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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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HIMOX H04 Review | 45 Data compared

Avg. price:~£90Max. CADR:220 m³/hMaximum room area:57 m²Maximum noise level:55 dBHEPA filter:yesWeight:5.72 kg

HIMOX H04 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.

HIMOX H04
6.8/10

Overall score

Score
6.8/ 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 54% of models
Score components

80%

6.4

Technical score

20%

8.4

User score

â–¼Worse than 54% 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
â–¼
<55-66-77-88-99-10
â–² Better than 64% of models
Score components

70%

6.8

Overall score

30%

10

Price

â–²Better than 64%
6.4

Technical score

Technical score
6.4/ 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 62% of models
Score components

50%

4.5

Performance

40%

8.4

Features

10%

8.0

Design

â–¼Worse than 62%
8.4

User score

User score
8.4/ 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–² Better than 67% of models
Score components

70%

8.8

User ratings

30%

7.7

Number of reviews

Based on 1,289 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–²Better than 67%
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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 HIMOX H04

Technical score
Technical score
6.4/ 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 62% of models
Score components:

50%

4.5

Performance

40%

8.4

Features

10%

8.0

Design

6.4
User score
User score
8.4/ 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–² Better than 67% of models
Score components

70%

8.8

User ratings

30%

7.7

Number of reviews

Based on 1,289 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.
8.4
Popularity
Popularity
7.7/ 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–² Better than 73% of models
Popularity:
HIMOX H04 has a popularity score of 7.7 points, which is higher than 72.7% of products in this category.
7.7
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
â–¼
<55-66-77-88-99-10
â–² Better than 64% of models
Score components:

70%

6.8

Overall score

30%

10

Price

7.8
Power
16 W
Market range: <10 W – >68 W
This air purifier has a power output of 16 W, which is lower than that of 83.4% of air purifiers and the same as that of 1.1% of air purifiers.
Max. CADR
220 m³/h
Market range: <100 m³/h – >515 m³/h
This air purifier delivers a CADR of 220 m³/h, which is lower than that of 59% of air purifiers and the same as that of 1.2% of air purifiers.
Maximum room area
57 m²
Market range: <20 m² – >130 m²
This air purifier covers up to 57 m², which is larger than 58.1% of air purifiers.
N. of speeds
4
Market range: <3 – >5
This air purifier offers 4 fan speeds, which is more than 55.9% of air purifiers and the same as 25.1% of air purifiers.
Maximum noise level
55 dB
Market range: <32 dB – >61 dB
This air purifier reaches 55 dB at maximum speed, which is louder than 58.5% of air purifiers and the same as 12.2% of air purifiers.
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Air quality indicator
yes
This air purifier has 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
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
yes
This air purifier has a display. This feature is present on 51.1% of air purifiers.
Display position
front
Control type
buttons
Show more

HIMOX H04 vs the average air purifier

246810TotalPerformanceFeaturesDesign
  • Has a child lock
    This air purifier has a child lock; the average air purifier does not.
  • 1 more fan speeds
    This air purifier provides more fan speed settings than the average air purifier (4 vs 3).
    4 vs 3
  • 13.73 cm shallower depth
    This air purifier is shallower than the average air purifier (8.3 cm vs 22 cm).
    8.27 cm vs 22 cm
  • Has an ionizer
    This air purifier has an ionizer; the average air purifier does not.
  • 14.31 cm narrower width
    This air purifier is narrower than the average air purifier (13 cm vs 27.3 cm).
    12.99 cm vs 27.3 cm
  • 29.2 cm shorter height
    This air purifier has a lower height than the average air purifier (20.8 cm vs 50 cm).
    20.8 cm vs 50 cm
  • 8 m² larger room area
    This air purifier covers a larger room area than the average air purifier (57 m² vs 49 m²).
    57 m² vs 49 m²
  • 55.6% cheaper
    HIMOX H04 is cheaper than the average air purifier (£90 vs £140).
    £90 vs £140
  • 55.6% cheaper
    HIMOX H04 is cheaper than the average air purifier (£90 vs £140).
    £90 vs £140
  • 15.4% more popular
    HIMOX H04 is more popular than the average air purifier (7.69 vs 6.7).
    7.69 vs 6.67
  • 4.8% higher user score
    User score
    8.4/ 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
    â–¼
    <55-66-77-88-99-10
    HIMOX H04
    the average air purifier
    HIMOX H04 has a higher user score than the average air purifier (8.44 vs 8.048).
    8.44 vs 8.05
  • 3.5% better value for money
    HIMOX H04 offers better value for money than the average air purifier (7.78 vs 7.5).
    7.78 vs 7.52
  • 1 more fan speeds
    This air purifier provides more fan speed settings than the average air purifier (4 vs 3).
    4 vs 3
  • 8 m² larger room area
    This air purifier covers a larger room area than the average air purifier (57 m² vs 49 m²).
    57 m² vs 49 m²
  • Has a child lock
    This air purifier has a child lock; the average air purifier does not.
  • Has an ionizer
    This air purifier has an ionizer; the average air purifier does not.
  • 13.73 cm shallower depth
    This air purifier is shallower than the average air purifier (8.3 cm vs 22 cm).
    8.27 cm vs 22 cm
  • 14.31 cm narrower width
    This air purifier is narrower than the average air purifier (13 cm vs 27.3 cm).
    12.99 cm vs 27.3 cm
  • 29.2 cm shorter height
    This air purifier has a lower height than the average air purifier (20.8 cm vs 50 cm).
    20.8 cm vs 50 cm
  • 21.5 W lower power
    This air purifier has a lower power output than the average air purifier (16 W vs 37.5 W).
    16 W vs 37.5 W
  • 2 dB higher maximum noise level
    This air purifier runs louder at maximum speed than the average air purifier (55 dB vs 53 dB).
    55 dB vs 53 dB
  • 8.3% lower CADR
    This air purifier provides a lower clean air delivery rate than the average air purifier (220 m³/h vs 240 m³/h).
    220 m³/h vs 240 m³/h
  • 25.2% higher weight
    This air purifier is heavier than the average air purifier (5.7 kg vs 4.57 kg).
    5.72 kg vs 4.57 kg
  • 92.7% larger external volume
    This air purifier has a larger overall volume than the average air purifier (2234.5 cm³ vs 30700.8 cm³).
    2,234.48784 cm³ vs 30,700.8 cm³
  • 21.5 W lower power
    This air purifier has a lower power output than the average air purifier (16 W vs 37.5 W).
    16 W vs 37.5 W
  • 2 dB higher maximum noise level
    This air purifier runs louder at maximum speed than the average air purifier (55 dB vs 53 dB).
    55 dB vs 53 dB
  • 8.3% lower CADR
    This air purifier provides a lower clean air delivery rate than the average air purifier (220 m³/h vs 240 m³/h).
    220 m³/h vs 240 m³/h
  • 25.2% higher weight
    This air purifier is heavier than the average air purifier (5.7 kg vs 4.57 kg).
    5.72 kg vs 4.57 kg
  • 92.7% larger external volume
    This air purifier has a larger overall volume than the average air purifier (2234.5 cm³ vs 30700.8 cm³).
    2,234.48784 cm³ vs 30,700.8 cm³

Video reviews

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

Third-party reviews

Based on 1,289 buyer reviews from online shops.
Reviews last updated: August 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about HIMOX H04

  • Highly effective medical-grade H13 HEPA 3-stage filtration system that captures 99.97% of tiny particles and allergens
  • Excellent odor and smoke elimination from cooking, pets, and cigarettes via the activated carbon layer
  • Real-time air quality monitoring with clear, multi-colored digital display indicators (Blue, Yellow, Red)
  • Extremely quiet operation in sleep mode, keeping noise levels under 20 decibels
  • Energy-efficient performance with lower power consumption compared to similarly sized models
  • Large coverage area while maintaining a compact, space-saving design with a premium look
  • Convenient features including a multi-hour timer function, auto mode, and integrated child lock

What we don't like about HIMOX H04

  • Can become noticeably loud when operating on the highest fan speed setting
  • Requires regular filter replacements approximately every 6 months to maintain peak performance
  • Using non-genuine or third-party replacement filters may underperform or potentially damage the machine

Verdict

The HIMOX H04 is an ozone-free air purifier featuring a 3-stage filtration system consisting of a pre-filter, a medical-grade H13 True HEPA filter, and an activated carbon filter to eliminate 99.97% of airborne particles down to 0.1 microns. It delivers a Clean Air Delivery Rate (CADR) of 220 m³/h (129.5 CFM) to efficiently cover rooms up to 845 square feet in one hour while operating on an energy-saving 25W of power. Main pros include its quiet performance at or below 20 decibels in sleep mode, a touch control panel with built-in child lock and timer functions, and a smart PM1.0 laser sensor that changes color (blue, green/yellow, red) to visually communicate real-time air quality while adjusting fan speeds automatically. However, notable cons include the recurring operational cost of replacing the filter approximately every six months (or 1,500 hours) and strict third-party compatibility limitations that cause alternative filter brands to potentially damage the machine.

Compare HIMOX H04 with other products in the Air Purifiers category

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