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Oraimo OHM-U02 Review | 43 Data compared

Avg. price:~£35Humidification rate:200 ml/hMaximum room area:25 m²Water tank capacity:2.5 LMaximum operating time:25 hoursMaximum noise level:26 dB

Oraimo OHM-U02 Review: Compare 43 technical specifications and user reviews to see how this product ranks in the Humidifiers category and whether it is worth buying.

6.4/10

Overall score

Score
6.4/ 10
✕
What it is
An overall evaluation of products in the Humidifiers category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Humidifiers category.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 70% of models
Score components

80%

6.2

Technical score

20%

7.5

User score

â–¼Worse than 70% of humidifiers
7.4

Value for money

Value for money
7.4/ 10
✕
What it is
An indicator that combines the overall score of products in the Humidifiers category with their prices.
When it matters
When you are comparing products in the Humidifiers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 60% of models
Score components

70%

6.4

Overall score

30%

9.6

Price

â–¼Worse than 60%
6.2

Technical score

Technical score
6.2/ 10
✕
What it is
An assessment of technical performance for products in the Humidifiers category across these key areas: Performance, Features, Design.
When it matters
When you want to compare products in the Humidifiers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 66% of models
Score components

45%

5.6

Performance

40%

6.5

Features

15%

7.1

Design

â–¼Worse than 66%
7.5

User score

User score
7.5/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Humidifiers category.
When it matters
When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 74% of models
Score components

70%

8.0

User ratings

30%

6.2

Number of reviews

Based on 100+ ratings from across the web.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
â–¼Worse than 74%
  • No image
No image
Best prices
    N/A~ £35
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of humidifier Oraimo OHM-U02

Technical score
Technical score
6.2/ 10
✕
What it is
An assessment of technical performance for products in the Humidifiers category across these key areas: Performance, Features, Design.
When it matters
When you want to compare products in the Humidifiers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 66% of models
Score components:

45%

5.6

Performance

40%

6.5

Features

15%

7.1

Design

6.2
User score
User score
7.5/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Humidifiers category.
When it matters
When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 74% of models
Score components

70%

8.0

User ratings

30%

6.2

Number of reviews

Based on 100+ ratings from across the web.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
7.5
Popularity
Popularity
6.2/ 10
✕
What it is
An indicator based on the number of reviews received by products in the Humidifiers category.
When it matters
When you prefer products in the Humidifiers category that have been chosen and reviewed by many other buyers.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 55% of models
Popularity:
Oraimo OHM-U02 has a popularity score of 6.2 points, which is lower than 54.4% of products in this category.
6.2
Value for money
Value for money
7.4/ 10
✕
What it is
An indicator that combines the overall score of products in the Humidifiers category with their prices.
When it matters
When you are comparing products in the Humidifiers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 60% of models
Score components:

70%

6.4

Overall score

30%

9.6

Price

7.4
Technology
ultrasonic
Humidification rate
200 ml/h
Market range: <50 ml/h – >500 ml/h
This humidifier delivers a humidification rate of 200 ml/h, which is lower than that of 64.3% of humidifiers and equal to that of 9.3% of humidifiers.
Maximum room area
25 m²
Market range: <20 m² – >60 m²
This humidifier covers rooms up to 25 m², which is smaller than that of 73.9% of humidifiers and equal to that of 6.3% of humidifiers.
Water tank capacity
2.5 L
Market range: <0.4 L – >6.5 L
This humidifier has a water tank capacity of 2.5 L, which is smaller than that of 60.4% of humidifiers and equal to that of 3.4% of humidifiers.
Maximum operating time
25 hours
Market range: <8 hours – >60 hours
This humidifier runs for up to 25 hours on a single fill, which is longer than 55.7% of humidifiers and equal to that of 4.7% of humidifiers.
Show more
Warm mist function
no
This humidifier does not offer a warm-mist option. A warm-mist option is present in 26.2% of humidifiers.
Aromatherapy support
yes
This humidifier supports aromatherapy. Aromatherapy support is available in 73.8% of humidifiers.
Dedicated aroma compartment
no
This humidifier does not include a dedicated aroma compartment. A dedicated aroma compartment is present in 49% of humidifiers.
Automatic low-water shut-off
yes
This humidifier shuts off automatically when water runs low. Automatic low-water shut-off is available in 99.3% of humidifiers.
Water level indicator
yes
This humidifier includes a water-level indicator. A water-level indicator is present in 83.9% of humidifiers.
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Fill type
top fill
Color
white
Material
plastic
360° nozzle
yes
This humidifier has a 360° nozzle. A 360° nozzle is included in 57.7% of humidifiers.
Display
no
This humidifier does not have a display. A display is included in 44.3% of humidifiers.
Show more

Oraimo OHM-U02 vs the average humidifier

246810TotalPerformanceFeaturesDesign
  • 7.1 dB lower maximum noise
    This humidifier is quieter at maximum output than the average humidifier (26 dB vs 33.1 dB).
    26 dB vs 33.1 dB
  • 25.7% lighter
    This humidifier is lighter than the average humidifier (1.1 kg vs 1.48 kg).
    1.1 kg vs 1.48 kg
  • 7 W lower power draw
    This humidifier draws less power than the average humidifier (17 W vs 24 W).
    17 W vs 24 W
  • 1 hours longer runtime
    This humidifier runs longer on a single fill than the average humidifier (25 hours vs 24 hours).
    25 hours vs 24 hours
  • 0.75 cm shallower body
    This humidifier has a shallower depth than the average humidifier (17.5 cm vs 18.25 cm).
    17.5 cm vs 18.25 cm
  • 0.48 cm shorter body
    This humidifier has a lower profile than the average humidifier (28.5 cm vs 28.98 cm).
    28.5 cm vs 28.98 cm
  • 7.1 dB lower maximum noise
    This humidifier is quieter at maximum output than the average humidifier (26 dB vs 33.1 dB).
    26 dB vs 33.1 dB
  • 7 W lower power draw
    This humidifier draws less power than the average humidifier (17 W vs 24 W).
    17 W vs 24 W
  • 1 hours longer runtime
    This humidifier runs longer on a single fill than the average humidifier (25 hours vs 24 hours).
    25 hours vs 24 hours
  • 25.7% lighter
    This humidifier is lighter than the average humidifier (1.1 kg vs 1.48 kg).
    1.1 kg vs 1.48 kg
  • 0.75 cm shallower body
    This humidifier has a shallower depth than the average humidifier (17.5 cm vs 18.25 cm).
    17.5 cm vs 18.25 cm
  • 0.48 cm shorter body
    This humidifier has a lower profile than the average humidifier (28.5 cm vs 28.98 cm).
    28.5 cm vs 28.98 cm
  • No timer
    This humidifier does not include a programmable timer; the average humidifier includes a programmable timer.
  • 6 m² less room coverage
    This humidifier covers smaller rooms than the average humidifier (25 m² vs 31 m²).
    25 m² vs 31 m²
  • 23.1% lower humidification rate
    This humidifier delivers a lower humidification rate than the average humidifier (200 ml/h vs 260 ml/h).
    200 ml/h vs 260 ml/h
  • 4.95 cm wider body
    This humidifier has a wider body than the average humidifier (24.5 cm vs 19.6 cm).
    24.5 cm vs 19.555 cm
  • 0.85 L smaller water tank
    This humidifier has a smaller water tank than the average humidifier (2.5 L vs 3.35 L).
    2.5 L vs 3.35 L
  • 7.1% lower user score
    User score
    7.5/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Humidifiers category.
    When it matters
    When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼▼
    <55-66-77-88-99-10
    Oraimo OHM-U02
    the average humidifier
    Oraimo OHM-U02 has a lower user score than the average humidifier (7.47 vs 8.000).
    7.47 vs 8
  • 2.3% worse value for money
    Oraimo OHM-U02 offers worse value for money than the average humidifier (7.39 vs 7.6).
    7.39 vs 7.56
  • 2.6% less popular
    Oraimo OHM-U02 is less popular than the average humidifier (6.23 vs 6.4).
    6.23 vs 6.4
  • 7.1% lower user score
    User score
    7.5/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Humidifiers category.
    When it matters
    When you want to know how products in the Humidifiers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼▼
    <55-66-77-88-99-10
    Oraimo OHM-U02
    the average humidifier
    Oraimo OHM-U02 has a lower user score than the average humidifier (7.47 vs 8.000).
    7.47 vs 8
  • 2.3% worse value for money
    Oraimo OHM-U02 offers worse value for money than the average humidifier (7.39 vs 7.6).
    7.39 vs 7.56
  • 2.6% less popular
    Oraimo OHM-U02 is less popular than the average humidifier (6.23 vs 6.4).
    6.23 vs 6.4
  • 6 m² less room coverage
    This humidifier covers smaller rooms than the average humidifier (25 m² vs 31 m²).
    25 m² vs 31 m²
  • 23.1% lower humidification rate
    This humidifier delivers a lower humidification rate than the average humidifier (200 ml/h vs 260 ml/h).
    200 ml/h vs 260 ml/h
  • 0.85 L smaller water tank
    This humidifier has a smaller water tank than the average humidifier (2.5 L vs 3.35 L).
    2.5 L vs 3.35 L
  • No timer
    This humidifier does not include a programmable timer; the average humidifier includes a programmable timer.
  • 4.95 cm wider body
    This humidifier has a wider body than the average humidifier (24.5 cm vs 19.6 cm).
    24.5 cm vs 19.555 cm

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Third-party reviews

Based on 100+ ratings from across the web.
Reviews last updated: August 2026 · How we calculate this

What we like about Oraimo OHM-U02

  • Easy to clean and fill due to the convenient top-fill design and wide tank opening
  • Whisper-quiet operation at 26 decibels, making it perfect for bedrooms and nurseries
  • Functions as a 2-in-1 device with both a cool mist humidifier and an essential oil diffuser
  • Features customizable atmospheric lighting with 7 different color night light options
  • Equipped with an automatic safety shut-off when the water tank is empty or lifted
  • Provides balanced moisture control with an infinite haze adjustment setting and a 360-degree rotatable spray nozzle

What we don't like about Oraimo OHM-U02

  • Prone to water leaks if the reservoir is overfilled above the specified mist tube level
  • Can produce loud or abnormal buzzing noises if the unit is not cleaned or descaled regularly
  • Requires frequent maintenance and the use of distilled water to prevent mineral buildup and white dust

Verdict

The Oraimo 2.5L (Model OHM-U02) is a compact cool-mist ultrasonic humidifier designed to cover areas up to 270 square feet, offering an adjustable mist output ranging from 100 to 200 mL/h and a 360-degree rotating spray nozzle. Key characteristics and advantages include an easy-to-clean top-fill design, integrated essential oil diffuser functionality, an automatic waterless shut-off, an optional 7-color night light, and a whisper-quiet operating volume of just 26 decibels that makes it ideal for nurseries and bedrooms. However, noted drawbacks include a fixed brightness level for the night light that may be distracting for sensitive sleepers, a physical dial adjustment knob that some users report as lacking precise control, and the requirement of regular cleaning to prevent mineral or bacterial buildup in the 2.5-liter water tank.

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