep much better with it on at night since it does a good job in relieving my itchy skin which caused by dryness.

Can you change the direction of mist output?

Hi, Yes you can. There is a straight wide piece that goes across 75% of its total length on the top of the humidifier that can be moved around in order to change the directional output. Hope this helps. Shalom… :O)

What warranty does it come with?

Dear Customer, This appliance is covered by Dreo warranty for 12 months from the date of its original purchase. You can also extend your warranty by registering your new appliance on our website: https://dreo.com/warranty. For any other issues, please don't hesitate to contact us. You can always find our contact information on the last page of the user manual. If you have any other questions, please feel free to contact us. We are always at your service! Dreo Customer Support Team

I've cleaned my humidifier 4 times since I opened the box 2 weeks ago. It continues to smell like mildew. Anyone else have this issue?

Did you add baking soda to the water when you clean it Soak for 1/2 hour. Then clean and rinse well. Hope this works for you.

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DREO 4L Humidifiers for Bedroom, 36H Runtime, 28 dB Quiet, HM311

Product ID: 552692596

Details

Brand
DREO
Capacity
4 Liters
Color
White
Floor Area
300 Square
Special Feature
28dB Operation

💧4L large tank capacity

🔇Ultra-quiet 28dB operation

🌬️36H continuous runtime

R2017

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Elevate your air game—breathe better, sleep deeper, live fresher!

SUPERSIZED MIST POWER - Dual-intake and 4-inch outlet create a 40-inch tall mist plume that rapidly refreshes large rooms up to 300 sq ft.
WHISPER QUIET WELLNESS - Operates at a barely-there 28dB—perfect for bedrooms, nurseries, and focused workspaces.
EFFORTLESS TOP FILL DESIGN - No spills, no flips—just quick, clean refills and easy maintenance to keep your space fresh.
MOOD BOOSTING 3 IN 1 FUNCTIONALITY - Humidify, diffuse your favorite aromas, and set the vibe with ambient nightlight—all in one sleek device.
ENDLESS COMFORT ZERO INTERRUPTIONS - 4L tank delivers up to 36 hours of soothing moisture without refills, so your sleep stays undisturbed.

The DREO HM311 is a premium 4-liter ultrasonic humidifier designed for large rooms up to 300 sq ft. It runs quietly at 28dB for up to 36 hours on a single fill, featuring a powerful dual-intake system that disperses a supersized 40-inch mist plume. Its user-friendly top-fill design and 3-in-1 functionality—humidification, aroma diffusion, and ambient lighting—make it an essential wellness upgrade for modern bedrooms, nurseries, and offices.

Specifications

ASIN	B0CCY6VG8Z
Best Sellers Rank	#1,897 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #4 in Humidifiers
Brand	DREO
Brand Name	DREO
Capacity	4 liters
Color	White
Control Method	Touch
Customer Reviews	4.4 out of 5 stars 17,571 Reviews
Filter Type	Pre Filter
Floor Area	300 Square Feet
Included Components	Aroma Pad, Cleaning Brush, Cleaning Guide1, Humidifier1, User Manual
Item Dimensions D x W x H	5.51"D x 11.02"W x 10.16"H
Item Shape	Oval
Item Type Name	Humidifier
Item Weight	3.12 Pounds
Manufacturer	DREO
Material	Plastic
Model Name	HM311
Model Number	DR-HHM001
Operation Mode	Ultrasonic
Other Special Features of the Product	28dB Ultra-Quiet Operation, Adjustable Humidity Control, Aroma Diffuser, Easy Top-Fill, Night Light
Part Number	DR-HHM001
Power Source	Corded Electric
Room Type	Bedroom, Kids Room, Living Room, Nursery, Office
Runtime	36 hours
Special Feature	28dB Ultra-Quiet Operation, Adjustable Humidity Control, Aroma Diffuser, Easy Top-Fill, Night Light
UPC	850049246026
Unit Count	1.0 Count
Voltage	120 Volts
Wattage	26 Watt-hours

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R2017

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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