Shopping cart

Subtotal:

Dreo HM311 4L Cool Mist Humidifier with 32H Runtime & Night Light

Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Thumbnail Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo

Ever tried to sleep with a jet engine disguised as a humidifier? Yeah, not fun. That's why ours whispers at a barely-there 28 dB—thanks to some fancy ultrasonic tech that keeps things library-quiet. (Sweet dreams, seriously.)

And let's talk mist. This thing doesn't just puff out a sad little cloud. With its dual-intake and a 4-inch outlet, it shoots mist up to 40 inches tall. Your room will go from desert to rainforest in no time, minus the actual rain.

Wet floors? No thanks. The high-frequency atomization breaks water into 5µm particles so fine, they float around like they own the place, humidifying evenly without the puddles.

Filling it up is a breeze—literally. The top-fill design means no awkward tank flipping or spills. Just pour and go. (We've all been there with the old spill-and-swipe routine.)

Perfect for bedrooms? You bet. With a 4L tank, it can run for up to 32 hours. That's over a day of moisture without a refill. Ideal for those who value sleep over constant maintenance.

Want to add some zen? Toss in your favorite essential oils (not included, because we don't know if you're a lavender or eucalyptus person) and turn your room into a spa. Or at least smell like one.

And for those nights when you're not ready to face the dark, the ambient night light has settings to match your mood—whether you're going for 'chill' or 'deep space exploration.'

General specs

  • Brand: Dreo
  • Model: HM311
  • Seller: Amazon
  • ID: B0CCY6VG8Z
  • Special Features: Night Light, Adjustable Humidity Control, Easy Top-Fill, 28dB Ultra-Quiet Operation, Aroma Diffuser
  • Filter Type: Pre Filter
  • Floor Area: 300 Square Feet
  • Operation Mode: Ultrasonic
  • Product Dimensions: 5.51"D x 11.02"W x 10.16"H
  • Item Weight: 3.12 pounds
  • Room Type: Office, Kids Room, Bedroom, Living Room, Nursery
  • Included Components: User Manual*1, Cleaning Guide*1, Cleaning Brush*1, Humidifier*1, Aroma Pad *2 (1 Pre-Installed)
  • Voltage: 120 Volts
  • Wattage: 26 Watt-hours
  • Control Method: Touch
  • Shape: Oval
  • First listed by seller: 3/24/25

If you are interested in more details, you can find full information on the seller's page.

Amazon Buy on Amazon #publicidad
$33.95 $39.99
Last price update: 3/11/26
Available to order
Price History for seller Amazon

Shipping options

Delivery to United States
Available

Similar products comparison

This item Recommendations
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo
Dreo HM311
Top Fill Ultrasonic Humidifier — Humidifier, chooone
chooone KC-C15-W2 TOP FILL & 6L TANK
Top Fill Humidifier — Humidifier, LEVOIT
LEVOIT LUH-A251-WUS Large Water Tank of 2.5L
Top Fill Humidifier — Humidifier, KZF
Top Fill Humidifier 60H Ultra-Long Runtime & Large Coverage
Supersized Cool Mist Humidifier — Humidifier, Dreo
Dreo DR-HHM004 6L large water tank
6L Top Fill Humidifier for Large Room, 60H Runtime, Ultra-Quiet Cool Mist — Humidifier, Dreo
Dreo DR-HHM004
Brand Dreo chooone LEVOIT KZF Dreo Dreo
Model HM311 KC-C15-W2 LUH-A251-WUS DR-HHM004 DR-HHM004
Color
Rating
(8)
(8)
(2)
(3)
(4)
(1)
Price $33.95 $33.99 $27.94 $32.99 $59.99 $49.98
Seller Amazon Amazon Amazon Amazon Amazon Amazon
Update Mar 11, 2026 Mar 11, 2026 Mar 11, 2026 Mar 11, 2026 Mar 11, 2026 Mar 11, 2026
Filter Type Pre Filter Demineralization Cartridge Pre Filter Pre Filter Pre Filter
Floor Area 300 Square Feet 750 Square Feet 280 Square Feet 500 Square Feet 500 Square Feet
Operation Mode Ultrasonic Ultrasonic Ultrasonic Ultrasonic Ultrasonic
Product Dimensions 5.51"D x 11.02"W x 10.16"H 7"D x 9.06"W x 12.2"H 6.38"D x 7.12"W x 10.14"H 5.91"D x 11.42"W x 12.4"H 5.91"D x 11.42"W x 12.4"H
Item Weight 3.12 pounds 3.48 pounds 2.16 pounds 3.87 pounds 3.87 pounds
Room Type Office, Kids Room, Bedroom, Living Room, Nursery Nursery Office, Kids Room, Bedroom, Nursery Office, Kids Room, Bedroom, Living Room, Nursery Kids Room, Office, Bedroom, Living Room, Nursery
Included Components User Manual*1, Cleaning Guide*1, Cleaning Brush*1, Humidifier*1, Aroma Pad *2 (1 Pre-Installed) humidifier*1 User Manual*1, Cleaning Guide*1, Cleaning Brush*1, Humidifier*1, Aroma Pad *2 (1 Pre-Installed)
Voltage 120 Volts 120 Volts 120 Volts (AC) 120 Volts 120 Volts
Wattage 26 Watt-hours 140 watts 17 watts 26 Watt-hours 26 Watt-hours
Control Method Touch Touch Touch Touch Touch
Shape Oval Rectangular Round Oval Oval
Special Feature Timer, Low Water Indicator, Quiet, Auto Shut Off, Aroma Diffuser Easy Top-Fill without turning over the water tank and spills, Quiet, No Light Disturbance, Easy Cleaning with big opening and base without nooks Night Light, Adjustable Humidity Control, Easy Top-Fill, 28dB Ultra-Quiet Operation, Aroma Diffuser
Top Fill 4L Supersized Cool Mist Humidifier — Humidifier, Dreo

Dreo HM311

$33.95

Reviews

4.3
(8 reviews)
5
5
4
2
3
0
2
0
1
1
Marcin Bianchi
Marcin Bianchi
March 27, 2025
Decision:
Simon Perez
Simon Perez
March 27, 2025
Decision:
Emily Hernández
Emily Hernández
March 27, 2025
Decision:
Storm
Storm
March 26, 2025
Decision:
Dolly
Dolly
March 26, 2025
Decision:
Alessia Garcia
Alessia Garcia
March 25, 2025
Decision:
Pedro Phillips
Pedro Phillips
March 25, 2025
Decision:
William Wójcik
William Wójcik
March 25, 2025
Decision:
Top