OasisMist4.5L
#5
LEVOIT

LEVOIT OasisMist4.5L

Rating

Model: LUH-O451S-WUS
$79(incl. tax)Amazon price as of 2025-09-04
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Product Overview

The LEVOIT OasisMist4.5L is a smart humidifier designed for bedroom and home use, featuring both warm and cool mist options. It offers customized humidity settings, rapid moisture delivery, and symptom relief. The humidifier has a 4.5L top-fill tank for easy refilling and cleaning, and includes an aroma diffuser for essential oils. It can be controlled remotely via the VeSync app, allowing users to manage settings, create schedules, and monitor humidity levels. The unit operates quietly and includes dual mist nozzles for adjustable mist direction.

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Product Specifications

Humidifying Method
Ultrasonic
Humidifying Capacity
-mL/h
Applicable Area
-
Tank Capacity
4.5L
Operating Time
-時間
Noise Level
26dB
Power Consumption
12W
Dimensions
-mm
Weight
-kg
Timer Function
Yes

Size & Weight

Weight
5.3 Pounds
Hight
11.97"
Width
6"
Depth
10.8"

Features

Antibacterial Tank Function

It is not specified whether this humidifier has an antibacterial tank function. Therefore, it is difficult to comment on its effectiveness in preventing bacterial growth.

Essential Oil Diffuser Function

Includes a dedicated aroma pad for adding essential oils, allowing you to enjoy aromatherapy while humidifying the air. This feature helps create a soothing and fragrant atmosphere in your home.

Night Light Function

This humidifier does not have a dedicated night light function. Users looking for a humidifier with a night light may need to consider alternative models or use a separate night light.

Automatic Shut-Off Function

Automatically turns off when the water tank is empty, preventing damage to the unit and ensuring safety. This feature provides peace of mind, especially when used overnight or unattended.

Adjustable Mist Output Function

Offers dual mist nozzles for easy mist direction adjustment, allowing you to customize the humidity level according to your preferences. This feature enhances the overall humidifying experience.

Remote Control Function

Can be controlled remotely via the VeSync app, allowing you to adjust settings from your smartphone. This feature provides added convenience, especially for those who want to manage the humidifier from anywhere.

SHOPSTAFF Rating Score

#5
Ranked #5 out of 100 products in Category
4.6
Overall Rating

The Levoit OasisMist 4.5L is a feature-rich humidifier suitable for medium to large rooms. It offers smart app control, warm and cool mist options, and a large tank capacity. While it provides good functionality for its price range, some users may find the hygrometer to be inaccurate.

Humidification Method (Ultrasonic, Evaporative, Steam)
4.8
The ultrasonic method ensures quiet and efficient humidification, making it suitable for bedrooms and offices. The noise reduction technology keeps the sound level as low as 26dB, ensuring it won't disturb sleep or work.
Tank Capacity and Run Time
4.5
The 4.5L tank provides a long run time, suitable for overnight use or throughout the day. The top-fill design simplifies the refilling process, making it convenient to add water without spills or struggles.
Room Size Coverage
4.7
Effectively humidifies rooms sized between 215–430 ft², providing adequate moisture for medium to large rooms. The dual 360° nozzles allow for customized mist output and complete room coverage.
Noise Level
5.0
Extremely quiet operation ensures it won't disturb sleep or work, making it ideal for sensitive environments. The noise reduction technology keeps the sound level as low as 26dB, ensuring peaceful operation.
Maintenance and Cleaning
4.3
The top-fill design simplifies the cleaning process, with easy access to the tank. The wide opening ensures easy access for a healthier environment, making it easy to clean and maintain.
Features (Hygrostat, Timer, Auto Shut-Off)
5.0
Includes a hygrostat, timer, and auto shut-off feature for safety and convenience, enhancing the overall user experience. The smart control via the VeSync app adds extra convenience.
Manufacturer Reliability and Warranty
4.5
Levoit is known for producing reliable home appliances, and the positive customer reviews suggest good product quality. The brand prioritizes wellness and offers a personal approach to home appliances.
Cost Performance
4.0
Offers a good balance of features and performance for its price. The smart app control, warm and cool mist options, and large tank capacity make it a worthwhile investment.

Brand & Manufacturer Details

LEVOIT
Levoit transforms everyday spaces into sanctuaries of wellness, prioritizing your well-being from the ground you walk on to the air you breathe.

Key Highlights

  • Smart app control for remote management
  • Warm and cool mist options for year-round use
  • Large 4.5L tank for extended operation
  • Easy top-fill design for convenient refilling
  • Aroma diffuser for aromatherapy benefits

Considerations

  • Hygrometer may not be highly accurate
  • Requires regular cleaning to prevent mold growth
  • Use genuine LEVOIT accessories for optimal performance

Recommended For

  • Individuals with dry skin or allergies
  • Users who want smart control via app
  • Those needing a humidifier for medium to large rooms
  • People who enjoy aromatherapy

Not Recommended For

  • Those needing highly accurate humidity readings
  • Users who prefer a very basic, non-smart humidifier
  • none in particular

Suitable For

  • Bedroom
  • Living room
  • Home office
  • Baby room

Not Suitable For

  • Industrial environments
  • Outdoor use
  • none in particular

Frequently Asked Questions (FAQ)

Q.I'm worried about white dust. Does this humidifier produce it?
A.The OasisMist4.5L has both warm and cool mist settings. The warm mist function is designed to reduce white dust, offering a healthier humidifying process.
Q.Is it easy to refill and clean?
A.Yes, the OasisMist4.5L features a top-fill design for easy refilling with a 4.5L tank. The wide opening also makes cleaning more accessible, promoting a healthier environment.
Q.Can I control this humidifier remotely?
A.Yes, you can manage the humidifier remotely using the VeSync app. You can also create schedules to automatically turn the humidifier on and off.
Q.Is the humidity level accurate?
A.One staff confirmation noted that the built-in hygrometer was not accurate when tested against other hygrometers. However, other staff members did not mention any issues with humidity accuracy.
Q.Is this humidifier quiet enough to use in a bedroom?
A.Yes, the OasisMist4.5L is designed with noise reduction technology, operating at a whisper-quiet level of 26dB, making it suitable for use in bedrooms.
Q.Can I use essential oils with this humidifier?
A.Yes, you can add 2-3 drops of your favorite essential oil to the aroma tray for a soothing home atmosphere. Some staff confirmations mention using essential oils and Vicks drops for added relief.

SHOPSTAFF Rating Ranking

#1

Dreo Smart Humidifier: 6L, top-fill, cool mist, 60-hour runtime, quiet ultrasonic operation, night light, app control.

Humidifying MethodUltrasonic Humidifying Capacity300 mL/h
Applicable Area46.5Tank Capacity6 L
Operating Time60 時間Noise Level28 dB
Power Consumption26 WDimensions150x290x315 mm
Weight1.75 kgTimer FunctionYes
Antibacterial Tank FunctionEssential Oil Diffuser FunctionNight Light FunctionAutomatic Shut-Off FunctionAdjustable Mist Output FunctionRemote Control Function
4.7Overall Rating
4.8Humidification Method (Ultrasonic, Evaporative, Steam)
5.0Tank Capacity and Run Time
4.7Room Size Coverage
5.0Noise Level
4.3Maintenance and Cleaning
5.0Features (Hygrostat, Timer, Auto Shut-Off)
4.5Manufacturer Reliability and Warranty
4.5Cost Performance
#2

Dreo

8L Smart Humidifiers HM717S

$107(incl. tax)Amazon price as of 2025-09-04

Dreo 8L Smart Humidifier with warm & cool mist, 80H runtime, smart control, quiet operation, and aroma diffuser.

Humidifying MethodUltrasonic Humidifying Capacity550 mL/h
Applicable Area-Tank Capacity8 L
Operating Time80 時間Noise Level28 dB
Power Consumption- WDimensions- mm
Weight- kgTimer FunctionYes
Antibacterial Tank FunctionEssential Oil Diffuser FunctionNight Light FunctionAutomatic Shut-Off FunctionAdjustable Mist Output FunctionRemote Control Function
4.7Overall Rating
4.8Humidification Method (Ultrasonic, Evaporative, Steam)
5.0Tank Capacity and Run Time
4.7Room Size Coverage
5.0Noise Level
4.3Maintenance and Cleaning
5.0Features (Hygrostat, Timer, Auto Shut-Off)
4.5Manufacturer Reliability and Warranty
4.3Cost Performance
#3

LEVOIT

Superior 6000S Smart Evaporative Humidifier

$249(incl. tax)Amazon price as of 2025-09-04

The LEVOIT Superior 6000S is a smart evaporative humidifier for whole-house use, covering up to 3000 sq. ft.

Humidifying MethodEvaporative Humidifying Capacity1500 mL/h
Applicable Area3000 Square FeetTank Capacity6 Gal L
Operating Time72-Hour 時間Noise Level28 dB
Power Consumption30 WDimensions12.72"D x 12.72"W x 26.7"H mm
Weight13.2 kgTimer FunctionYes
Antibacterial Tank FunctionEssential Oil Diffuser FunctionNight Light FunctionAutomatic Shut-Off FunctionAdjustable Mist Output FunctionRemote Control Function
4.6Overall Rating
4.5Humidification Method (Ultrasonic, Evaporative, Steam)
5.0Tank Capacity and Run Time
5.0Room Size Coverage
4.8Noise Level
4.3Maintenance and Cleaning
5.0Features (Hygrostat, Timer, Auto Shut-Off)
4.5Manufacturer Reliability and Warranty
4.0Cost Performance
#4

LEVOIT

LEVOIT Classic300S Ultrasonic Smart Top Fill Humidifier

$79(incl. tax)Amazon price as of 2025-09-04

The LEVOIT Classic300S is a smart ultrasonic humidifier with a 6L tank, app control, and essential oil diffuser.

Humidifying MethodUltrasonic Humidifying Capacity- mL/h
Applicable Area-Tank Capacity6 L
Operating Time60 時間Noise Level30 dB
Power Consumption26 WDimensions- mm
Weight- kgTimer FunctionYes
Antibacterial Tank FunctionEssential Oil Diffuser FunctionNight Light FunctionAutomatic Shut-Off FunctionAdjustable Mist Output FunctionRemote Control Function
4.6Overall Rating
4.8Humidification Method (Ultrasonic, Evaporative, Steam)
5.0Tank Capacity and Run Time
4.5Room Size Coverage
5.0Noise Level
4.3Maintenance and Cleaning
5.0Features (Hygrostat, Timer, Auto Shut-Off)
4.5Manufacturer Reliability and Warranty
4.0Cost Performance
#5

LEVOIT

OasisMist4.5L

$79(incl. tax)Amazon price as of 2025-09-04

The LEVOIT OasisMist4.5L is a smart humidifier with warm & cool mist, customized humidity, and easy top fill.

Humidifying MethodUltrasonic Humidifying Capacity- mL/h
Applicable Area-Tank Capacity4.5 L
Operating Time- 時間Noise Level26 dB
Power Consumption12 WDimensions- mm
Weight- kgTimer FunctionYes
Antibacterial Tank FunctionEssential Oil Diffuser FunctionNight Light FunctionAutomatic Shut-Off FunctionAdjustable Mist Output FunctionRemote Control Function
4.6Overall Rating
4.8Humidification Method (Ultrasonic, Evaporative, Steam)
4.5Tank Capacity and Run Time
4.7Room Size Coverage
5.0Noise Level
4.3Maintenance and Cleaning
5.0Features (Hygrostat, Timer, Auto Shut-Off)
4.5Manufacturer Reliability and Warranty
4.0Cost Performance