OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Air Purifiers Methodology v1.0
Air Purifiers Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Air Purifiers Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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ACADGQ O3 Review | 45 Data compared

Avg. price:~£25Max. CADR:150 m³/hMaximum room area:40 m²Maximum noise level:33 dBHEPA filter:noWeight:0.4 kg

ACADGQ O3 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.

ACADGQ O3
5.5/10

Overall score

Score
5.5/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 95% of models
Score components

80%

5.0

Technical score

20%

7.5

User score

â–¼Worse than 95% of air purifiers
6.9

Value for money

Value for money
6.9/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components

70%

5.5

Overall score

30%

10

Price

â–¼Worse than 88%
5.0

Technical score

Technical score
5.0/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 95% of models
Score components

50%

4.3

Performance

40%

5.0

Features

10%

8.9

Design

â–¼Worse than 95%
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 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 84% of models
Score components

70%

8.2

User ratings

30%

6.0

Number of reviews

Based on 183 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.
â–¼Worse than 84%
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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.
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Technical Specifications of air purifier ACADGQ O3

Technical score
Technical score
5.0/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 95% of models
Score components:

50%

4.3

Performance

40%

5.0

Features

10%

8.9

Design

5.0
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 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 84% of models
Score components

70%

8.2

User ratings

30%

6.0

Number of reviews

Based on 183 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.
7.5
Popularity
Popularity
6.0/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 66% of models
Popularity:
ACADGQ O3 has a popularity score of 6 points, which is lower than 65% of products in this category.
6.0
Value for money
Value for money
6.9/ 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
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components:

70%

5.5

Overall score

30%

10

Price

6.9
Power
8 W
Market range: <10 W – >68 W
This air purifier has a power output of 8 W, which is lower than that of 91.2% of air purifiers.
Max. CADR
150 m³/h
Market range: <100 m³/h – >515 m³/h
This air purifier delivers a CADR of 150 m³/h, which is lower than that of 75.2% of air purifiers and the same as that of 3.1% of air purifiers.
Maximum room area
40 m²
Market range: <20 m² – >130 m²
This air purifier covers up to 40 m², which is smaller than 60.3% of air purifiers and the same as 6.9% 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
33 dB
Market range: <32 dB – >61 dB
This air purifier reaches 33 dB at maximum speed, which is quieter than 98.2% of air purifiers and the same as 0.6% of air purifiers.
Show more
Air quality indicator
no
This air purifier does not have an air-quality indicator. This feature is present on 65.4% of air purifiers.
Continuous purification
yes
This air purifier supports continuous purification. This feature is present on 86.3% of air purifiers.
Auto mode
no
This air purifier does not have auto mode. This feature is present on 67% of air purifiers.
Timer
no
This air purifier does not have a timer. This feature is present on 75% of air purifiers.
Maximum timer
N/A
Show more
Color
white
Material
plastic
Display
yes
This air purifier has a display. This feature is present on 51.1% of air purifiers.
Display position
front
Control type
touch
Show more

ACADGQ O3 vs the average air purifier

246810TotalPerformanceFeaturesDesign
  • 20 dB lower maximum noise level
    This air purifier runs quieter at maximum speed than the average air purifier (33 dB vs 53 dB).
    33 dB vs 53 dB
  • 91.2% lower weight
    This air purifier is lighter than the average air purifier (0.4 kg vs 4.57 kg).
    0.4 kg vs 4.57 kg
  • Has an ionizer
    This air purifier has an ionizer; the average air purifier does not.
  • 14.3 cm narrower width
    This air purifier is narrower than the average air purifier (13 cm vs 27.3 cm).
    13 cm vs 27.3 cm
  • 42.2 cm shorter height
    This air purifier has a lower height than the average air purifier (7.8 cm vs 50 cm).
    7.8 cm vs 50 cm
  • 9 cm shallower depth
    This air purifier is shallower than the average air purifier (13 cm vs 22 cm).
    13 cm vs 22 cm
  • 5.6x cheaper
    ACADGQ O3 is cheaper than the average air purifier (£25 vs £140).
    £25 vs £140
  • 5.6x cheaper
    ACADGQ O3 is cheaper than the average air purifier (£25 vs £140).
    £25 vs £140
  • 20 dB lower maximum noise level
    This air purifier runs quieter at maximum speed than the average air purifier (33 dB vs 53 dB).
    33 dB vs 53 dB
  • Has an ionizer
    This air purifier has an ionizer; the average air purifier does not.
  • 91.2% lower weight
    This air purifier is lighter than the average air purifier (0.4 kg vs 4.57 kg).
    0.4 kg vs 4.57 kg
  • 14.3 cm narrower width
    This air purifier is narrower than the average air purifier (13 cm vs 27.3 cm).
    13 cm vs 27.3 cm
  • 42.2 cm shorter height
    This air purifier has a lower height than the average air purifier (7.8 cm vs 50 cm).
    7.8 cm vs 50 cm
  • 9 cm shallower depth
    This air purifier is shallower than the average air purifier (13 cm vs 22 cm).
    13 cm vs 22 cm
  • No HEPA filter
    This air purifier does not have a HEPA filter; the average air purifier does.
  • No air-quality indicator
    This air purifier does not have an air-quality indicator; the average air purifier does.
  • No auto mode
    This air purifier does not have auto mode; the average air purifier does.
  • 37.5% lower CADR
    This air purifier provides a lower clean air delivery rate than the average air purifier (150 m³/h vs 240 m³/h).
    150 m³/h vs 240 m³/h
  • No activated carbon filter
    This air purifier does not have an activated carbon filter; the average air purifier does.
  • No washable prefilter
    This air purifier does not have a washable prefilter; the average air purifier does.
  • 29.5 W lower power
    This air purifier has a lower power output than the average air purifier (8 W vs 37.5 W).
    8 W vs 37.5 W
  • No dirty-filter indicator
    This air purifier does not have a dirty-filter indicator; the average air purifier does.
  • 9.5% worse value for money
    ACADGQ O3 offers worse value for money than the average air purifier (6.87 vs 7.5).
    6.87 vs 7.52
  • 6.7% 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 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
    ACADGQ O3
    the average air purifier
    ACADGQ O3 has a lower user score than the average air purifier (7.54 vs 8.048).
    7.54 vs 8.05
  • 10.8% less popular
    ACADGQ O3 is less popular than the average air purifier (6.02 vs 6.7).
    6.02 vs 6.67
  • 37.5% lower CADR
    This air purifier provides a lower clean air delivery rate than the average air purifier (150 m³/h vs 240 m³/h).
    150 m³/h vs 240 m³/h
  • 29.5 W lower power
    This air purifier has a lower power output than the average air purifier (8 W vs 37.5 W).
    8 W vs 37.5 W
  • 9 m² smaller room area
    This air purifier covers a smaller room area than the average air purifier (40 m² vs 49 m²).
    40 m² vs 49 m²
  • No HEPA filter
    This air purifier does not have a HEPA filter; the average air purifier does.
  • No air-quality indicator
    This air purifier does not have an air-quality indicator; the average air purifier does.
  • No auto mode
    This air purifier does not have auto mode; the average air purifier does.
  • No activated carbon filter
    This air purifier does not have an activated carbon filter; the average air purifier does.
  • No washable prefilter
    This air purifier does not have a washable prefilter; the average air purifier does.
  • No dirty-filter indicator
    This air purifier does not have a dirty-filter indicator; the average air purifier does.
  • No timer
    This air purifier does not have a timer; the average air purifier does.
  • 0.07 % percentage points lower bacteria elimination
    This air purifier achieves lower certified bacteria elimination than the average air purifier (99.9 % vs 99.97 %).
    99.9 % vs 99.97 %
  • Not suitable for reducing airborne mold spores
    This air purifier is not suitable for reducing airborne mold spores, the average air purifier is.
  • Not specifically suitable for homes with pets
    This air purifier is not specifically suitable for homes with pets, unlike the average air purifier.
  • 95.7% larger external volume
    This air purifier has a larger overall volume than the average air purifier (1318.2 cm³ vs 30700.8 cm³).
    1,318.2 cm³ vs 30,700.8 cm³

Third-party reviews

Based on 183 buyer reviews from online shops.
Reviews last updated: August 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about ACADGQ O3

  • Highly efficient at rapid deodorization, removing tough bathroom, pet, and smoke smells within minutes.
  • Effective at surface sanitization, killing bacteria and mold spores in unoccupied spaces.
  • Compact, portable, and convenient for travel or switching between different rooms.
  • Features multiple working modes and an easy-to-use digital control panel with a timer function.

What we don't like about ACADGQ O3

  • Emits a distinct, sharp metallic active-oxygen odor during operation that some users find unpleasant.
  • Requires humans and pets to completely vacate the room during operation due to respiratory safety risks from O3 gas.
  • Does not physically trap or filter out particulate matter like dust, pollen, or pet dander since it lacks a physical HEPA filter.
  • Requires a strict post-treatment ventilation period before the room can be safely re-entered.

Verdict

The ACADGQ O3 Mini Ozone Air Purifier is a compact, corded-electric deodorizer and sterilizer measuring 118 x 40 x 198 mm and weighing 0.39 kg, designed to treat spaces between 20 and 40 square meters using 5W of power. It operates via touch control and features an active oxygen ozone output of 200 mg/h alongside a low noise level of 33 decibels across 4 operational modes. Main pros include a professional, rapid 7-minute deodorization process that targets formaldehydes, pet odours, and bathroom smells, plus a high sterilization rate of up to 99.99% against bacteria like E. coli, staphylococci, and mould without requiring replacement filters. However, main cons include a lack of mechanical HEPA particle filtration for dust and allergens, and the inherent health necessity that the space must remain entirely unoccupied during active ozone generation to avoid respiratory irritation.

Compare ACADGQ O3 with other products in the Air Purifiers category

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