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CONOPU OZC20S03 Review | 48 Data compared

Avg. price:~£35Dehumidification capacity:0.3 L/dayMaximum room area:15 m²Maximum noise level:40 dB

CONOPU OZC20S03 Review: Compare 48 specifications and user reviews to see how this product ranks in the Dehumidifiers category and whether it is worth buying.

3.5

Overall score

Score
3.5/ 10
✕
What it is
An overall evaluation of the dehumidifier, combining technical performance and user feedback.
When it matters
When you want a quick, balanced view of the strongest dehumidifiers for controlling excess moisture.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 97% of models
Score components

90%

3.0

Technical Score

10%

8.7

User score

▼Worse than 97% of dehumidifiers
3.0

Technical Score

Technical score
3.0/ 10
✕
What it is
An assessment of the dehumidifier's technical performance across three areas: performance, features, and design.
When it matters
When you want to compare moisture-removal capacity, room coverage, noise, efficiency, functions, and portability.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 99% of models
Score components

80%

3.1

Performance

15%

1.0

Features

5%

7.3

Design

▼Worse than 99% of dehumidifiers
8.7

User score

User score
8.7/ 10
✕
What it is
A score combining user ratings with the number of reviews received by the dehumidifier.
When it matters
When you want to understand day-to-day reliability and owner satisfaction over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 82% of models
Score components

70%

8.2

User ratings

30%

10

Number of reviews

Based on 10,367 buyer reviews from online shops.
Read buyer reviews on Amazon →
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.
▲Better than 82% of dehumidifiers
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Best prices

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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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Verdict

The CONOPU OZC20S03 (Model DH-CS03) is a compact, Peltier-technology electric dehumidifier operating at a low 23W power consumption, designed for small spaces up to 15 square meters. It features a 750ml capacity with a 300ml water tank, capable of extracting up to 300ml of moisture per day within a temperature range of 15–40°C. Key pros include an ultra-quiet 40dB operation, a single-button start, an integrated 7-color LED atmosphere night light, and a safe auto-shutoff mechanism that flashes a red warning light and beeps three times when the tank is full to prevent overflow. However, main cons include its small water tank capacity that requires regular emptying, lack of advanced settings like adjustable fan speeds or timers, and ineffective moisture extraction in larger rooms or environments dropping below 50% relative humidity.

Technical Specifications of dehumidifier CONOPU OZC20S03

Technical Score
Technical score
3.0/ 10
✕
What it is
An assessment of the dehumidifier's technical performance across three areas: performance, features, and design.
When it matters
When you want to compare moisture-removal capacity, room coverage, noise, efficiency, functions, and portability.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 99% of models
Score components:

80%

3.1

Performance

15%

1.0

Features

5%

7.3

Design

3.0
CONOPU OZC20S03 has a technical score of 3 points, lower than 99% of dehumidifiers.
User score
User score
8.7/ 10
✕
What it is
A score combining user ratings with the number of reviews received by the dehumidifier.
When it matters
When you want to understand day-to-day reliability and owner satisfaction over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 82% of models
Score components

70%

8.2

User ratings

30%

10

Number of reviews

Based on 10,367 buyer reviews from online shops.
Read buyer reviews on Amazon →
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.
8.7
CONOPU OZC20S03 has a user score of 8.74 points, higher than 81.5% of dehumidifiers.
Popularity
Popularity
10.0/ 10
✕
What it is
An indicator based on how many user reviews the dehumidifier has received.
When it matters
When you prefer a widely purchased and extensively reviewed dehumidifier.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 95% of models
Popularity:
CONOPU OZC20S03 has a popularity score of 10 points, higher than 94.5% of dehumidifiers.
10
CONOPU OZC20S03 has a popularity score of 10 points, higher than 94.5% of dehumidifiers.
Ratio quality/price
Value for money
5.4/ 10
✕
What it is
An indicator combining the dehumidifier's overall evaluation with its price.
When it matters
When you want strong moisture-control performance and useful features for the money.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 93% of models
Score components:

60%

3.5

Overall score

40%

9.8

Price

5.4
CONOPU OZC20S03 has a value-for-money score of 5.4 points, lower than 91.5% of dehumidifiers.
Technology
condensing
Power
23 W
Power
23 W
★ Better than 90% of models
Market range: <23 W – >570 W
This dehumidifier draws 23 W, which is lower than the power draw of 89.8% of dehumidifiers and equal to that of 5.6% of dehumidifiers.
Dehumidification capacity
0.3 L/day
Dehumidification capacity
0.3 L/day
▼ Worse than 91% of models
Market range: <0.35 L/day – >30 L/day
This dehumidifier removes up to 0.3 L/day, which is lower than the daily extraction of 91.2% of dehumidifiers and equal to that of 3.9% of dehumidifiers.
Maximum airflow rate
?
Maximum room area
15 m²
Maximum room area
15 m²
▼ Worse than 88% of models
Market range: <15 m² – >90 m²
This dehumidifier is rated for rooms up to 15 m², which is smaller than that of 88.1% of dehumidifiers and equal to that of 8.5% of dehumidifiers.
Show more
Fan
yes
Drying mode
no
Anti-freeze
no
Automatic shut-off when full
yes
Timer
no
Show more
Color
black
Material
plastic
Display
no
Display position
N/A
Control type
buttons
Show more

CONOPU OZC20S03 vs the average dehumidifier

246810TotalPerformanceFeaturesDesign
  • 8 °C higher maximum temperature
    Maximum operating temperature
    40 °C
    ★ Better than 93% of models
    Market range: <30 °C – >35 °C
    This dehumidifier tolerates hotter ambient conditions than the average dehumidifier (40 °C vs 32 °C).
    40 °C vs 32 °C
  • 247 W lower power draw
    Power
    23 W
    ★ Better than 90% of models
    Market range: <23 W – >570 W
    This dehumidifier draws less power than the average dehumidifier (23 W vs 270 W).
    23 W vs 270 W
  • 92.7% lighter
    Weight
    0.8 kg
    ★ Better than 97% of models
    Market range: <1.2 kg – >16 kg
    This dehumidifier is lighter than the average dehumidifier (0.8 kg vs 11 kg). The average dehumidifier weighs 11 kg.
    0.8 kg vs 11 kg
  • 3 dB lower maximum noise
    Maximum noise level
    40 dB
    ▲ Better than 67% of models
    Market range: <35 dB – >50 dB
    This dehumidifier is quieter at maximum fan speed than the average dehumidifier (40 dB vs 43 dB).
    40 dB vs 43 dB
  • 19.2 cm narrower body
    Width
    12.8 cm
    ★ Better than 99% of models
    Market range: <15.5 cm – >38.5 cm
    This dehumidifier has a narrower front profile than the average dehumidifier (12.8 cm vs 32 cm).
    12.8 cm vs 32 cm
  • 28.7 cm shorter body
    Height
    21.3 cm
    ★ Better than 97% of models
    Market range: <24 cm – >60 cm
    This dehumidifier has a lower profile than the average dehumidifier (21.3 cm vs 50 cm).
    21.3 cm vs 50 cm
  • 10.2 cm shallower body
    Depth
    12.8 cm
    ★ Better than 95% of models
    Market range: <13 cm – >29 cm
    This dehumidifier sits flatter against walls than the average dehumidifier (12.8 cm vs 23 cm).
    12.8 cm vs 23 cm
  • 4.29x cheaper
    CONOPU OZC20S03 is cheaper than the average dehumidifier (£35 vs £150).
    £35 vs £150
  • 4.29x cheaper
    CONOPU OZC20S03 is cheaper than the average dehumidifier (£35 vs £150).
    £35 vs £150
  • 41.2% more popular
    CONOPU OZC20S03 has a higher popularity score than the average dehumidifier (10 vs 7.1).
    10 vs 7.08
  • 7.3% higher user score
    User score
    8.7/ 10
    ✕
    What it is
    A score combining user ratings with the number of reviews received by the dehumidifier.
    When it matters
    When you want to understand day-to-day reliability and owner satisfaction over time.
    Score distribution
    ▼
    ▼
    <55-66-77-88-99-10
    CONOPU OZC20S03
    the average dehumidifier
    ★ Better than 94% of models
    CONOPU OZC20S03 has a higher user score than the average dehumidifier (8.74 vs 8.145).
    8.74 vs 8.15
  • 8 °C higher maximum temperature
    Maximum operating temperature
    40 °C
    ★ Better than 93% of models
    Market range: <30 °C – >35 °C
    This dehumidifier tolerates hotter ambient conditions than the average dehumidifier (40 °C vs 32 °C).
    40 °C vs 32 °C
  • 247 W lower power draw
    Power
    23 W
    ★ Better than 90% of models
    Market range: <23 W – >570 W
    This dehumidifier draws less power than the average dehumidifier (23 W vs 270 W).
    23 W vs 270 W
  • 3 dB lower maximum noise
    Maximum noise level
    40 dB
    ▲ Better than 67% of models
    Market range: <35 dB – >50 dB
    This dehumidifier is quieter at maximum fan speed than the average dehumidifier (40 dB vs 43 dB).
    40 dB vs 43 dB
  • 92.7% lighter
    Weight
    0.8 kg
    ★ Better than 97% of models
    Market range: <1.2 kg – >16 kg
    This dehumidifier is lighter than the average dehumidifier (0.8 kg vs 11 kg). The average dehumidifier weighs 11 kg.
    0.8 kg vs 11 kg
  • 28.7 cm shorter body
    Height
    21.3 cm
    ★ Better than 97% of models
    Market range: <24 cm – >60 cm
    This dehumidifier has a lower profile than the average dehumidifier (21.3 cm vs 50 cm).
    21.3 cm vs 50 cm
  • 19.2 cm narrower body
    Width
    12.8 cm
    ★ Better than 99% of models
    Market range: <15.5 cm – >38.5 cm
    This dehumidifier has a narrower front profile than the average dehumidifier (12.8 cm vs 32 cm).
    12.8 cm vs 32 cm
  • 10.2 cm shallower body
    Depth
    12.8 cm
    ★ Better than 95% of models
    Market range: <13 cm – >29 cm
    This dehumidifier sits flatter against walls than the average dehumidifier (12.8 cm vs 23 cm).
    12.8 cm vs 23 cm
  • 13.2 L/day lower extraction capacity
    Dehumidification capacity
    0.3 L/day
    ▼ Worse than 91% of models
    Market range: <0.35 L/day – >30 L/day
    This dehumidifier delivers lower moisture extraction than the average dehumidifier (0.3 L/day vs 13.5 L/day).
    0.3 L/day vs 13.5 L/day
  • 19 m² less room coverage
    Maximum room area
    15 m²
    ▼ Worse than 88% of models
    Market range: <15 m² – >90 m²
    This dehumidifier covers smaller rooms than the average dehumidifier (15 m² vs 34 m²).
    15 m² vs 34 m²
  • 1.75 L smaller water tank
    Water tank capacity
    0.75 L
    ▼ Worse than 93% of models
    Market range: <1 L – >5.8 L
    This dehumidifier has a smaller water tank than the average dehumidifier (0.8 L vs 2.5 L).
    0.75 L vs 2.5 L
  • 1 levels less fan control
    Number of speed levels
    1 levels
    ▼ Worse than 77% of models
    Market range: <1 levels – >3 levels
    This dehumidifier provides fewer fan speed options than the average dehumidifier (1 levels vs 2 levels).
    1 levels vs 2 levels
  • 42 m³ less room volume
    Maximum room volume
    38 m³
    ▼ Worse than 84% of models
    Market range: <38 m³ – >225 m³
    This dehumidifier handles smaller room volumes than the average dehumidifier (38 m³ vs 80 m³).
    Derived from room area (15 m² * 2.5m ceiling height)
    38 m³ vs 80 m³
  • 10 °C higher minimum temperature
    Minimum operating temperature
    15 °C
    ▼ Worse than 89% of models
    Market range: <2 °C – >15 °C
    This dehumidifier requires warmer conditions to operate than the average dehumidifier (15 °C vs 5 °C).
    15 °C vs 5 °C
  • 1 filters fewer filtration stages
    Number of filters
    0 filters
    ▼ Worse than 89% of models
    Market range: <0 filters – >2 filters
    This dehumidifier incorporates fewer air filtration stages than the average dehumidifier (0 filters vs 1 filters).
    0 filters vs 1 filters
  • 16% worse value for money
    CONOPU OZC20S03 has a lower value-for-money score than the average dehumidifier (5.41 vs 6.3).
    5.41 vs 6.28
  • 16% worse value for money
    CONOPU OZC20S03 has a lower value-for-money score than the average dehumidifier (5.41 vs 6.3).
    5.41 vs 6.28
  • 13.2 L/day lower extraction capacity
    Dehumidification capacity
    0.3 L/day
    ▼ Worse than 91% of models
    Market range: <0.35 L/day – >30 L/day
    This dehumidifier delivers lower moisture extraction than the average dehumidifier (0.3 L/day vs 13.5 L/day).
    0.3 L/day vs 13.5 L/day
  • 19 m² less room coverage
    Maximum room area
    15 m²
    ▼ Worse than 88% of models
    Market range: <15 m² – >90 m²
    This dehumidifier covers smaller rooms than the average dehumidifier (15 m² vs 34 m²).
    15 m² vs 34 m²
  • 1.75 L smaller water tank
    Water tank capacity
    0.75 L
    ▼ Worse than 93% of models
    Market range: <1 L – >5.8 L
    This dehumidifier has a smaller water tank than the average dehumidifier (0.8 L vs 2.5 L).
    0.75 L vs 2.5 L
  • 1 levels less fan control
    Number of speed levels
    1 levels
    ▼ Worse than 77% of models
    Market range: <1 levels – >3 levels
    This dehumidifier provides fewer fan speed options than the average dehumidifier (1 levels vs 2 levels).
    1 levels vs 2 levels
  • 42 m³ less room volume
    Maximum room volume
    38 m³
    ▼ Worse than 84% of models
    Market range: <38 m³ – >225 m³
    This dehumidifier handles smaller room volumes than the average dehumidifier (38 m³ vs 80 m³).
    Derived from room area (15 m² * 2.5m ceiling height)
    38 m³ vs 80 m³
  • 10 °C higher minimum temperature
    Minimum operating temperature
    15 °C
    ▼ Worse than 89% of models
    Market range: <2 °C – >15 °C
    This dehumidifier requires warmer conditions to operate than the average dehumidifier (15 °C vs 5 °C).
    15 °C vs 5 °C
  • 1 filters fewer filtration stages
    Number of filters
    0 filters
    ▼ Worse than 89% of models
    Market range: <0 filters – >2 filters
    This dehumidifier incorporates fewer air filtration stages than the average dehumidifier (0 filters vs 1 filters).
    0 filters vs 1 filters

Graphic comparison of CONOPU OZC20S03 and other Dehumidifiers

No results found

Third-party reviews

Based on 10,367 buyer reviews from online shops.
Reviews last updated: October 2026 · How we calculate this
Read buyer reviews on Amazon →

What customers like about CONOPU OZC20S03?

  • Compact and lightweight design, making it highly portable and easy to place on shelves or desks
  • Ultra-quiet operation (around 39–40 dB), which makes it suitable for use in bedrooms at night
  • Low energy consumption, running efficiently at a low power rating
  • Automatic shut-off safety feature that triggers a red indicator light and beep when the water tank is full
  • Built-in 7-color aesthetic mood light that can be frozen on one color or turned off completely
  • Effective at preventing window condensation and mold in small spaces like bathrooms or sheds

What customers dislike about CONOPU OZC20S03?

  • Limited moisture extraction rate, making it slow or ineffective for medium to large rooms
  • May not perform as well or efficiently in cold winter environments without an active defrost cycle
  • Emptying the compact water container can occasionally be messy if not handled carefully
  • Long-term reliability issues reported by some users, including the unit or power brick failing prematurely
  • Does not significantly speed up large laundry drying tasks compared to compressor-based units

Compare CONOPU OZC20S03 with other Dehumidifiers

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