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Fujitsu ASY35UIKP Review | 46 Data compared

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  • Avg. price: ~£480
  • Cooling capacity: 3.4 kW
  • Seasonal cooling efficiency (SEER): 6.3
  • Maximum indoor-unit sound power level: 59 dB

Fujitsu ASY35UIKP review. Compare 46 technical specifications and user reviews to see how this product ranks in the Air Conditioners category and whether it is worth buying.

6.9

Overall score

What it is: An overall evaluation of products in the Air Conditioners 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 Conditioners category.

Score components:

80.0%

6.8

Technical Score

20.0%

7.7

User score

Good
6.8

Technical Score

What it is: An assessment of technical performance for products in the Air Conditioners category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Air Conditioners category by technical performance, specifications, and available features.

Score components:

40.0%

4.4

Performance

40.0%

8.3

Features

20.0%

8.5

Design

Good
7.7

User score

What it is: A rating that combines user reviews with the total review volume for products in the Air Conditioners category.

When it matters: When you want to know how products in the Air Conditioners category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

10

User reviews

30.0%

2.2

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: August 2026)

Very good
  • 9.1
    Compactness

    Score components:

    30.0%

    9.3

    Indoor unit width

    30.0%

    7.7

    Indoor unit depth

    20.0%

    9.9

    Indoor unit height

    20.0%

    9.9

    Indoor unit weight

  • 8.3
    Bedroom comfort

    Score components:

    40.0%

    ?

    Night mode

    25.0%

    ?

    Timer

    20.0%

    ?

    Maximum timer duration

    15.0%

    10

    Automatic mode

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Best prices in UK

Best rankings

?

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

Verdict

The Fujitsu ASY35UIKP is a wall-mounted wall split air conditioner equipped with All DC Inverter technology and eco-friendly R32 refrigerant, delivering a cooling capacity of 3.4 kW (2,923 frigories/h) and a heating capacity of 3.8 kW (3,267 kcal/h). Main characteristics include an A++ energy efficiency rating for cooling (SEER 6.3) and A+ for heating (SCOP 4.1), with low power consumptions of 0.92 kW and 0.96 kW respectively. Its chief pros are its highly compact design featuring a high-density Lambda heat exchanger, a powerful airflow mode that maximizes performance for 20 minutes to rapidly condition a room, and a remarkably quiet operation that drops to just 22 dB(A) in its super quiet mode. However, notable cons include the lack of built-in Wi-Fi connectivity as a standard feature, requiring the purchase of an optional smartphone wireless LAN interface, and fewer advanced air purification options compared to higher-tier models.

Technical Specifications of air conditioner Fujitsu ASY35UIKP

Technical Score

What it is: An assessment of technical performance for products in the Air Conditioners category across these key areas: Performance, Features, Design.

When it matters: When you want to compare products in the Air Conditioners category by technical performance, specifications, and available features.

Score components:

40.0%

4.4

Performance

40.0%

8.3

Features

20.0%

8.5

Design

6.8
Fujitsu ASY35UIKP has a technical score of 6.76 points, which is lower than 86% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Air Conditioners category.

When it matters: When you want to know how products in the Air Conditioners category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

10

User reviews

30.0%

2.2

Popularity

User score:
United Kingdom
amazon
5.0
(1)

(Reviews last updated: August 2026)

7.7
Fujitsu ASY35UIKP has a user score of 7.67 points, which is lower than 89.9% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Air Conditioners category.
When it matters: When you prefer products in the Air Conditioners category that have been chosen and reviewed by many other buyers.
2.2
Fujitsu ASY35UIKP has a popularity of 2.2 points, which is higher than 57.9% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Air Conditioners category with their prices.

When it matters: When you are comparing products in the Air Conditioners category and want a good balance between quality and price.

Score components:

60.0%

6.9

Overall score

40.0%

6.2

Price

6.7
Fujitsu ASY35UIKP has a quality-to-price ratio of 6.7 points, which is lower than 61.8% of products in this category.
Split configuration
What it is: Split configuration states how many indoor units are paired with the air-conditioning system, such as mono, dual, triple, quad, or penta split.
When it matters: It matters when you are planning climate control for one room or several rooms from a shared outdoor unit.

Importance: LOW

mono split
Cooling capacity
What it is: Cooling capacity is the rate at which the air conditioner can remove heat from a room, expressed in kilowatts.
When it matters: Adequate capacity is essential for cooling the intended room size without excessive run time or poor temperature control.

Importance: HIGH

Good value: At least 3.5 kW

3.4 kW
Fujitsu ASY35UIKP delivers a cooling capacity of 3.4 kW, which is lower than that of 54.7% of air conditioners and the same as that of 10% of air conditioners.
Indoor-unit capacity configuration
What it is: Indoor-unit capacity configuration shows how the system’s BTU/h capacity is distributed across its indoor units.
When it matters: It matters when sizing a multi-split system for rooms with different cooling loads.

Importance: LOW

12,000 BTU/h
Seasonal cooling efficiency (SEER)
What it is: SEER expresses the air conditioner’s average cooling efficiency over a typical season.
When it matters: A higher SEER generally means less electricity is needed to deliver the same seasonal cooling.

Importance: HIGH

Good value: At least 6.1

6.3
Fujitsu ASY35UIKP has a SEER rating of 6.3, which is higher than that of 44.9% of air conditioners and the same as that of 11.5% of air conditioners.
Seasonal heating efficiency (SCOP)
What it is: SCOP expresses the air conditioner’s average heating efficiency over a typical season.
When it matters: A higher SCOP generally means less electricity is needed to provide the same seasonal heating.

Importance: HIGH

Good value: At least 4.0

4.1
Fujitsu ASY35UIKP has a SCOP rating of 4.1, which is higher than that of 57.6% of air conditioners and the same as that of 10.1% of air conditioners.
Show more
Inverter compressor
What it is: An inverter compressor can vary its operating speed instead of relying only on full-power on and off cycles.
When it matters: Variable compressor output can improve temperature stability, efficiency, and part-load noise.

Importance: HIGH

Good value: yes

yes
Does Fujitsu ASY35UIKP use an inverter compressor? yes. 12.4% of air conditioners do, while 87.6% do not.
Heating function
What it is: A heating function reverses or supplements normal operation to warm the room.
When it matters: Heating extends seasonal usefulness and can replace a separate spot heater in mild weather.

Importance: MEDIUM

Good value: yes

yes
Can Fujitsu ASY35UIKP heat the room? yes. 7.3% of air conditioners can, while 92.7% cannot.
Active air purification
What it is: Active air purification uses a dedicated treatment function beyond ordinary passive filtration to improve indoor air quality.
When it matters: It is useful when reducing fine particles, allergens, odors, or other airborne contaminants is a priority.

Importance: LOW

Good value: yes

no
Does Fujitsu ASY35UIKP actively purify the air? no. 27% of air conditioners do not, while 73.1% do.
Dehumidification mode
What it is: Dehumidification mode removes moisture from room air with reduced emphasis on cooling.
When it matters: This mode improves comfort in humid weather and can help control indoor dampness.

Importance: MEDIUM

Good value: yes

yes
Does Fujitsu ASY35UIKP include dehumidification mode? yes. 6.8% of air conditioners do, while 93.2% do not.
Fan-only mode
What it is: Fan-only mode circulates room air without running the refrigeration cycle.
When it matters: This mode provides lower-power airflow when cooling is unnecessary.

Importance: MEDIUM

Good value: yes

yes
Does Fujitsu ASY35UIKP offer fan-only mode? yes. 6.2% of air conditioners do, while 93.8% do not.
Show more
Color
What it is: Color identifies the main exterior finish of the indoor unit.
When it matters: Color matters when the indoor unit remains visible and should suit the room decor.

Importance: LOW

white
Body material
What it is: Body material identifies the primary exterior housing material of the indoor unit.
When it matters: Housing material affects appearance, rigidity, cleaning, and resistance to everyday wear.

Importance: LOW

plastic
Display
What it is: A display shows temperature, operating mode, timer, or status information on the indoor unit.
When it matters: A built-in display makes current settings easier to check without opening an app or using the remote.

Importance: LOW

Good value: yes

no
Fujitsu ASY35UIKP has no display (no); 82.6% of air conditioners do, while 17.4% do not.
Display position
What it is: Display position identifies where the integrated display sits on the indoor or main unit.
When it matters: A well-placed display is easier to read from the usual viewing angle without obstructing the room layout.

Importance: LOW

none
Physical control methods
What it is: Physical control methods identify the supplied remote and user-facing controls on the unit.
When it matters: Physical controls matter when you want to operate the air conditioner without relying on Wi-Fi, an app, or voice control.

Importance: MEDIUM

Good value: remote control and onboard controls

remote control
Fujitsu ASY35UIKP provides remote control physical controls, ahead of 1.1% of air conditioners and equal to 81.5%.
Show more

Fujitsu ASY35UIKP vs the average air conditioner

  • 1 more fan speeds
    Fujitsu ASY35UIKP provides more fan speed options than the average air conditioner (4 vs 3).
    What it is: The number of selectable fan speeds determines how finely airflow and noise can be adjusted.
    When it matters: More speed settings make it easier to balance cooling intensity, sound, and comfort.

    Importance: MEDIUM

    Good value: At least 3 speeds

    Fujitsu ASY35UIKP provides more fan speed options than the average air conditioner (4 vs 3).4 vs 3
  • 8% lighter indoor unit
    Fujitsu ASY35UIKP has a lighter indoor unit than the average air conditioner (8 kg vs 8.7 kg).
    What it is: Indoor unit weight is the net mass of the wall-mounted indoor component.
    When it matters: A lighter indoor unit is easier to lift and places less load on the mounting surface during installation.

    Importance: HIGH

    Good value: Up to 10 kg

    Fujitsu ASY35UIKP has a lighter indoor unit than the average air conditioner (8 kg vs 8.7 kg).8 kg vs 8.7 kg
  • 0.1 points higher seasonal heating efficiency
    Fujitsu ASY35UIKP achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.1 vs 4).
    What it is: SCOP expresses the air conditioner’s average heating efficiency over a typical season.
    When it matters: A higher SCOP generally means less electricity is needed to provide the same seasonal heating.

    Importance: HIGH

    Good value: At least 4.0

    Fujitsu ASY35UIKP achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.1 vs 4).4.1 vs 4
  • 2 cm lower indoor unit
    Fujitsu ASY35UIKP has a lower indoor-unit height than the average air conditioner (27 cm vs 29 cm).
    What it is: Indoor unit height is the vertical dimension of the wall-mounted indoor unit.
    When it matters: A shorter indoor unit needs less vertical wall space and fits above doors or windows more easily.

    Importance: MEDIUM

    Good value: Up to 30 cm

    Fujitsu ASY35UIKP has a lower indoor-unit height than the average air conditioner (27 cm vs 29 cm).27 cm vs 29 cm
  • 2.1 cm narrower indoor unit
    Fujitsu ASY35UIKP has a narrower indoor unit than the average air conditioner (78.4 cm vs 80.5 cm).
    What it is: Indoor unit width is the horizontal side-to-side dimension of the wall-mounted unit.
    When it matters: A narrower indoor unit fits more easily on limited wall sections and between furniture or openings.

    Importance: MEDIUM

    Good value: Up to 80 cm

    Fujitsu ASY35UIKP has a narrower indoor unit than the average air conditioner (78.4 cm vs 80.5 cm).78.4 cm vs 80.5 cm
  • 35 m³/h higher indoor-unit airflow
    Fujitsu ASY35UIKP delivers a higher indoor airflow rate than the average air conditioner (630 m³/h vs 595 m³/h).
    What it is: Maximum indoor-unit airflow is the greatest volume of air the indoor unit can circulate in one hour.
    When it matters: Higher airflow can distribute cooled or heated air more quickly, especially in larger rooms.

    Importance: HIGH

    Good value: At least 600 m³/h

    Fujitsu ASY35UIKP delivers a higher indoor airflow rate than the average air conditioner (630 m³/h vs 595 m³/h).630 m³/h vs 595 m³/h
  • 2.25x more popular
    Fujitsu ASY35UIKP is more popular than the average air conditioner (2.25 vs 1).
    What it is: An indicator based on the number of reviews received by products in the Air Conditioners category.
    When it matters: When you prefer products in the Air Conditioners category that have been chosen and reviewed by many other buyers.
    Fujitsu ASY35UIKP is more popular than the average air conditioner (2.25 vs 1).2.25 vs 1
  • 4.2% cheaper
    Fujitsu ASY35UIKP is cheaper than the average air conditioner (£480 vs £500).
    Fujitsu ASY35UIKP is cheaper than the average air conditioner (£480 vs £500).£480 vs £500
  • 0.1 points higher seasonal heating efficiency
    Fujitsu ASY35UIKP achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.1 vs 4).
  • 35 m³/h higher indoor-unit airflow
    Fujitsu ASY35UIKP delivers a higher indoor airflow rate than the average air conditioner (630 m³/h vs 595 m³/h).
  • 1 more fan speeds
    Fujitsu ASY35UIKP provides more fan speed options than the average air conditioner (4 vs 3).
  • 8% lighter indoor unit
    Fujitsu ASY35UIKP has a lighter indoor unit than the average air conditioner (8 kg vs 8.7 kg).
  • 2 cm lower indoor unit
    Fujitsu ASY35UIKP has a lower indoor-unit height than the average air conditioner (27 cm vs 29 cm).
  • 2.1 cm narrower indoor unit
    Fujitsu ASY35UIKP has a narrower indoor unit than the average air conditioner (78.4 cm vs 80.5 cm).

Total
Overall
Performance
Features
Design
  • 3 dB higher indoor sound power
    Fujitsu ASY35UIKP operates with a louder indoor unit than the average air conditioner (59 dB vs 56 dB).
  • 0.1 kW lower cooling capacity
    Fujitsu ASY35UIKP delivers a lower cooling capacity than the average air conditioner (3.4 kW vs 3.5 kW).
  • 5 m² smaller room coverage
    Fujitsu ASY35UIKP covers a smaller room area than the average air conditioner (30 m² vs 35 m²).
  • Does not support comfort airflow mode
    Fujitsu ASY35UIKP does not support comfort airflow mode, while the average air conditioner supports comfort airflow mode.
  • Does not support automatic self-cleaning
    Fujitsu ASY35UIKP does not support automatic self-cleaning, while the average air conditioner supports automatic self-cleaning.
  • Does not support Wi-Fi connectivity
    Fujitsu ASY35UIKP does not support Wi-Fi connectivity, while the average air conditioner supports Wi-Fi connectivity.
  • Does not support voice control
    Fujitsu ASY35UIKP does not support voice control, while the average air conditioner supports voice control.
  • No display
    Fujitsu ASY35UIKP has no display (no), while the average air conditioner does (yes).
  • 1.9 cm deeper indoor unit
    Fujitsu ASY35UIKP has a deeper indoor unit than the average air conditioner (22.4 cm vs 20.5 cm).
  • Does not support comfort airflow mode
    Fujitsu ASY35UIKP does not support comfort airflow mode, while the average air conditioner supports comfort airflow mode.
    What it is: Indicates whether the air conditioner provides a comfort airflow mode that avoids blowing directly on people.
    When it matters: When you want comfortable cooling without a direct draft on people in the room.

    Importance: MEDIUM

    Good value: yes

    Fujitsu ASY35UIKP does not support comfort airflow mode, while the average air conditioner supports comfort airflow mode.
  • Does not support automatic self-cleaning
    Fujitsu ASY35UIKP does not support automatic self-cleaning, while the average air conditioner supports automatic self-cleaning.
    What it is: Indicates whether the air conditioner can run an automatic internal cleaning or drying cycle.
    When it matters: When you want easier maintenance and less residual moisture or dirt inside the heat exchanger.

    Importance: MEDIUM

    Good value: yes

    Fujitsu ASY35UIKP does not support automatic self-cleaning, while the average air conditioner supports automatic self-cleaning.
  • Does not support Wi-Fi connectivity
    Fujitsu ASY35UIKP does not support Wi-Fi connectivity, while the average air conditioner supports Wi-Fi connectivity.
    What it is: Indicates whether the air conditioner can connect to Wi-Fi for remote or smart control.
    When it matters: When you want to change settings remotely, set schedules, or integrate the unit with a smart home.

    Importance: MEDIUM

    Good value: yes

    Fujitsu ASY35UIKP does not support Wi-Fi connectivity, while the average air conditioner supports Wi-Fi connectivity.
  • Does not support voice control
    Fujitsu ASY35UIKP does not support voice control, while the average air conditioner supports voice control.
    What it is: Indicates whether the air conditioner can be operated through supported voice assistants.
    When it matters: When hands-free temperature changes and smart-home voice routines are useful.

    Importance: LOW

    Good value: yes

    Fujitsu ASY35UIKP does not support voice control, while the average air conditioner supports voice control.
  • No display
    Fujitsu ASY35UIKP has no display (no), while the average air conditioner does (yes).
    What it is: A display shows temperature, operating mode, timer, or status information on the indoor unit.
    When it matters: A built-in display makes current settings easier to check without opening an app or using the remote.

    Importance: LOW

    Good value: yes

    Fujitsu ASY35UIKP has no display (no), while the average air conditioner does (yes).
  • 3 dB higher indoor sound power
    Fujitsu ASY35UIKP operates with a louder indoor unit than the average air conditioner (59 dB vs 56 dB).
    What it is: Maximum indoor-unit sound power level measures the greatest acoustic power emitted by the indoor unit.
    When it matters: A lower value supports a quieter room, which is especially useful in bedrooms and workspaces.

    Importance: HIGH

    Good value: Up to 55 dB

    Fujitsu ASY35UIKP operates with a louder indoor unit than the average air conditioner (59 dB vs 56 dB).59 dB vs 56 dB
  • 1.9 cm deeper indoor unit
    Fujitsu ASY35UIKP has a deeper indoor unit than the average air conditioner (22.4 cm vs 20.5 cm).
    What it is: Indoor unit depth is the front-to-back distance of the wall-mounted unit.
    When it matters: A shallower indoor unit protrudes less into the room and looks less bulky on the wall.

    Importance: MEDIUM

    Good value: Up to 22 cm

    Fujitsu ASY35UIKP has a deeper indoor unit than the average air conditioner (22.4 cm vs 20.5 cm).22.4 cm vs 20.5 cm
  • 0.1 kW lower cooling capacity
    Fujitsu ASY35UIKP delivers a lower cooling capacity than the average air conditioner (3.4 kW vs 3.5 kW).
    What it is: Cooling capacity is the rate at which the air conditioner can remove heat from a room, expressed in kilowatts.
    When it matters: Adequate capacity is essential for cooling the intended room size without excessive run time or poor temperature control.

    Importance: HIGH

    Good value: At least 3.5 kW

    Fujitsu ASY35UIKP delivers a lower cooling capacity than the average air conditioner (3.4 kW vs 3.5 kW).3.4 kW vs 3.5 kW
Total
Overall
Performance
Features
Design

Graphic comparison of Fujitsu ASY35UIKP and other products in the Air Conditioners category

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Third-party reviews

United Kingdom
amazon
5.0
1 Reviews

(Reviews last updated: August 2026)

What customers like about Fujitsu ASY35UIKP?

  • Excellent value for money as a budget-friendly option
  • Highly silent operation especially in Night and Quiet modes
  • Fast cooling and heating capacities using the Powerful mode
  • Good energy savings with A++ cooling efficiency and R32 refrigerant
  • Compact and slim indoor unit design that blends easily into rooms
  • Easy-to-clean air filters that can be washed simply with water

What customers dislike about Fujitsu ASY35UIKP?

  • Wi-Fi connectivity is not built-in and requires buying an optional USB interface
  • Can struggle to adequately condition open-plan layouts or very large rooms
  • Lacks premium air purification features like advanced ionizers found on high-end models
  • Professional installation is mandatory and adds to the overall baseline cost

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