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Sejoy Cool Mist Air 8L Review | 43 Data compared

Avg. price:~£90Humidification rate:300 ml/hMaximum room area:46 m²Water tank capacity:8 LMaximum operating time:24 hoursMaximum noise level:38 dB

Sejoy Cool Mist Air 8L Review: Compare 43 technical specifications and user reviews to see how this product ranks in the Humidifiers category and whether it is worth buying.

Sejoy Cool Mist Air 8L
7.4/10

Overall score

Score
7.4/ 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–² Better than 71% of models
Score components

80%

7.6

Technical score

20%

6.8

User score

â–²Better than 71% of humidifiers
7.7

Value for money

Value for money
7.7/ 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–² Better than 54% of models
Score components

70%

7.4

Overall score

30%

8.2

Price

â–²Better than 54%
7.6

Technical score

Technical score
7.6/ 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–² Better than 78% of models
Score components

45%

7.8

Performance

40%

7.5

Features

15%

7.5

Design

â–²Better than 78%
6.8

User score

User score
6.8/ 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 93% of models
Score components

70%

7.2

User ratings

30%

5.7

Number of reviews

Based on ratings from across the web.
â–¼Worse than 93%
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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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Technical Specifications of humidifier Sejoy Cool Mist Air 8L

Technical score
Technical score
7.6/ 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–² Better than 78% of models
Score components:

45%

7.8

Performance

40%

7.5

Features

15%

7.5

Design

7.6
User score
User score
6.8/ 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 93% of models
Score components

70%

7.2

User ratings

30%

5.7

Number of reviews

Based on ratings from across the web.
6.8
Popularity
Popularity
5.7/ 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 66% of models
Popularity:
Sejoy Cool Mist Air 8L has a popularity score of 5.7 points, which is lower than 63.1% of products in this category.
5.7
Value for money
Value for money
7.7/ 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–² Better than 54% of models
Score components:

70%

7.4

Overall score

30%

8.2

Price

7.7
Technology
evaporative
Humidification rate
300 ml/h
Market range: <50 ml/h – >500 ml/h
This humidifier delivers a humidification rate of 300 ml/h, which is higher than that of 55.7% of humidifiers and equal to that of 17.9% of humidifiers.
Maximum room area
46 m²
Market range: <20 m² – >60 m²
This humidifier covers rooms up to 46 m², which is larger than that of 73.9% of humidifiers and equal to that of 1.4% of humidifiers.
Water tank capacity
8 L
Market range: <0.4 L – >6.5 L
This humidifier has a water tank capacity of 8 L, which is larger than that of 93.3% of humidifiers and equal to that of 2.7% of humidifiers.
Maximum operating time
24 hours
Market range: <8 hours – >60 hours
This humidifier runs for up to 24 hours on a single fill, which is longer than 46.3% of humidifiers and equal to that of 8.7% 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
yes
This humidifier includes a dedicated aroma compartment. A dedicated aroma compartment is present in 48.3% 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.
Show more
Fill type
top fill
Color
black
Material
plastic
360° nozzle
yes
This humidifier has a 360° nozzle. A 360° nozzle is included in 57.7% of humidifiers.
Display
yes
This humidifier has a display. A display is included in 43.6% of humidifiers.
Show more

Sejoy Cool Mist Air 8L vs the average humidifier

246810TotalPerformanceFeaturesDesign
  • 4.65 L larger water tank
    This humidifier has a larger water tank than the average humidifier (8 L vs 3.35 L).
    8 L vs 3.35 L
  • Hygrostat included
    This humidifier has a hygrostat; the average humidifier has no hygrostat.
  • 15 m² more room coverage
    This humidifier covers larger rooms than the average humidifier (46 m² vs 31 m²).
    46 m² vs 31 m²
  • Washable filter
    This humidifier includes a washable filter; the average humidifier does not include a washable filter.
  • Dedicated aroma compartment
    This humidifier includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
  • 4.32 cm narrower body
    This humidifier has a narrower body than the average humidifier (15.2 cm vs 19.6 cm).
    15.24 cm vs 19.555 cm
  • Display included
    This humidifier has a display; the average humidifier does not have a display.
  • 3.01 cm shallower body
    This humidifier has a shallower depth than the average humidifier (15.2 cm vs 18.25 cm).
    15.24 cm vs 18.25 cm
  • 1.5% better value for money
    Sejoy Cool Mist Air 8L offers better value for money than the average humidifier (7.67 vs 7.6).
    7.67 vs 7.56
  • 4.65 L larger water tank
    This humidifier has a larger water tank than the average humidifier (8 L vs 3.35 L).
    8 L vs 3.35 L
  • Hygrostat included
    This humidifier has a hygrostat; the average humidifier has no hygrostat.
  • 15 m² more room coverage
    This humidifier covers larger rooms than the average humidifier (46 m² vs 31 m²).
    46 m² vs 31 m²
  • 10 % RH higher target humidity
    This humidifier supports a higher target humidity setting than the average humidifier (90 % RH vs 80 % RH).
    90 % RH vs 80 % RH
  • 15.4% higher humidification rate
    This humidifier delivers a higher humidification rate than the average humidifier (300 ml/h vs 260 ml/h).
    300 ml/h vs 260 ml/h
  • Washable filter
    This humidifier includes a washable filter; the average humidifier does not include a washable filter.
  • Dedicated aroma compartment
    This humidifier includes a dedicated aroma compartment; the average humidifier does not include a dedicated aroma compartment.
  • 4.32 cm narrower body
    This humidifier has a narrower body than the average humidifier (15.2 cm vs 19.6 cm).
    15.24 cm vs 19.555 cm
  • Display included
    This humidifier has a display; the average humidifier does not have a display.
  • 3.01 cm shallower body
    This humidifier has a shallower depth than the average humidifier (15.2 cm vs 18.25 cm).
    15.24 cm vs 18.25 cm
  • 4.9 dB higher maximum noise
    This humidifier is louder at maximum output than the average humidifier (38 dB vs 33.1 dB).
    38 dB vs 33.1 dB
  • No LED lighting
    This humidifier does not feature LED lighting; the average humidifier features LED lighting.
  • 42.14 cm taller body
    This humidifier stands taller than the average humidifier (71.1 cm vs 28.98 cm).
    71.12 cm vs 28.98 cm
  • 41.9% heavier
    This humidifier is heavier than the average humidifier (2.1 kg vs 1.48 kg).
    2.1 kg vs 1.48 kg
  • 18.4% lower user score
    User score
    6.8/ 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
    Sejoy Cool Mist Air 8L
    the average humidifier
    Sejoy Cool Mist Air 8L has a lower user score than the average humidifier (6.75 vs 8.000).
    6.75 vs 8
  • 1 W higher power draw
    This humidifier draws more power than the average humidifier (25 W vs 24 W).
    25 W vs 24 W
  • 2.57x more expensive
    Sejoy Cool Mist Air 8L is more expensive than the average humidifier (£90 vs £35).
    £90 vs £35
  • 11.9% less popular
    Sejoy Cool Mist Air 8L is less popular than the average humidifier (5.72 vs 6.4).
    5.72 vs 6.4
  • 18.4% lower user score
    User score
    6.8/ 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
    Sejoy Cool Mist Air 8L
    the average humidifier
    Sejoy Cool Mist Air 8L has a lower user score than the average humidifier (6.75 vs 8.000).
    6.75 vs 8
  • 2.57x more expensive
    Sejoy Cool Mist Air 8L is more expensive than the average humidifier (£90 vs £35).
    £90 vs £35
  • 11.9% less popular
    Sejoy Cool Mist Air 8L is less popular than the average humidifier (5.72 vs 6.4).
    5.72 vs 6.4
  • 4.9 dB higher maximum noise
    This humidifier is louder at maximum output than the average humidifier (38 dB vs 33.1 dB).
    38 dB vs 33.1 dB
  • 1 W higher power draw
    This humidifier draws more power than the average humidifier (25 W vs 24 W).
    25 W vs 24 W
  • No LED lighting
    This humidifier does not feature LED lighting; the average humidifier features LED lighting.
  • 42.14 cm taller body
    This humidifier stands taller than the average humidifier (71.1 cm vs 28.98 cm).
    71.12 cm vs 28.98 cm
  • 41.9% heavier
    This humidifier is heavier than the average humidifier (2.1 kg vs 1.48 kg).
    2.1 kg vs 1.48 kg

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

R
rtings.com
22/11/2024
Summary of the review
Sejoy ASN-13 Humidifier Review - RTINGS.com

Third-party reviews

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

What we like about Sejoy Cool Mist Air 8L

  • Large 8-liter capacity minimizes the need for frequent refills during extended use
  • Convenient top-fill design allows users to add water easily without removing the tank
  • Whisper-quiet operation and dedicated sleep mode make it ideal for bedrooms
  • Filterless setup reduces long-term maintenance tasks and extra accessory costs
  • Features a remote control and timer for easy operation from a distance
  • Includes a dedicated essential oil tray for integrated aromatherapy benefits

What we don't like about Sejoy Cool Mist Air 8L

  • Built-in humidity sensor can be inaccurate by up to 20 percent
  • The top tank does not lock securely onto the base, making it prone to spills if bumped
  • Narrow and tall tank structure makes the bottom difficult to reach and clean thoroughly
  • Thin water level indicator window is hard to read in low light conditions
  • May temporarily shut down or stop misting when first turned on if water pipes fill slowly

Verdict

The Sejoy Cool Mist Air 8L is a filterless floor tower ultrasonic humidifier engineered for large spaces up to 500 square feet, operating at a 25W power rating with a maximum mist output of 300mL/h. Key characteristics and pros include a massive 8-litre (2.11-gallon) detachable top-fill water tank that delivers up to 24 to 27 hours of continuous operation, an integrated essential oil tray, a 360-degree rotating nozzle, an adjustable humidistat (40%-75%), a 12-hour timer, and a whisper-quiet sleep mode operating below 30 to 38 decibels alongside a remote control. However, notable cons include a top cover that does not lock securely to the base, making it prone to spillage if knocked over, a built-in humidity sensor that can be inaccurate by roughly 20%, and a thin water level window that remains difficult to read in dim lighting.

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