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Avalla S-150 Review | 44 Data compared

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  • Avg. price in UK: ~£260
  • Avg. price in US: ~$320
  • Cooling capacity: 8,000 BTU/h
  • Maximum room size: 32 m²
  • Maximum noise level: 65 dB
  • Heating function: no
  • Cooling Energy Efficiency Class: A

Avalla S-150 review. Compare 44 technical specifications and user reviews to see how this product ranks in the Portable Air Conditioners category and whether it is worth buying.

6.3

Overall score

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

Score components:

80.0%

5.8

Technical Score

20.0%

8.5

User score

Good
5.8

Technical Score

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

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

Score components:

55.0%

4.5

Performance

30.0%

6.2

Features

15.0%

10

Design

Good
8.5

User score

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

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

Score components:

70.0%

8.6

User reviews

30.0%

8.2

Popularity

User score:
United Kingdom
amazon
4.3
(239)
United States
Amazon_logo.png
4.3
(234)

(Reviews last updated: August 2026)

Excellent
  • 6.9
    Bedroom use

    Score components:

    35.0%

    1.0

    Maximum noise level

    25.0%

    10

    Night mode

    20.0%

    10

    Timer

    20.0%

    10

    Remote control

  • 3.6
    Large rooms

    Score components:

    40.0%

    2.8

    Cooling capacity

    30.0%

    5.9

    Maximum room size

    20.0%

    1.6

    Airflow (high speed)

    10.0%

    4.0

    Airflow direction control

  • 4.9
    Year-round use

    Score components:

    40.0%

    4.0

    Heating function

    30.0%

    2.4

    Dehumidification capacity

    20.0%

    8.0

    Cooling energy efficiency class

    10.0%

    10

    Automatic fan speed

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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 Avalla S-150 is a 4-in-1 portable air conditioner and dehumidifier designed for multi-room climate control, featuring an 8,000 BTU cooling capacity, a 2,345W maximum cooling capacity (891W power consumption), and an airflow rate of 290m³/h to effectively cool spaces up to 80m³ down to 16°C. Operating with eco-friendly R-290 refrigerant, this Class A energy-rated unit includes a built-in 22L/day dehumidifier, a 24-hour timer, sleep mode, child lock, a washable filter, a remote control, and an integrated self-evaporating system that minimizes the need to manually drain water during AC operation. Key advantages include rapid cooling, high-capacity moisture removal for winter dampness or clothes drying, and a relatively quiet operation minimum of 52dB. However, notable drawbacks include its heavy 20.25kg industrial build, a standard window kit that is primarily designed for sash-style windows, and potential noise spikes reaching up to 65dB on its high-speed fan settings.

Technical Specifications of portable air conditioner Avalla S-150

Technical Score

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

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

Score components:

55.0%

4.5

Performance

30.0%

6.2

Features

15.0%

10

Design

5.8
Avalla S-150 has a technical score of 5.81 points, which is lower than 80% 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 Portable Air Conditioners category.

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

Score components:

70.0%

8.6

User reviews

30.0%

8.2

Popularity

User score:
United Kingdom
amazon
4.3
(239)
United States
Amazon_logo.png
4.3
(234)

(Reviews last updated: August 2026)

8.5
Avalla S-150 has a user score of 8.48 points, which is higher than 86.3% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Portable Air Conditioners category.
When it matters: When you prefer products in the Portable Air Conditioners category that have been chosen and reviewed by many other buyers.
8.2
Avalla S-150 has a popularity of 8.2 points, which is higher than 75.3% of products in this category.
Ratio quality/price

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

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

Score components:

60.0%

6.3

Overall score

40.0%

8.4

Price

7.0
Avalla S-150 has a quality-to-price ratio of 7 points, which is lower than 56.3% of products in this category.
Cooling capacity
What it is: Cooling capacity is the amount of heat the air conditioner can remove per hour, measured in BTU/h.
When it matters: Higher capacity cools larger or warmer rooms more effectively, provided the unit is sized correctly.

Importance: HIGH

Good value: At least 12,000 BTU/h

8,000 BTU/h
Avalla S-150 delivers 8000 BTU/h cooling capacity, which is lower than that of 76.1% of portable air conditioners and equal to that of 5.3% of portable air conditioners.
Rated input power
What it is: Rated input power is the electrical power the unit draws at its specified operating point, measured in watts.
When it matters: Lower rated input power reduces electrical demand, though cooling efficiency also depends on delivered capacity.

Importance: HIGH

Good value: Up to 1,200 W

?
Cooling Energy Efficiency Class
What it is: Cooling energy efficiency class summarizes the efficiency of the unit while cooling, from higher to lower letter grades.
When it matters: A higher cooling efficiency class indicates more cooling output for the electricity consumed.

Importance: HIGH

Good value: A or better

A
Avalla S-150 has cooling energy efficiency class A, which ranks lower than 10.7% of portable air conditioners and equal to 89.4% of portable air conditioners.
Heating energy efficiency class
What it is: Heating energy efficiency class summarizes energy efficiency when the unit operates in heating mode.
When it matters: A higher heating efficiency class matters when the portable air conditioner will also provide regular space heating.

Importance: LOW

Good value: A or better

?
Number of speeds
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

2
Avalla S-150 offers 2 fan speeds, which is fewer than 63.7% of portable air conditioners and equal to 36.3% of portable air conditioners.
Show more
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
Avalla S-150 includes a fan-only mode. 99.5% of portable air conditioners support this mode.
Airflow direction control
What it is: Airflow direction control describes whether outlet air can be aimed automatically, manually, or not at all.
When it matters: Better directional control spreads conditioned air more evenly without repositioning the unit.

Importance: MEDIUM

Good value: automatic

none
Avalla S-150 provides none airflow direction control, which ranks lower than 73.1% of portable air conditioners and equal to 26.9% of portable air conditioners.
Night mode
What it is: Night mode adjusts operation for sleeping hours, typically reducing sound, light, or abrupt temperature changes.
When it matters: Night mode is useful when the unit runs in a bedroom or other light- and noise-sensitive space.

Importance: MEDIUM

Good value: yes

yes
Avalla S-150 includes a dedicated night mode. 74.3% of portable air conditioners offer night mode.
Timer
What it is: A timer lets the unit start, stop, or change operation after a scheduled interval.
When it matters: Timer control helps cool a room before use and avoids running the unit longer than necessary.

Importance: MEDIUM

Good value: yes

yes
Avalla S-150 includes a built-in timer. 99.5% of portable air conditioners feature a timer.
Maximum timer duration
What it is: Maximum timer duration is the longest interval that can be scheduled before automatic operation changes.
When it matters: A longer timer window offers more flexibility for overnight use and advance scheduling.

Importance: MEDIUM

Good value: At least 24 hours

24 hours
Avalla S-150 supports a timer of up to 24 hours, which is longer than that of 7.4% of portable air conditioners and equal to that of 92.6% of portable air conditioners.
Show more
Color
What it is: Color describes the main exterior finish of the portable air conditioner.
When it matters: Finish color matters when the unit will remain visible and should suit the room decor.

Importance: LOW

white
Display
What it is: A display shows settings such as target temperature, operating mode, or timer status on the unit.
When it matters: A display makes current settings easier to check without opening an app or using the remote.

Importance: LOW

Good value: yes

yes
Avalla S-150 includes an integrated display. 99.5% of portable air conditioners feature a display.
Control type
What it is: Control type identifies whether settings are entered through touch controls, physical buttons, or both.
When it matters: The interface style affects tactile feedback, cleaning, accessibility, and ease of use.

Importance: LOW

touch
Remote control
What it is: A remote control operates core functions from across the room without touching the unit.
When it matters: Remote access is convenient when the air conditioner is beside a window, across the room, or used from bed.

Importance: LOW

Good value: yes

yes
Avalla S-150 comes with a remote control. 99% of portable air conditioners include a remote.
Handles
What it is: Integrated handles provide secure grip points for moving or repositioning the unit.
When it matters: Handles reduce awkward lifting when the air conditioner is moved between rooms or stored.

Importance: LOW

Good value: yes

yes
Avalla S-150 includes built-in handles for easier carrying. 99.5% of portable air conditioners feature handles.
Show more

Avalla S-150 vs the average portable air conditioner

  • 0.1 m longer exhaust hose
    Avalla S-150 has a longer exhaust hose than the average portable air conditioner (1.6 m vs 1.5 m).
    What it is: Exhaust hose length is the maximum usable distance between the unit and its window vent connection.
    When it matters: A longer hose provides more placement flexibility when the window is not directly beside the unit.

    Importance: LOW

    Good value: At least 1.5 m

    Avalla S-150 has a longer exhaust hose than the average portable air conditioner (1.6 m vs 1.5 m).1.6 m vs 1.5 m
  • 20.6% lower weight
    Avalla S-150 is lighter than the average portable air conditioner (20.3 kg vs 25.5 kg).
    What it is: Weight is the mass of the portable air conditioner before installation accessories are attached.
    When it matters: A lighter unit is easier to carry, reposition, and move between floors.

    Importance: MEDIUM

    Good value: Up to 25 kg

    Avalla S-150 is lighter than the average portable air conditioner (20.3 kg vs 25.5 kg).20.25 kg vs 25.5 kg
  • 8 cm narrower cabinet
    Avalla S-150 is narrower than the average portable air conditioner (30 cm vs 38 cm).
    What it is: Width is the side-to-side cabinet dimension of the portable air conditioner.
    When it matters: A narrower unit occupies less wall and floor space beside a window.

    Importance: LOW

    Good value: Up to 35 cm

    Avalla S-150 is narrower than the average portable air conditioner (30 cm vs 38 cm).30 cm vs 38 cm
  • 5.8 cm shallower cabinet
    Avalla S-150 is shallower than the average portable air conditioner (29.7 cm vs 35.5 cm).
    What it is: Depth is the front-to-back cabinet dimension of the portable air conditioner.
    When it matters: A shallower unit protrudes less into the room and leaves more usable floor space.

    Importance: LOW

    Good value: Up to 35 cm

    Avalla S-150 is shallower than the average portable air conditioner (29.7 cm vs 35.5 cm).29.7 cm vs 35.5 cm
  • 2 m² larger room coverage
    Avalla S-150 covers a larger room area than the average portable air conditioner (32 m² vs 30 m²).
    What it is: Maximum room size is the largest floor area the manufacturer recommends the unit should cool.
    When it matters: A larger rated area is important when cooling open-plan spaces or larger rooms.

    Importance: HIGH

    Good value: At least 30 m²

    Avalla S-150 covers a larger room area than the average portable air conditioner (32 m² vs 30 m²).32 m² vs 30 m²
  • 1 cm shorter cabinet
    Avalla S-150 is shorter than the average portable air conditioner (70 cm vs 71 cm).
    What it is: Height is the vertical dimension of the portable air conditioner.
    When it matters: A shorter cabinet fits more easily below windows, shelves, and other height restrictions.

    Importance: LOW

    Good value: Up to 70 cm

    Avalla S-150 is shorter than the average portable air conditioner (70 cm vs 71 cm).70 cm vs 71 cm
  • 6% higher user score
    Avalla S-150 has a higher user score than the average portable air conditioner (8.48 vs 8).
    What it is: A rating that combines user reviews with the total review volume for products in the Portable Air Conditioners category.
    When it matters: When you want to know how products in the Portable Air Conditioners category perform in everyday use and how reliable owners find them over time.
    Avalla S-150 has a higher user score than the average portable air conditioner (8.48 vs 8).8.48 vs 8
  • 36.6% more popular
    Avalla S-150 is more popular than the average portable air conditioner (8.21 vs 6.005).
    What it is: An indicator based on the number of reviews received by products in the Portable Air Conditioners category.
    When it matters: When you prefer products in the Portable Air Conditioners category that have been chosen and reviewed by many other buyers.
    Avalla S-150 is more popular than the average portable air conditioner (8.21 vs 6.005).8.21 vs 6.01
  • 2 m² larger room coverage
    Avalla S-150 covers a larger room area than the average portable air conditioner (32 m² vs 30 m²).
  • 0.1 m longer exhaust hose
    Avalla S-150 has a longer exhaust hose than the average portable air conditioner (1.6 m vs 1.5 m).
  • 20.6% lower weight
    Avalla S-150 is lighter than the average portable air conditioner (20.3 kg vs 25.5 kg).
  • 8 cm narrower cabinet
    Avalla S-150 is narrower than the average portable air conditioner (30 cm vs 38 cm).
  • 5.8 cm shallower cabinet
    Avalla S-150 is shallower than the average portable air conditioner (29.7 cm vs 35.5 cm).
  • 1 cm shorter cabinet
    Avalla S-150 is shorter than the average portable air conditioner (70 cm vs 71 cm).

Total
Overall
Performance
Design
  • 1 fewer fan speeds
    Avalla S-150 offers fewer fan speeds than the average portable air conditioner (2 vs 3).
  • 60 m³/h lower high-speed airflow
    Avalla S-150 delivers lower high-speed airflow than the average portable air conditioner (290 m³/h vs 350 m³/h).
  • 1000 BTU/h lower cooling capacity
    Avalla S-150 delivers lower cooling capacity than the average portable air conditioner (8000 BTU/h vs 9000 BTU/h).
  • 1 dB louder at maximum output
    Avalla S-150 is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).
  • 1 dB louder minimum operation
    Avalla S-150 is louder at minimum output than the average portable air conditioner (52 dB vs 51 dB).
    Lowest stated operating noise.
  • More limited airflow control
    Avalla S-150 provides none airflow direction control, while the average portable air conditioner offers automatic.
  • 10.4 l/24 h lower dehumidification capacity
    Avalla S-150 offers lower moisture removal than the average portable air conditioner (22 l/24 h vs 32.4 l/24 h).
  • 39.2% larger external volume
    Avalla S-150 has a larger external volume than the average portable air conditioner (62370 cm³ vs 102623.407656 cm³).
  • More limited airflow control
    Avalla S-150 provides none airflow direction control, while the average portable air conditioner offers automatic.
    What it is: Airflow direction control describes whether outlet air can be aimed automatically, manually, or not at all.
    When it matters: Better directional control spreads conditioned air more evenly without repositioning the unit.

    Importance: MEDIUM

    Good value: automatic

    Avalla S-150 provides none airflow direction control, while the average portable air conditioner offers automatic.none vs automatic
  • 1 fewer fan speeds
    Avalla S-150 offers fewer fan speeds than the average portable air conditioner (2 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

    Avalla S-150 offers fewer fan speeds than the average portable air conditioner (2 vs 3).2 vs 3
  • 60 m³/h lower high-speed airflow
    Avalla S-150 delivers lower high-speed airflow than the average portable air conditioner (290 m³/h vs 350 m³/h).
    What it is: High-speed airflow is the maximum volume of air the fan can move per hour.
    When it matters: Higher maximum airflow circulates cooled air through the room more quickly.

    Importance: HIGH

    Good value: At least 350 m³/h

    Avalla S-150 delivers lower high-speed airflow than the average portable air conditioner (290 m³/h vs 350 m³/h).290 m³/h vs 350 m³/h
  • 10.4 l/24 h lower dehumidification capacity
    Avalla S-150 offers lower moisture removal than the average portable air conditioner (22 l/24 h vs 32.4 l/24 h).
    What it is: Dehumidification capacity is the maximum volume of moisture the unit can remove from the air in 24 hours.
    When it matters: Higher capacity is more effective in large, persistently humid, or moisture-prone rooms.

    Importance: HIGH

    Good value: At least 24 l/24 h

    Avalla S-150 offers lower moisture removal than the average portable air conditioner (22 l/24 h vs 32.4 l/24 h).22 l/24 h vs 32.4 l/24 h
  • 1000 BTU/h lower cooling capacity
    Avalla S-150 delivers lower cooling capacity than the average portable air conditioner (8000 BTU/h vs 9000 BTU/h).
    What it is: Cooling capacity is the amount of heat the air conditioner can remove per hour, measured in BTU/h.
    When it matters: Higher capacity cools larger or warmer rooms more effectively, provided the unit is sized correctly.

    Importance: HIGH

    Good value: At least 12,000 BTU/h

    Avalla S-150 delivers lower cooling capacity than the average portable air conditioner (8000 BTU/h vs 9000 BTU/h).8000 BTU/h vs 9000 BTU/h
  • 1 dB louder at maximum output
    Avalla S-150 is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).
    What it is: Maximum noise level is the loudest stated sound output, usually produced at full cooling or fan speed.
    When it matters: Lower maximum noise makes intensive cooling less disruptive during work, conversation, or sleep.

    Importance: MEDIUM

    Good value: Up to 60 dB

    Avalla S-150 is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).65 dB vs 64 dB
  • 1 dB louder minimum operation
    Avalla S-150 is louder at minimum output than the average portable air conditioner (52 dB vs 51 dB).
    Lowest stated operating noise.
    What it is: Minimum noise level is the quietest stated sound output, normally reached at a reduced fan setting.
    When it matters: Lower minimum noise is valuable in bedrooms, home offices, and other quiet spaces.

    Importance: MEDIUM

    Good value: Up to 50 dB

    Avalla S-150 is louder at minimum output than the average portable air conditioner (52 dB vs 51 dB).52 dB vs 51 dB
  • 39.2% larger external volume
    Avalla S-150 has a larger external volume than the average portable air conditioner (62370 cm³ vs 102623.407656 cm³).
    What it is: The exterior physical volume (bulk footprint) occupied by the portable air conditioner chassis, calculated from its height, width, and depth.
    When it matters: Crucial for assessing room floor intrusion and determining whether the appliance can be stored away easily in closets or under stairs off-season.

    Importance: LOW

    Avalla S-150 has a larger external volume than the average portable air conditioner (62370 cm³ vs 102623.407656 cm³).62370 cm³ vs 102623.407656 cm³
Total
Overall
Performance
Features
Design

Graphic comparison of Avalla S-150 and other products in the Portable Air Conditioners category

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Attribute
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Third-party reviews

United Kingdom
amazon
4.3
239 Reviews
United States
Amazon_logo.png
4.3
234 Reviews

(Reviews last updated: August 2026)

What customers like about Avalla S-150?

  • Extremely compact and portable, ideal for small spaces, vans, or camping
  • Uses a Panasonic inverter compressor for efficient cooling (approx. 5,100 BTUs)
  • Provides genuinely cold air (36-38°F at the vent)
  • Energy-efficient with very low power usage in Eco modes
  • Good, responsive customer service for [Avalla products](https://uk.trustpilot.com/review/avalla.com)

What customers dislike about Avalla S-150?

  • Not designed for large rooms or whole-house cooling
  • Requires proper setup of dual intake/exhaust ducts for maximum efficiency
  • Maximum cooling run time is short (1-1.5 hours) on battery power; best used in Eco mode for longevity
  • Heating efficiency drops in cold environments (below 50°F)
  • Potential for shipping faults, though support is helpful

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