OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

Shark HZ400 Review | 52 Data compared

double-arrow
  • Avg. price in UK: ~£200
  • Avg. price in US: ~$200
  • Suction power (AW): ?
  • Battery runtime: N/A minutes
  • Capacity: 0.5 L
  • Weight: 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.

6.9

Overall score

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 components:

80.0%

6.9

Technical Score

20.0%

?

User score

Good
6.9

Technical Score

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 components:

28.0%

8.3

Performance

22.0%

5.4

Battery

18.0%

7.7

Filtration

14.0%

7.0

Attachments

10.0%

6.1

Design

8.0%

5.2

Smart features

Good
?

User score

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 components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 5.2
    Hard floors

    Score components:

    30.0%

    4.0

    Mopping support

    25.0%

    5.8

    Weight

    20.0%

    5.9

    Noise level (Min-Max)

    15.0%

    3.6

    Capacity

    10.0%

    ?

    Power consumption

  • 5.9
    Pet homes

    Score components:

    30.0%

    4.0

    Mini motorized brush

    25.0%

    10

    Anti-tangle brush

    20.0%

    3.6

    Capacity

    15.0%

    5.9

    Noise level (Min-Max)

    10.0%

    5.8

    Weight

  • No image
No image

Best prices in UK

    N/A~ £200

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

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

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 components:

28.0%

?

Performance

22.0%

?

Battery

18.0%

?

Filtration

14.0%

?

Attachments

10.0%

?

Design

8.0%

?

Smart features

6.9
Shark HZ400 has a technical score of 6.9 points, which is lower than 51.1% of vacuum cleaners.
User score

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 components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
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.
1.0
Shark HZ400 has a popularity of 1 points, which is lower than 60.8% of products in this category.
Ratio quality/price

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 components:

60.0%

6.9

Overall score

40.0%

9.5

Price

7.7
Shark HZ400 has a quality-to-price ratio of 7.7 points, which is lower than 62.4% of products in this category.
Suction power (AW)
What it is: A measure of usable suction output in air watts, combining airflow and pressure into one cleaning-power figure.
When it matters: When you want the clearest single number for overall cleaning power on carpets and stubborn debris.

Importance: HIGH

?
Suction power (kPa)
What it is: The maximum suction pressure the vacuum can generate, expressed in kilopascals.
When it matters: When you compare how strongly different vacuums can pull dirt from seams, rugs, and tight surfaces.

Importance: HIGH

?
Airflow
What it is: The volume of air the vacuum moves during operation, which helps indicate how effectively debris can be carried into the dust container.
When it matters: When you want better pickup of lighter debris such as dust, crumbs, and hair across larger floor areas.

Importance: HIGH

?
Motor type
What it is: The motor design used to drive suction, such as brushless or universal construction.
When it matters: When you care about motor durability, efficiency, and how modern the vacuum drive system is.

Importance: LOW

?
Power consumption
What it is: The amount of electrical power the vacuum draws while operating, measured in watts.
When it matters: When you want to limit electricity use or compare efficiency between vacuums with similar cleaning power.

Importance: LOW

?
Show more
Cordless
What it is: Indicates whether the vacuum can run without being connected to a power cable.
When it matters: When you want to move quickly between rooms, stairs, or cars without trailing a power cord.

Importance: MEDIUM

no
Shark HZ400 does not work cordlessly. 49.6% of vacuum cleaners offer cordless operation.
Battery runtime
What it is: The maximum operating time the vacuum can deliver on a full charge in standard use.
When it matters: When you want to finish your normal cleaning routine on one charge.

Importance: HIGH

N/A
Charging time
What it is: The time required to recharge the battery from empty to full.
When it matters: When you need the vacuum ready again quickly after a short cleaning session.

Importance: MEDIUM

N/A
Battery capacity
What it is: The total amount of energy or charge the battery can store before recharging is needed.
When it matters: When you want a rough idea of how much stored energy the battery pack holds.

Importance: MEDIUM

N/A
Battery voltage
What it is: The nominal electrical voltage supplied by the battery pack.
When it matters: When you compare cordless models and want another clue about battery system strength.

Importance: LOW

N/A
Show more
Filter class
What it is: The filtration standard or class used to describe how finely the vacuum filters outgoing air.
When it matters: When you care about capturing finer dust and keeping the exhaust air cleaner.

Importance: MEDIUM

hepa
Shark HZ400 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
What it is: The minimum particle retention efficiency implied by the stated filter grade.
When it matters: When you want a clearer view of how much fine particulate the filter grade can block at minimum.

Importance: MEDIUM

99.5%
Shark HZ400 reaches 99.5% minimum overall efficiency, which is lower than that of 78.8% of vacuum cleaners and equal to that of 8.1% of vacuum cleaners.
Suitable for allergy sufferers
What it is: Indicates whether the filtration setup is strong enough to make the vacuum more appropriate for allergy-sensitive homes.
When it matters: When someone at home reacts badly to dust and you want a safer filtration setup.

Importance: MEDIUM

yes
Shark HZ400 is suitable for allergy sufferers. 82.4% of vacuum cleaners are allergy-friendly.
Capacity
What it is: The amount of dust or debris the container or bag can hold before it needs to be emptied or replaced.
When it matters: When you want to empty the dust container less often during bigger cleaning jobs.

Importance: MEDIUM

0.5 L
Shark HZ400 has a dust capacity of 0.5 L, which is smaller than that of 79.7% of vacuum cleaners and equal to that of 7.5% of vacuum cleaners.
Bagless
What it is: Indicates whether the vacuum collects dirt in a reusable dust container instead of disposable bags.
When it matters: When you prefer not to buy replacement bags and want to empty a reusable bin instead.

Importance: LOW

yes
Shark HZ400 uses a bagless design. 78.6% of vacuum cleaners use this setup.
Show more
Main brush type
What it is: The construction style of the main floor brush that makes primary contact with the surface being cleaned.
When it matters: When you need the floor head design to match your mix of carpets and hard floors.

Importance: LOW

soft roller
Roller type
What it is: The roller material or profile used to move across the floor and lift debris.
When it matters: When you want the contact surface to suit delicate floors, embedded dirt, or hair pickup better.

Importance: LOW

multi-surface
Anti-tangle brush
What it is: A brush design intended to reduce hair wrapping and tangling around the roller.
When it matters: When long hair regularly wraps around the brush and you want less manual cleaning.

Importance: LOW

yes
Shark HZ400 includes an anti-tangle brush. 25.7% of vacuum cleaners include this feature.
Mini motorized brush
What it is: A small powered cleaning head intended for upholstery, stairs, and concentrated dirt or pet hair.
When it matters: When you clean sofas, stairs, or pet beds where a powered small head works better than a standard nozzle.

Importance: LOW

no
Shark HZ400 does not include a mini motorized brush. 26.9% of vacuum cleaners include this attachment.
Suitable for pet owners
What it is: Indicates whether the vacuum is especially suited to homes where pet hair is a regular cleaning concern.
When it matters: When pet hair is one of the main reasons you are buying a vacuum in the first place.

Importance: MEDIUM

yes
Shark HZ400 is suitable for pet owners. 72% of vacuum cleaners handle pet hair well.
Show more
Vacuum type
What it is: Identifies the vacuum's overall form factor, such as stick, canister, upright, handheld, or wet-dry.
When it matters: When storage, maneuverability, and your usual cleaning jobs matter more than raw suction numbers.

Importance: LOW

stick
Weight
What it is: The total mass of the vacuum cleaner, which affects carrying comfort and ease of use.
When it matters: When you carry the vacuum upstairs, around the house, or use it for longer sessions.

Importance: MEDIUM

4.8 kg
Shark HZ400 weighs 4.8 kg, which is greater than the weight of 70.3% of vacuum cleaners and equal to that of 0.2% of vacuum cleaners.
2-in-1 design
What it is: A design that allows the vacuum to be used in two form factors, typically as a stick unit and a handheld unit.
When it matters: When you want one machine to handle both floors and quick handheld jobs.

Importance: LOW

yes
Shark HZ400 offers a 2-in-1 design. 53% of vacuum cleaners offer this flexible format.
Self-standing
What it is: Indicates whether the vacuum can remain upright on its own without being leaned against support.
When it matters: When you want to pause mid-clean without laying the vacuum on the floor or wall.

Importance: LOW

no
Shark HZ400 does not stand on its own. 18.9% of vacuum cleaners offer this convenience.
Adjustable tube height
What it is: Indicates whether the tube length can be adjusted to change reach and handling height.
When it matters: When different users share the vacuum or you want a more comfortable reach.

Importance: LOW

no
Shark HZ400 does not include adjustable tube height. 47.4% of vacuum cleaners offer this ergonomic feature.
Show more
Auto suction adjustment
What it is: A function that changes suction automatically based on floor type or detected dirt load.
When it matters: When you want the vacuum to react by itself as you move between floor types or dirt levels.

Importance: LOW

no
Shark HZ400 does not support automatic suction adjustment. 19.9% of vacuum cleaners support this feature.
Dust particle sensor
What it is: A sensor that monitors fine debris levels to inform or automate cleaning behavior.
When it matters: When you want extra feedback in dusty rooms instead of relying only on what you can see.

Importance: LOW

no
Shark HZ400 does not include a dust particle sensor. 8% of vacuum cleaners include this feature.
LED display
What it is: A built-in illuminated display used to show status information such as battery, mode, or alerts.
When it matters: When you want cleaner status feedback for battery, mode, and warnings at a glance.

Importance: LOW

no
Shark HZ400 does not include an LED display. 25.9% of vacuum cleaners include this interface feature.
Nozzle light
What it is: A light built into the cleaning head to improve visibility in dark areas under furniture or along edges.
When it matters: When you vacuum under beds, sofas, or dark corners where hidden dust is easy to miss.

Importance: LOW

yes
Shark HZ400 includes a nozzle light. 43.4% of vacuum cleaners include this visibility feature.
Mopping support
What it is: Indicates whether the appliance can also wipe or mop surfaces in addition to vacuuming.
When it matters: When you want one appliance to handle both dry vacuuming and light floor wiping.

Importance: LOW

no
Shark HZ400 does not support mopping. 3.7% of vacuum cleaners support this multi-function feature.

Shark HZ400 vs the average vacuum cleaner

  • Includes anti-tangle brush
    Shark HZ400 includes an anti-tangle brush, the average vacuum cleaner does not.
    What it is: A brush design intended to reduce hair wrapping and tangling around the roller.
    When it matters: When long hair regularly wraps around the brush and you want less manual cleaning.

    Importance: LOW

    Shark HZ400 includes an anti-tangle brush, the average vacuum cleaner does not.
  • 3.5 m longer power cord
    Shark HZ400 has a longer power cord than the average vacuum cleaner (10 m vs 6.5 m).
    What it is: The physical length of the mains cable supplied for corded use.
    When it matters: When you clean larger rooms with a corded model and want fewer outlet changes.

    Importance: LOW

    Shark HZ400 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
    Shark HZ400 includes a nozzle light, the average vacuum cleaner does not.
    What it is: A light built into the cleaning head to improve visibility in dark areas under furniture or along edges.
    When it matters: When you vacuum under beds, sofas, or dark corners where hidden dust is easy to miss.

    Importance: LOW

    Shark HZ400 includes a nozzle light, the average vacuum cleaner does not.
  • Newer release date
    Shark HZ400 has a newer release date than the average vacuum cleaner (2025 vs 2021).
    Released in January 2025.
    What it is: The date when the vacuum model was first announced or introduced to the market.
    When it matters: When you want a newer model with more recent battery, motor, or feature updates.

    Importance: LOW

    Shark HZ400 has a newer release date than the average vacuum cleaner (2025 vs 2021).2025 vs 2021
  • 3.5 m longer power cord
    Shark HZ400 has a longer power cord than the average vacuum cleaner (10 m vs 6.5 m).
  • Includes anti-tangle brush
    Shark HZ400 includes an anti-tangle brush, the average vacuum cleaner does not.
  • Newer release date
    Shark HZ400 has a newer release date than the average vacuum cleaner (2025 vs 2021).
  • Includes nozzle light
    Shark HZ400 includes a nozzle light, the average vacuum cleaner does not.

Total
Battery
Attachments
Design
Smart features
  • Louder operation
    Shark HZ400 is noisier than the average vacuum cleaner (80-80 dB vs 77-77 dB).
  • 0.5 L smaller dust bin
    Shark HZ400 has a smaller dust capacity than the average vacuum cleaner (0.5 L vs 1 L).
  • 0.45 % lower filtration
    Shark HZ400 has lower filtration efficiency than the average vacuum cleaner (99.5% vs 99.95%).
  • No upholstery nozzle
    Shark HZ400 does not include an upholstery nozzle, the average vacuum cleaner does.
  • No soft dusting brush
    Shark HZ400 does not include a soft dusting brush, the average vacuum cleaner does.
  • 36.4% higher weight
    Shark HZ400 is heavier than the average vacuum cleaner (4.8 kg vs 3.52 kg).
  • 50 mm taller body
    Shark HZ400 is taller than the average vacuum cleaner (1160 mm vs 1110 mm).
  • 0.5 L smaller dust bin
    Shark HZ400 has a smaller dust capacity than the average vacuum cleaner (0.5 L vs 1 L).
    What it is: The amount of dust or debris the container or bag can hold before it needs to be emptied or replaced.
    When it matters: When you want to empty the dust container less often during bigger cleaning jobs.

    Importance: MEDIUM

    Shark HZ400 has a smaller dust capacity than the average vacuum cleaner (0.5 L vs 1 L).0.5 L vs 1 L
  • Louder operation
    Shark HZ400 is noisier than the average vacuum cleaner (80-80 dB vs 77-77 dB).
    What it is: The operating sound range of the vacuum across its available modes, measured in decibels.
    When it matters: When you clean in apartments, around children, or at night and want a quieter machine.

    Importance: HIGH

    Shark HZ400 is noisier than the average vacuum cleaner (80-80 dB vs 77-77 dB).80-80 dB vs 77-77 dB
  • 0.45 % lower filtration
    Shark HZ400 has lower filtration efficiency than the average vacuum cleaner (99.5% vs 99.95%).
    What it is: The minimum particle retention efficiency implied by the stated filter grade.
    When it matters: When you want a clearer view of how much fine particulate the filter grade can block at minimum.

    Importance: MEDIUM

    Shark HZ400 has lower filtration efficiency than the average vacuum cleaner (99.5% vs 99.95%).99.5 % vs 99.95 %
  • No upholstery nozzle
    Shark HZ400 does not include an upholstery nozzle, the average vacuum cleaner does.
    What it is: A nozzle attachment shaped for cleaning fabric surfaces such as sofas, chairs, or mattresses.
    When it matters: When fabric chairs, sofas, or mattresses need regular cleaning instead of just floors.

    Importance: LOW

    Shark HZ400 does not include an upholstery nozzle, the average vacuum cleaner does.
  • No soft dusting brush
    Shark HZ400 does not include a soft dusting brush, the average vacuum cleaner does.
    What it is: A gentle brush attachment designed for dusting delicate surfaces without scratching them.
    When it matters: When you dust shelves, vents, or delicate surfaces that should not be scratched by a harder tool.

    Importance: LOW

    Shark HZ400 does not include a soft dusting brush, the average vacuum cleaner does.
  • 36.4% higher weight
    Shark HZ400 is heavier than the average vacuum cleaner (4.8 kg vs 3.52 kg).
    What it is: The total mass of the vacuum cleaner, which affects carrying comfort and ease of use.
    When it matters: When you carry the vacuum upstairs, around the house, or use it for longer sessions.

    Importance: MEDIUM

    Shark HZ400 is heavier than the average vacuum cleaner (4.8 kg vs 3.52 kg).4.8 kg vs 3.52 kg
  • 50 mm taller body
    Shark HZ400 is taller than the average vacuum cleaner (1160 mm vs 1110 mm).
    What it is: The vertical size of the vacuum when measured in its assembled or standing form.
    When it matters: When upright storage height or fit inside cupboards matters in your home.

    Importance: LOW

    Shark HZ400 is taller than the average vacuum cleaner (1160 mm vs 1110 mm).1160 mm vs 1110 mm
  • 33.3% more expensive
    Shark HZ400 is more expensive than the average vacuum cleaner (£200 vs £150).
    Shark HZ400 is more expensive than the average vacuum cleaner (£200 vs £150).£200 vs £150
Total
Overall
Performance
Filtration
Attachments
Design

Graphic comparison of Shark HZ400 and other vacuum cleaners

Attribute category
Attribute
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

T
trustedreviews.com
18/12/2019
Summary of the review
Shark Anti Hair Wrap Corded Stick Vacuum Cleaner HZ400UKT Review
R
reviewspot.co.uk
11/09/2019
Summary of the review
My Review Of Shark Anti Hair Wrap Corded Stick Vacuum Cleaner HZ400UKT
T
trustedreviews.com
18/12/2019
Summary of the review
Shark Anti Hair Wrap Corded Stick Vacuum Cleaner HZ400UKT Review
(Translated)Show original

Video reviews

Best alternatives

d3010-16-vacuum-cleaners
AONUS A9

Vacuum Cleaners

8.5
d3010-166-vacuum-cleaners
Laresar Elite 4

Vacuum Cleaners

8.5
d3010-642-vacuum-cleaners
Dreame Z20

Vacuum Cleaners

8.6
d3010-272-vacuum-cleaners
Vax Pace Pet

Vacuum Cleaners

7.9
d3010-704-vacuum-cleaners
Vax HomePro Detect Pet-Design Cordless Vacuum Cleaner

Vacuum Cleaners

7.6
d3010-710-vacuum-cleaners
Bissell CleanView XR Pet 300W Stick Vacuum 3797V

Vacuum Cleaners

7.6
d3010-198-vacuum-cleaners
Proscenic WashVac F20

Vacuum Cleaners

7.9
d3010-477-vacuum-cleaners
Rowenta X-Force Flex 13.60 RH9A36WV

Vacuum Cleaners

8.2
d3010-807-vacuum-cleaners
Shark BU3521UKTSB

Vacuum Cleaners

7.8
d3010-282-vacuum-cleaners
Xiaomi Mi G10

Vacuum Cleaners

7.8
d3010-226-vacuum-cleaners
Shark HZ500UKT

Vacuum Cleaners

7.5
d3010-164-vacuum-cleaners
Laresar Elite 2

Vacuum Cleaners

7.8

Compare Shark HZ400 with other vacuum cleaners

VS
VS

Compare