OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Humidifiers Methodology v1.0
Humidifiers Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Humidifiers Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
Explore Humidifiers Methodology v1.0

SMARTDEVIL H2O Humidifier 2.02.01.0016 Review | 43 Data compared

Avg. price:~£20Humidification rate:50 ml/hMaximum room area:10 m²Water tank capacity:0.5 LMaximum operating time:18 hoursMaximum noise level:?

SMARTDEVIL H2O Humidifier 2.02.01.0016 Review: Compare 43 technical specifications and user reviews to see how this product ranks in the Humidifiers category and whether it is worth buying.

SMARTDEVIL H2O Humidifier 2.02.01.0016
6.0/10

Overall score

Score
6.0/ 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 86% of models
Score components

80%

5.4

Technical score

20%

8.3

User score

â–¼Worse than 86% of humidifiers
7.2

Value for money

Value for money
7.2/ 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 75% of models
Score components

70%

6.0

Overall score

30%

10

Price

â–¼Worse than 75%
5.4

Technical score

Technical score
5.4/ 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 93% of models
Score components

45%

3.2

Performance

40%

7.0

Features

15%

7.7

Design

â–¼Worse than 93%
8.3

User score

User score
8.3/ 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–² Better than 74% of models
Score components

70%

8.0

User ratings

30%

8.8

Number of reviews

Based on ratings from across the web.
â–²Better than 74%
  • smartdevil-h2o-humidifier-202010016
  • smartdevil-h2o-humidifier-202010016
  • smartdevil-h2o-humidifier-202010016
  • smartdevil-h2o-humidifier-202010016
  • smartdevil-h2o-humidifier-202010016
  • smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
smartdevil-h2o-humidifier-202010016
Best prices
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
Loading category ranking...

Technical Specifications of humidifier SMARTDEVIL H2O Humidifier 2.02.01.0016

Technical score
Technical score
5.4/ 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 93% of models
Score components:

45%

3.2

Performance

40%

7.0

Features

15%

7.7

Design

5.4
User score
User score
8.3/ 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–² Better than 74% of models
Score components

70%

8.0

User ratings

30%

8.8

Number of reviews

Based on ratings from across the web.
8.3
Popularity
Popularity
8.8/ 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–² Better than 82% of models
Popularity:
SMARTDEVIL H2O Humidifier 2.02.01.0016 has a popularity score of 8.8 points, which is higher than 81.9% of products in this category.
8.8
Value for money
Value for money
7.2/ 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 75% of models
Score components:

70%

6.0

Overall score

30%

10

Price

7.2
Technology
ultrasonic
Humidification rate
50 ml/h
Market range: <50 ml/h – >500 ml/h
This humidifier delivers a humidification rate of 50 ml/h, which is lower than that of 82.9% of humidifiers and equal to that of 12.1% of humidifiers.
Maximum room area
10 m²
Market range: <20 m² – >60 m²
This humidifier covers rooms up to 10 m², which is smaller than that of 94.4% of humidifiers and equal to that of 5.6% of humidifiers.
Water tank capacity
0.5 L
Market range: <0.4 L – >6.5 L
This humidifier has a water tank capacity of 0.5 L, which is smaller than that of 81.2% of humidifiers and equal to that of 6.7% of humidifiers.
Maximum operating time
18 hours
Market range: <8 hours – >60 hours
This humidifier runs for up to 18 hours on a single fill, which is shorter than 61.7% of humidifiers and equal to that of 3.4% 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
yes
This humidifier includes a dedicated aroma compartment. A dedicated aroma compartment is present in 48.3% of humidifiers.
Includes dedicated aroma hardware such as a tray, pad, drawer, or compartment.
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.
Show more
Fill type
top fill
Color
white
Material
ABS, PC
360° nozzle
no
This humidifier does not have a 360° nozzle. A 360° nozzle is included in 58.4% of humidifiers.
Display
no
This humidifier does not have a display. A display is included in 44.3% of humidifiers.
Show more

SMARTDEVIL H2O Humidifier 2.02.01.0016 vs the average humidifier

246810TotalPerformanceFeaturesDesign
  • 78.4% lighter
    This humidifier is lighter than the average humidifier (0.3 kg vs 1.48 kg).
    0.319 kg vs 1.48 kg
  • 22 W lower power draw
    This humidifier draws less power than the average humidifier (2 W vs 24 W).
    2 W vs 24 W
  • 8.25 cm shallower body
    This humidifier has a shallower depth than the average humidifier (10 cm vs 18.25 cm).
    10 cm vs 18.25 cm
  • 6.66 cm narrower body
    This humidifier has a narrower body than the average humidifier (12.9 cm vs 19.6 cm).
    12.9 cm vs 19.555 cm
  • Dedicated aroma compartment
    This humidifier includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
    Includes dedicated aroma hardware such as a tray, pad, drawer, or compartment.
  • 13.38 cm shorter body
    This humidifier has a lower profile than the average humidifier (15.6 cm vs 28.98 cm).
    15.6 cm vs 28.98 cm
  • 75% cheaper
    SMARTDEVIL H2O Humidifier 2.02.01.0016 is cheaper than the average humidifier (£20 vs £35).
    £20 vs £35
  • 38.3% more popular
    SMARTDEVIL H2O Humidifier 2.02.01.0016 is more popular than the average humidifier (8.85 vs 6.4).
    8.85 vs 6.4
  • 75% cheaper
    SMARTDEVIL H2O Humidifier 2.02.01.0016 is cheaper than the average humidifier (£20 vs £35).
    £20 vs £35
  • 38.3% more popular
    SMARTDEVIL H2O Humidifier 2.02.01.0016 is more popular than the average humidifier (8.85 vs 6.4).
    8.85 vs 6.4
  • 3.2% higher user score
    User score
    8.3/ 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
    â–¼
    <55-66-77-88-99-10
    SMARTDEVIL H2O Humidifier 2.02.01.0016
    the average humidifier
    SMARTDEVIL H2O Humidifier 2.02.01.0016 has a higher user score than the average humidifier (8.25 vs 8.000).
    8.25 vs 8
  • 22 W lower power draw
    This humidifier draws less power than the average humidifier (2 W vs 24 W).
    2 W vs 24 W
  • Dedicated aroma compartment
    This humidifier includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
    Includes dedicated aroma hardware such as a tray, pad, drawer, or compartment.
  • 78.4% lighter
    This humidifier is lighter than the average humidifier (0.3 kg vs 1.48 kg).
    0.319 kg vs 1.48 kg
  • 8.25 cm shallower body
    This humidifier has a shallower depth than the average humidifier (10 cm vs 18.25 cm).
    10 cm vs 18.25 cm
  • 6.66 cm narrower body
    This humidifier has a narrower body than the average humidifier (12.9 cm vs 19.6 cm).
    12.9 cm vs 19.555 cm
  • 13.38 cm shorter body
    This humidifier has a lower profile than the average humidifier (15.6 cm vs 28.98 cm).
    15.6 cm vs 28.98 cm
  • 80.8% lower humidification rate
    This humidifier delivers a lower humidification rate than the average humidifier (50 ml/h vs 260 ml/h).
    50 ml/h vs 260 ml/h
  • 21 m² less room coverage
    This humidifier covers smaller rooms than the average humidifier (10 m² vs 31 m²).
    10 m² vs 31 m²
  • 2.85 L smaller water tank
    This humidifier has a smaller water tank than the average humidifier (0.5 L vs 3.35 L).
    0.5 L vs 3.35 L
  • 1 levels less mist control
    This humidifier offers fewer mist adjustment levels than the average humidifier (2 levels vs 3 levels).
    2 levels vs 3 levels
  • No 360° nozzle
    This humidifier does not have a 360° nozzle; the average humidifier has a 360° nozzle.
  • 0.51 m shorter power cable
    This humidifier has a shorter power cable than the average humidifier (1 m vs 1.51 m).
    1 m vs 1.51 m
  • 6 hours shorter runtime
    This humidifier runs for a shorter time than the average humidifier (18 hours vs 24 hours).
    18 hours vs 24 hours
  • 5.1% worse value for money
    SMARTDEVIL H2O Humidifier 2.02.01.0016 offers worse value for money than the average humidifier (7.19 vs 7.6).
    7.19 vs 7.56
  • 5.1% worse value for money
    SMARTDEVIL H2O Humidifier 2.02.01.0016 offers worse value for money than the average humidifier (7.19 vs 7.6).
    7.19 vs 7.56
  • 80.8% lower humidification rate
    This humidifier delivers a lower humidification rate than the average humidifier (50 ml/h vs 260 ml/h).
    50 ml/h vs 260 ml/h
  • 21 m² less room coverage
    This humidifier covers smaller rooms than the average humidifier (10 m² vs 31 m²).
    10 m² vs 31 m²
  • 2.85 L smaller water tank
    This humidifier has a smaller water tank than the average humidifier (0.5 L vs 3.35 L).
    0.5 L vs 3.35 L
  • 1 levels less mist control
    This humidifier offers fewer mist adjustment levels than the average humidifier (2 levels vs 3 levels).
    2 levels vs 3 levels
  • 6 hours shorter runtime
    This humidifier runs for a shorter time than the average humidifier (18 hours vs 24 hours).
    18 hours vs 24 hours
  • No 360° nozzle
    This humidifier does not have a 360° nozzle; the average humidifier has a 360° nozzle.
  • 0.51 m shorter power cable
    This humidifier has a shorter power cable than the average humidifier (1 m vs 1.51 m).
    1 m vs 1.51 m

Video reviews

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

Third-party reviews

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

What we like about SMARTDEVIL H2O Humidifier 2.02.01.0016

  • Whisper-quiet operation that does not disturb sleep or work
  • Effective at relieving dry skin, sinus issues, and nasal dryness
  • Compact and lightweight design, making it highly portable for travel and desktop use
  • Convenient automatic shut-off feature when water runs low to prevent hazards
  • Long-lasting mist output relative to its size, with dual continuous and intermittent spray modes
  • Easy to clean due to its wide-opening water tank structure
  • Built-in night light function with constant and breathing light modes

What we don't like about SMARTDEVIL H2O Humidifier 2.02.01.0016

  • Does not support essential oils, as they can clog the ultrasonic filter mechanism
  • Does not include a built-in battery and must remain plugged into a USB power source to function
  • Does not come packaged with a USB wall adapter plug, only the cable
  • Opaque or poorly positioned window can make it difficult to visually check the remaining water level
  • The single-button interface to cycle through mist and light settings can feel a bit fiddly or confusing initially
  • Requires regular tap or mineral water, as pure or distilled water can cause water accumulation at the mist outlet

Verdict

The SMARTDEVIL H2O Humidifier is a compact, ultrasonic personal desk humidifier made of durable ABS/PC plastic, measuring 3.74x3.74x4.72 inches and weighing 8.12 ounces. It features a 500mL water tank capacity, a spray output of 30-60mL/H, and operates quietly below 30dB via a DC 5V/1A USB connection with a maximum working power of 2W. Key advantages include two mist settings (continuous mode up to 12 hours and intermittent mode up to 18 hours), a dual-mode built-in LED night light, and a waterless auto shut-off safety probe. However, it cannot be operated wirelessly as it lacks a built-in battery, does not include an AC wall adapter in the box, and requires strict use of tap water since pure or distilled water can clog the mist outlet, while direct addition of essential oils to the tank can damage its internal cotton filter structure.

Compare SMARTDEVIL H2O Humidifier 2.02.01.0016 with other products in the Humidifiers category

1Product to compare no. 1
VS
2Product to compare no. 2
VS
3Product to compare no. 3 (optional)

Graphic comparison of SMARTDEVIL H2O Humidifier 2.02.01.0016 and other products in the Humidifiers category

No results found