Shark HZ400 Review | 52 Data compared

Avg. price:~£200Suction power (AW):?Battery runtime:N/A minutesCapacity:0.5 LWeight:4.8 kg

Shark HZ400 Review: Compare 52 technical specifications and user reviews to see how this product ranks in the Vacuum Cleaners category and whether it is worth buying.

6.6

Overall score

Score
6.6/ 10
✕
What it is
An overall evaluation of the vacuum cleaner's quality, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best vacuum cleaners on the market.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

80%

6.6

Technical Score

20%

?

User score

â–¼Worse than 66% of vacuum-cleaners
6.6

Technical Score

Technical score
6.6/ 10
✕
What it is
An assessment of the vacuum cleaner's technical performance across six key areas: performance, battery and power supply, filtration, attachments, design, and smart features.
When it matters
When you want to compare vacuum cleaners by cleaning performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

28%

7.5

Performance

22%

4.9

Battery

18%

7.7

Filtration

14%

7.0

Attachments

10%

6.1

Design

8%

5.2

Smart features

â–¼Worse than 51% of vacuum-cleaners
?

User score

User score
8.0/ 10
✕
What it is
A rating that combines user reviews with the total number of reviews received by the vacuum cleaner.
When it matters
When you want to know how a vacuum cleaner performs in everyday use and how reliable owners find it over time.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image

Best prices

    N/A~ £200
*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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Verdict

The Shark HZ400 (PowerDetect / Stratos Ultra-Light) is a bagless, corded stick vacuum cleaner engineered with a 5-amp, 600-watt motor that delivers powerful suction across carpets and hard floors. Main characteristics include an 8.25-inch cleaning path, a 30-foot power cord for extended reach, a 0.87-quart dustbin, an integrated LCD display, and an Anti-Allergen Complete Seal with HEPA filtration that traps 99.99% of dust and allergens. Its primary pros are the Intelli-Sense smart sensors that automatically adjust brushroll speed based on floor type and vacuuming direction, a self-cleaning DuoClean brushroll that prevents hair wrap, Odor Neutralizer Technology to combat bad smells, and a versatile design that converts into a lightweight handheld unit weighing under 3 pounds. However, minor cons include a top-heavy distribution that can cause hand fatigue during long sessions, the recurring cost of replacing the odor cartridges, and a lack of a freestanding design, meaning it must be propped up or stored on a hook when not in use.

Technical Specifications of vacuum cleaner Shark HZ400

Technical Score
Technical score
6.6/ 10
✕
What it is
An assessment of the vacuum cleaner's technical performance across six key areas: performance, battery and power supply, filtration, attachments, design, and smart features.
When it matters
When you want to compare vacuum cleaners by cleaning performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

28%

7.5

Performance

22%

4.9

Battery

18%

7.7

Filtration

14%

7.0

Attachments

10%

6.1

Design

8%

5.2

Smart features

6.6
Shark HZ400 has a technical score of 6.6 points, which is lower than 50.7% of vacuum cleaners.
User score
User score
8.0/ 10
✕
What it is
A rating that combines user reviews with the total number of reviews received by the vacuum cleaner.
When it matters
When you want to know how a vacuum cleaner performs in everyday use and how reliable owners find it over time.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
What it is
An indicator based on the number of reviews received by the vacuum cleaner.
When it matters
When you prefer a vacuum cleaner that has been chosen and reviewed by many other buyers.
Score distribution
â–¼
<55-66-77-88-99-10
Popularity:
Shark HZ400 has a popularity score of 1 point, which is lower than 61.7% of vacuum cleaners.
1.0
Shark HZ400 has a popularity score of 1 point, which is lower than 61.7% of vacuum cleaners.
Ratio quality/price
Value for money
7.4/ 10
✕
What it is
An indicator that combines the vacuum cleaner's overall score with its price.
When it matters
When you are looking for a vacuum cleaner with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

60%

6.6

Overall score

40%

9.5

Price

7.4
Shark HZ400 has a value-for-money score of 7.4 points, which is lower than 69.9% of vacuum cleaners.
Suction power (AW)
?
Suction power (kPa)
?
Airflow
?
Motor type
brushless
Power consumption
500 W
Power consumption
500 W
This vacuum cleaner draws 500 W, which is lower than the power consumption of 57.7% of vacuum cleaners and equal to that of 2.3% of vacuum cleaners.
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Cordless
no
Cordless
no
This vacuum cleaner does not work cordlessly. 49.5% of vacuum cleaners offer cordless operation.
Battery runtime
N/A
Charging time
N/A
Battery capacity
N/A
Battery voltage
N/A
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Filter class
hepa
Filter class
hepa
This vacuum cleaner uses filter class hepa, which is more advanced than the class used by 16% of vacuum cleaners and the same as the class used by 46% of vacuum cleaners.
Minimum overall efficiency
99.5%
Minimum overall efficiency
99.5%
This vacuum cleaner reaches 99.5% minimum overall efficiency, which is lower than that of 79.7% of vacuum cleaners and equal to that of 7.8% of vacuum cleaners.
Suitable for allergy sufferers
yes
Suitable for allergy sufferers
yes
This vacuum cleaner is suitable for allergy sufferers. 82.4% of vacuum cleaners are allergy-friendly.
Capacity
0.5 L
Capacity
0.5 L
This vacuum cleaner has a dust capacity of 0.5 L, which is smaller than that of 79.8% of vacuum cleaners and equal to that of 7.5% of vacuum cleaners.
Bagless
yes
Bagless
yes
This vacuum cleaner uses a bagless design. 78.6% of vacuum cleaners use this setup.
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Main brush type
soft roller
Roller type
multi-surface
Anti-tangle brush
yes
Anti-tangle brush
yes
This vacuum cleaner includes an anti-tangle brush. 25.7% of vacuum cleaners include this feature.
Mini motorized brush
no
Mini motorized brush
no
This vacuum cleaner does not include a mini motorized brush. 26.9% of vacuum cleaners include this attachment.
Suitable for pet owners
yes
Suitable for pet owners
yes
This vacuum cleaner is suitable for pet owners. 72% of vacuum cleaners handle pet hair well.
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Vacuum type
stick
Weight
4.8 kg
Weight
4.8 kg
This vacuum cleaner weighs 4.8 kg, which is greater than the weight of 69% of vacuum cleaners and equal to that of 0.2% of vacuum cleaners.
2-in-1 design
yes
2-in-1 design
yes
This vacuum cleaner offers a 2-in-1 design. 53% of vacuum cleaners offer this flexible format.
Self-standing
no
Self-standing
no
This vacuum cleaner does not stand on its own. 18.9% of vacuum cleaners offer this convenience.
Adjustable tube height
no
Adjustable tube height
no
This vacuum cleaner does not include adjustable tube height. 47.4% of vacuum cleaners offer this ergonomic feature.
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Auto suction adjustment
no
Auto suction adjustment
no
This vacuum cleaner does not support automatic suction adjustment. 19.9% of vacuum cleaners support this feature.
Dust particle sensor
no
Dust particle sensor
no
This vacuum cleaner does not include a dust particle sensor. 8% of vacuum cleaners include this feature.
LED display
no
LED display
no
This vacuum cleaner does not include an LED display. 25.9% of vacuum cleaners include this interface feature.
Nozzle light
yes
Nozzle light
yes
This vacuum cleaner includes a nozzle light. 43.4% of vacuum cleaners include this visibility feature.
Mopping support
no
Mopping support
no
This vacuum cleaner does not support mopping. 3.7% of vacuum cleaners support this multi-function feature.

Shark HZ400 vs the average vacuum cleaner

246810TotalPerformanceBatteryFiltrationAttachmentsDesignSmart features
  • Includes anti-tangle brush
    Anti-tangle brush
    yes
    This vacuum cleaner includes an anti-tangle brush, the average vacuum cleaner does not.
  • 3.5 m longer power cord
    Power cord length
    10 m
    This vacuum cleaner has a longer power cord than the average vacuum cleaner (10 m vs 6.5 m).
    10 m vs 6.5 m
  • Includes nozzle light
    Nozzle light
    yes
    This vacuum cleaner includes a nozzle light, the average vacuum cleaner does not.
  • Newer release date
    Release date
    2025
    This vacuum cleaner has a newer release date than the average vacuum cleaner (2025 vs 2021).
    Released in January 2025.
    2025 vs 2021
  • 100 W lower power consumption
    Power consumption
    500 W
    This vacuum cleaner draws less power than the average vacuum cleaner (500 W vs 600 W).
    500 W vs 600 W
  • 100 W lower power consumption
    Power consumption
    500 W
    This vacuum cleaner draws less power than the average vacuum cleaner (500 W vs 600 W).
    500 W vs 600 W
  • 3.5 m longer power cord
    Power cord length
    10 m
    This vacuum cleaner has a longer power cord than the average vacuum cleaner (10 m vs 6.5 m).
    10 m vs 6.5 m
  • Includes anti-tangle brush
    Anti-tangle brush
    yes
    This vacuum cleaner includes an anti-tangle brush, the average vacuum cleaner does not.
  • Newer release date
    Release date
    2025
    This vacuum cleaner has a newer release date than the average vacuum cleaner (2025 vs 2021).
    Released in January 2025.
    2025 vs 2021
  • Includes nozzle light
    Nozzle light
    yes
    This vacuum cleaner includes a nozzle light, the average vacuum cleaner does not.
  • 0.5 L smaller dust container
    Capacity
    0.5 L
    This vacuum cleaner has a smaller dust capacity than the average vacuum cleaner (0.5 L vs 1 L).
    0.5 L vs 1 L
  • More operating noise
    Noise level (Min-Max)
    80-80 dB
    This vacuum cleaner is noisier than the average vacuum cleaner (80-80 dB vs 77-77 dB).
    80-80 dB vs 77-77 dB
  • No upholstery nozzle
    Upholstery nozzle
    no
    This vacuum cleaner does not include an upholstery nozzle, the average vacuum cleaner does.
  • 0.45 % lower filtration efficiency
    Minimum overall efficiency
    99.5 %
    This vacuum cleaner has lower filtration efficiency than the average vacuum cleaner (99.5 % vs 99.95 %).
    99.5 % vs 99.95 %
  • No soft dusting brush
    Soft dusting brush
    no
    This vacuum cleaner does not include a soft dusting brush, the average vacuum cleaner does.
  • 32.6% higher weight
    Weight
    4.8 kg
    This vacuum cleaner is heavier than the average vacuum cleaner (4.8 kg vs 3.62 kg).
    4.8 kg vs 3.62 kg
  • 2.8% worse value for money
    Shark HZ400 offers worse value for money than the average vacuum cleaner (7.44 vs 7.6).
    7.44 vs 7.65
  • 60 mm taller body
    Height
    1,160 mm
    This vacuum cleaner is taller than the average vacuum cleaner (1160 mm vs 1100 mm).
    1,160 mm vs 1,100 mm
  • 2.8% worse value for money
    Shark HZ400 offers worse value for money than the average vacuum cleaner (7.44 vs 7.6).
    7.44 vs 7.65
  • 33.3% more expensive
    Shark HZ400 is more expensive than the average vacuum cleaner (£200 vs £150).
    £200 vs £150
  • More operating noise
    Noise level (Min-Max)
    80-80 dB
    This vacuum cleaner is noisier than the average vacuum cleaner (80-80 dB vs 77-77 dB).
    80-80 dB vs 77-77 dB
  • 0.5 L smaller dust container
    Capacity
    0.5 L
    This vacuum cleaner has a smaller dust capacity than the average vacuum cleaner (0.5 L vs 1 L).
    0.5 L vs 1 L
  • 0.45 % lower filtration efficiency
    Minimum overall efficiency
    99.5 %
    This vacuum cleaner has lower filtration efficiency than the average vacuum cleaner (99.5 % vs 99.95 %).
    99.5 % vs 99.95 %
  • No upholstery nozzle
    Upholstery nozzle
    no
    This vacuum cleaner does not include an upholstery nozzle, the average vacuum cleaner does.
  • No soft dusting brush
    Soft dusting brush
    no
    This vacuum cleaner does not include a soft dusting brush, the average vacuum cleaner does.
  • 32.6% higher weight
    Weight
    4.8 kg
    This vacuum cleaner is heavier than the average vacuum cleaner (4.8 kg vs 3.62 kg).
    4.8 kg vs 3.62 kg
  • 60 mm taller body
    Height
    1,160 mm
    This vacuum cleaner is taller than the average vacuum cleaner (1160 mm vs 1100 mm).
    1,160 mm vs 1,100 mm

Graphic comparison of Shark HZ400 and other vacuum cleaners

No results found

Third-party reviews

What customers like about Shark HZ400?

  • Strong suction power that effectively picks up deep-seated dirt
  • Excellent pet hair removal on both carpets and hard floors
  • Anti-Hair Wrap technology successfully keeps the brush roll clear of tangles
  • Long 10-metre power cable provides extended cleaning range without unplugging
  • Highly versatile design that quickly converts into a portable handheld vacuum
  • Easy to assemble and simple to empty the dust container

What customers dislike about Shark HZ400?

  • Feels top-heavy and physically straining to handle during long cleaning sessions
  • Stiff and inflexible power cord can twist easily and create a tripping hazard
  • Fails to stand upright on its own unless folded over or parked on a dedicated stand
  • Leaves noticeable wheel tracks on deep-pile carpets instead of clean vacuum lines
  • Detachable pod mechanism can be awkward and stubborn to click back into place
  • Handheld motor unit is quite noisy during operation

Expert reviews

In-depth analysis and verdict from leading tech publications

T
trustedreviews.com
18/12/2019
Summary of the review
R
reviewspot.co.uk
11/09/2019
Summary of the review
T
trustedreviews.com
18/12/2019
Summary of the review

Video reviews

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

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