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GREE GCF300ASNA Review | 45 Data compared

Avg. price:~£130Max. CADR:340 m³/hMaximum room area:80 m²Maximum noise level:58 dBHEPA filter:yesWeight:8 kg

GREE GCF300ASNA Review: Compare 45 technical specifications and user reviews to see how this product ranks in the Air Purifiers category and whether it is worth buying.

GREE GCF300ASNA
7.0/10

Overall score

Score
7.0/ 10
✕
What it is
An overall evaluation of products in the Air Purifiers category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Air Purifiers category.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 51% of models
Score components

80%

6.7

Technical score

20%

8.1

User score

▲Better than 51% of air purifiers
7.8

Value for money

Value for money
7.8/ 10
✕
What it is
An indicator that combines the overall score of products in the Air Purifiers category with their prices.
When it matters
When you are comparing products in the Air Purifiers category and want a good balance between quality and price.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 64% of models
Score components

70%

7.0

Overall score

30%

9.7

Price

▲Better than 64%
6.7

Technical score

Technical score
6.7/ 10
✕
What it is
An assessment of technical performance for products in the Air Purifiers category across these key areas: Performance, Features, Design.
When it matters
When you want to compare products in the Air Purifiers category by technical performance, specifications, and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 54% of models
Score components

50%

6.1

Performance

40%

8.0

Features

10%

4.4

Design

▼Worse than 54%
8.1

User score

User score
8.1/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Air Purifiers category.
When it matters
When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 55% of models
Score components

70%

8.8

User ratings

30%

6.5

Number of reviews

Based on ratings from across the web.
▲Better than 55%
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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 air purifier GREE GCF300ASNA

Technical score
Technical score
6.7/ 10
✕
What it is
An assessment of technical performance for products in the Air Purifiers category across these key areas: Performance, Features, Design.
When it matters
When you want to compare products in the Air Purifiers category by technical performance, specifications, and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 54% of models
Score components:

50%

6.1

Performance

40%

8.0

Features

10%

4.4

Design

6.7
User score
User score
8.1/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Air Purifiers category.
When it matters
When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 55% of models
Score components

70%

8.8

User ratings

30%

6.5

Number of reviews

Based on ratings from across the web.
8.1
Popularity
Popularity
6.5/ 10
✕
What it is
An indicator based on the number of reviews received by products in the Air Purifiers category.
When it matters
When you prefer products in the Air Purifiers category that have been chosen and reviewed by many other buyers.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 54% of models
Popularity:
GREE GCF300ASNA has a popularity score of 6.5 points, which is lower than 52.5% of products in this category.
6.5
Value for money
Value for money
7.8/ 10
✕
What it is
An indicator that combines the overall score of products in the Air Purifiers category with their prices.
When it matters
When you are comparing products in the Air Purifiers category and want a good balance between quality and price.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 64% of models
Score components:

70%

7.0

Overall score

30%

9.7

Price

7.8
Power
43 W
Market range: <10 W – >68 W
This air purifier has a power output of 43 W, which is higher than that of 61.3% of air purifiers and the same as that of 0.6% of air purifiers.
Max. CADR
340 m³/h
Market range: <100 m³/h – >515 m³/h
This air purifier delivers a CADR of 340 m³/h, which is higher than that of 69.6% of air purifiers and the same as that of 1.9% of air purifiers.
Maximum room area
80 m²
Market range: <20 m² – >130 m²
This air purifier covers up to 80 m², which is larger than 72.4% of air purifiers and the same as 1.2% of air purifiers.
N. of speeds
3
Market range: <3 – >5
This air purifier offers 3 fan speeds, which is more than 6.7% of air purifiers and the same as 48.6% of air purifiers.
Maximum noise level
58 dB
Market range: <32 dB – >61 dB
This air purifier reaches 58 dB at maximum speed, which is louder than 77.4% of air purifiers.
Show more
Air quality indicator
yes
This air purifier has an air-quality indicator. This feature is present on 65.4% of air purifiers.
Continuous purification
no
This air purifier does not support continuous purification. This feature is present on 86.3% of air purifiers.
Auto mode
yes
This air purifier has auto mode. This feature is present on 67% of air purifiers.
Timer
yes
This air purifier has a timer. This feature is present on 75% of air purifiers.
Maximum timer
8 hours
Market range: <8 hours – >24 hours
This air purifier features a maximum timer of 8 hours, which is longer than that of 5.5% of air purifiers and the same as that of 57.8% of air purifiers.
Show more
Color
white
Material
plastic
Display
no
This air purifier does not have a display. This feature is present on 51.1% of air purifiers.
Display position
N/A
Control type
buttons
Show more

GREE GCF300ASNA vs the average air purifier

246810TotalPerformanceFeaturesDesign
  • 41.7% higher CADR
    This air purifier provides a higher clean air delivery rate than the average air purifier (340 m³/h vs 240 m³/h).
    340 m³/h vs 240 m³/h
  • 31 m² larger room area
    This air purifier covers a larger room area than the average air purifier (80 m² vs 49 m²).
    80 m² vs 49 m²
  • Has UV light
    This air purifier has UV light; the average air purifier does not.
  • Has a handle
    This air purifier has a handle; the average air purifier does not.
  • 5.5 W higher power
    This air purifier has a higher power output than the average air purifier (43 W vs 37.5 W).
    43 W vs 37.5 W
  • 3.5% better value for money
    GREE GCF300ASNA offers better value for money than the average air purifier (7.78 vs 7.5).
    7.78 vs 7.52
  • 7.7% cheaper
    GREE GCF300ASNA is cheaper than the average air purifier (£130 vs £140).
    £130 vs £140
  • 0.8% higher user score
    User score
    8.1/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Air Purifiers category.
    When it matters
    When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼
    ▼
    <55-66-77-88-99-10
    GREE GCF300ASNA
    the average air purifier
    GREE GCF300ASNA has a higher user score than the average air purifier (8.11 vs 8.048).
    8.11 vs 8.05
  • 3.5% better value for money
    GREE GCF300ASNA offers better value for money than the average air purifier (7.78 vs 7.5).
    7.78 vs 7.52
  • 7.7% cheaper
    GREE GCF300ASNA is cheaper than the average air purifier (£130 vs £140).
    £130 vs £140
  • 0.8% higher user score
    User score
    8.1/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Air Purifiers category.
    When it matters
    When you want to know how products in the Air Purifiers category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼
    ▼
    <55-66-77-88-99-10
    GREE GCF300ASNA
    the average air purifier
    GREE GCF300ASNA has a higher user score than the average air purifier (8.11 vs 8.048).
    8.11 vs 8.05
  • 41.7% higher CADR
    This air purifier provides a higher clean air delivery rate than the average air purifier (340 m³/h vs 240 m³/h).
    340 m³/h vs 240 m³/h
  • 31 m² larger room area
    This air purifier covers a larger room area than the average air purifier (80 m² vs 49 m²).
    80 m² vs 49 m²
  • 5.5 W higher power
    This air purifier has a higher power output than the average air purifier (43 W vs 37.5 W).
    43 W vs 37.5 W
  • Has UV light
    This air purifier has UV light; the average air purifier does not.
  • Has a handle
    This air purifier has a handle; the average air purifier does not.
  • 5 dB higher maximum noise level
    This air purifier runs louder at maximum speed than the average air purifier (58 dB vs 53 dB).
    58 dB vs 53 dB
  • 75.1% higher weight
    This air purifier is heavier than the average air purifier (8 kg vs 4.57 kg).
    8 kg vs 4.57 kg
  • No continuous purification
    This air purifier does not support continuous purification; the average air purifier does.
  • No display
    This air purifier does not have a display; the average air purifier does.
  • 0.7 m shorter power cord
    This air purifier features a shorter power cord than the average air purifier (1.1 m vs 1.8 m).
    1.1 m vs 1.8 m
  • 4 cm greater depth
    This air purifier is deeper than the average air purifier (26 cm vs 22 cm).
    26 cm vs 22 cm
  • 3.7 cm wider width
    This air purifier is wider than the average air purifier (31 cm vs 27.3 cm).
    31 cm vs 27.3 cm
  • 33.9% larger external volume
    This air purifier has a larger overall volume than the average air purifier (41106 cm³ vs 30700.8 cm³).
    41,106 cm³ vs 30,700.8 cm³
  • 2.6% less popular
    GREE GCF300ASNA is less popular than the average air purifier (6.5 vs 6.7).
    6.5 vs 6.67
  • 5 dB higher maximum noise level
    This air purifier runs louder at maximum speed than the average air purifier (58 dB vs 53 dB).
    58 dB vs 53 dB
  • No continuous purification
    This air purifier does not support continuous purification; the average air purifier does.
  • 75.1% higher weight
    This air purifier is heavier than the average air purifier (8 kg vs 4.57 kg).
    8 kg vs 4.57 kg
  • No display
    This air purifier does not have a display; the average air purifier does.
  • 0.7 m shorter power cord
    This air purifier features a shorter power cord than the average air purifier (1.1 m vs 1.8 m).
    1.1 m vs 1.8 m
  • 4 cm greater depth
    This air purifier is deeper than the average air purifier (26 cm vs 22 cm).
    26 cm vs 22 cm
  • 3.7 cm wider width
    This air purifier is wider than the average air purifier (31 cm vs 27.3 cm).
    31 cm vs 27.3 cm
  • 33.9% larger external volume
    This air purifier has a larger overall volume than the average air purifier (41106 cm³ vs 30700.8 cm³).
    41,106 cm³ vs 30,700.8 cm³
  • 1 cm taller height
    This air purifier is taller than the average air purifier (51 cm vs 50 cm).
    51 cm vs 50 cm

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 GREE GCF300ASNA

  • Highly efficient 3-stage filtration featuring a medical-grade H13 True HEPA filter, an activated carbon filter, and a pre-filter
  • Equipped with built-in UV-A sterilization technology that adds a layer of defense against viruses, bacteria, and germs
  • Delivers a powerful clean air delivery rate (CADR) of 305 m³/h, rapidly cleaning spaces between 20 to 80 square meters
  • Whisper-quiet operation in Sleep Mode (around 24dB) making it comfortable for overnight bedroom use
  • Intelligent real-time air quality monitoring with color indicators (green, yellow, red) that automatically adjusts the fan speed in Auto Mode
  • User-friendly touch control panel with practical modes, an 8-hour auto-off timer, and a smart filter replacement reminder

What we don't like about GREE GCF300ASNA

  • Regular recurring costs due to the short filter life expectancy, requiring replacement every 3 to 6 months depending on air quality
  • Lacks advanced smartphone app connectivity and Wi-Fi control features found on newer competing smart air purifiers
  • Fan noise increases noticeably when running on the highest manual speed or under high-demand Turbo mode
  • The UV sterilization light must be manually toggled via specific speed/mode combinations rather than having a dedicated standalone button

Verdict

The GREE GCF300ASNA is a 43-watt corded electric air purifier engineered for spaces ranging from 20 to 80 square metres, delivering a particulate CADR of up to 305 m³/h. Its core strength lies in a 3-in-1 filtration system comprising a primary filter, an H13 True HEPA filter that captures 99.97% of particles down to 0.3 micrometres, an activated carbon filter for volatile organic compounds (VOCs) and odours, and an optional built-in UV sterilization light. Main advantages include a ultra-quiet 24-decibel sleep mode, real-time air quality monitoring with automatic fan speed adjustments, three physical speeds, a 2/4/8-hour timer, and an intelligent filter replacement indicator. However, it lacks advanced modern smart features such as Wi-Fi connectivity or a remote control, and its 305 m³/h CADR may prove underpowered for highly polluted or very large open-concept spaces exceeding its optimal thresholds.

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