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BLACK+DECKER BXAC40008GB Review | 44 Data compared

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  • Avg. price in UK: ~£420
  • Avg. price in US: ~$510
  • Cooling capacity: 12,000 BTU/h
  • Maximum room size: 24 m²
  • Maximum noise level: 65 dB
  • Heating function: no
  • Cooling Energy Efficiency Class: A

BLACK+DECKER BXAC40008GB 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.

7.0

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%

7.0

Technical Score

20.0%

?

User score

Very good
7.0

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%

6.7

Performance

30.0%

6.8

Features

15.0%

8.2

Design

Very good
?

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%

?

User reviews

30.0%

?

Popularity

  • 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

  • 7.7
    Large rooms

    Score components:

    40.0%

    10

    Cooling capacity

    30.0%

    3.6

    Maximum room size

    20.0%

    9.4

    Airflow (high speed)

    10.0%

    7.0

    Airflow direction control

  • 5.5
    Year-round use

    Score components:

    40.0%

    4.0

    Heating function

    30.0%

    4.3

    Dehumidification capacity

    20.0%

    8.0

    Cooling energy efficiency class

    10.0%

    10

    Automatic fan speed

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Best prices in UK

    N/A~ £420

Best rankings

?

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

Verdict

The BLACK+DECKER BXAC40008GB is a powerful 3-in-1 portable climate control unit delivering a 12,000 BTU (3.3 kW) cooling capacity, designed to efficiently manage spaces up to 24m² with an airflow rate of 410 m³/h. Operating on 220-240V with a 1350W power input, this Class A energy-rated appliance functions as an air conditioner, a 3-speed fan, and a high-capacity dehumidifier capable of extracting up to 40 litres of moisture per day into its 1.5L water tray. Key performance pros include an active carbon filter to eliminate odours, an automated self-evaporating system, a 24-hour programmable timer, an overheat protection mechanism, and a silent compressor mode that drops noise levels to 53dB at low speed. However, notable cons include its hefty 28.5 kg frame, a maximum operating sound level that can reach a loud 65 dB, and the common installation requirement of securing an exhaust hose via a window kit.

Technical Specifications of portable air conditioner BLACK+DECKER BXAC40008GB

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%

?

Performance

30.0%

?

Features

15.0%

?

Design

7.0
BLACK+DECKER BXAC40008GB has a technical score of 6.97 points, which is higher than 61.1% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
BLACK+DECKER BXAC40008GB has a popularity of 1 points, which is lower than 66.3% 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%

7.0

Overall score

40.0%

6.8

Price

6.9
BLACK+DECKER BXAC40008GB has a quality-to-price ratio of 6.9 points, which is lower than 59% 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

12,000 BTU/h
BLACK+DECKER BXAC40008GB delivers 12000 BTU/h cooling capacity, which is higher than that of 71.3% of portable air conditioners and equal to that of 19.7% 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

1,350 W
BLACK+DECKER BXAC40008GB draws 1350 W, which is higher than the power draw of 91.1% of portable air conditioners.
Cooling-mode power draw.
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
BLACK+DECKER BXAC40008GB 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.
Official EU cooling energy efficiency class.
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

3
BLACK+DECKER BXAC40008GB offers 3 fan speeds, which is more than 36.8% of portable air conditioners and equal to 61.1% of portable air conditioners.
Manual discrete fan-speed levels counted; automatic and continuous modes were excluded.
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
BLACK+DECKER BXAC40008GB 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

manual
BLACK+DECKER BXAC40008GB provides manual airflow direction control, which ranks lower than 53.2% of portable air conditioners and equal to 19.4% 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
BLACK+DECKER BXAC40008GB 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
BLACK+DECKER BXAC40008GB 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
BLACK+DECKER BXAC40008GB 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.
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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
BLACK+DECKER BXAC40008GB 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
BLACK+DECKER BXAC40008GB 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
BLACK+DECKER BXAC40008GB includes built-in handles for easier carrying. 99.5% of portable air conditioners feature handles.
Show more

BLACK+DECKER BXAC40008GB vs the average portable air conditioner

  • 3000 BTU/h higher cooling capacity
    BLACK+DECKER BXAC40008GB delivers higher cooling capacity than the average portable air conditioner (12000 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

    BLACK+DECKER BXAC40008GB delivers higher cooling capacity than the average portable air conditioner (12000 BTU/h vs 9000 BTU/h).12000 BTU/h vs 9000 BTU/h
  • 60 m³/h higher high-speed airflow
    BLACK+DECKER BXAC40008GB delivers higher high-speed airflow than the average portable air conditioner (410 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

    BLACK+DECKER BXAC40008GB delivers higher high-speed airflow than the average portable air conditioner (410 m³/h vs 350 m³/h).410 m³/h vs 350 m³/h
  • 6 dB quieter minimum operation
    BLACK+DECKER BXAC40008GB is quieter at minimum output than the average portable air conditioner (45 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

    BLACK+DECKER BXAC40008GB is quieter at minimum output than the average portable air conditioner (45 dB vs 51 dB).45 dB vs 51 dB
  • 2.8 cm narrower cabinet
    BLACK+DECKER BXAC40008GB is narrower than the average portable air conditioner (35.2 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

    BLACK+DECKER BXAC40008GB is narrower than the average portable air conditioner (35.2 cm vs 38 cm).35.2 cm vs 38 cm
  • 3000 BTU/h higher cooling capacity
    BLACK+DECKER BXAC40008GB delivers higher cooling capacity than the average portable air conditioner (12000 BTU/h vs 9000 BTU/h).
  • 60 m³/h higher high-speed airflow
    BLACK+DECKER BXAC40008GB delivers higher high-speed airflow than the average portable air conditioner (410 m³/h vs 350 m³/h).
  • 6 dB quieter minimum operation
    BLACK+DECKER BXAC40008GB is quieter at minimum output than the average portable air conditioner (45 dB vs 51 dB).
  • 2.8 cm narrower cabinet
    BLACK+DECKER BXAC40008GB is narrower than the average portable air conditioner (35.2 cm vs 38 cm).

Total
Performance
Design
  • 350 W higher rated power draw
    BLACK+DECKER BXAC40008GB draws more power than the average portable air conditioner (1350 W vs 1000 W).
    Cooling-mode power draw.
  • 2 °C higher minimum temperature
    BLACK+DECKER BXAC40008GB has a higher minimum temperature setting than the average portable air conditioner (18 °C vs 16 °C).
  • 6 m² smaller room coverage
    BLACK+DECKER BXAC40008GB covers a smaller room area than the average portable air conditioner (24 m² vs 30 m²).
    Maximum recommended cooling area in m².
  • 1 dB louder at maximum output
    BLACK+DECKER BXAC40008GB is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).
    Highest stated operating noise.
  • More limited airflow control
    BLACK+DECKER BXAC40008GB provides manual airflow direction control, while the average portable air conditioner offers automatic.
  • 3.4 l/24 h lower dehumidification capacity
    BLACK+DECKER BXAC40008GB offers lower moisture removal than the average portable air conditioner (29 l/24 h vs 32.4 l/24 h).
  • 13.6 cm taller cabinet
    BLACK+DECKER BXAC40008GB is taller than the average portable air conditioner (84.6 cm vs 71 cm).
  • 0.1 m shorter power cord
    BLACK+DECKER BXAC40008GB has a shorter power cord than the average portable air conditioner (1.7 m vs 1.8 m).
  • 3.9 cm deeper cabinet
    BLACK+DECKER BXAC40008GB is deeper than the average portable air conditioner (39.4 cm vs 35.5 cm).
  • 11.8% higher weight
    BLACK+DECKER BXAC40008GB is heavier than the average portable air conditioner (28.5 kg vs 25.5 kg).
  • 14.3% larger external volume
    BLACK+DECKER BXAC40008GB has a larger external volume than the average portable air conditioner (117330 cm³ vs 102623.407656 cm³).
  • 350 W higher rated power draw
    BLACK+DECKER BXAC40008GB draws more power than the average portable air conditioner (1350 W vs 1000 W).
    Cooling-mode power draw.
    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

    BLACK+DECKER BXAC40008GB draws more power than the average portable air conditioner (1350 W vs 1000 W).1350 W vs 1000 W
  • 2 °C higher minimum temperature
    BLACK+DECKER BXAC40008GB has a higher minimum temperature setting than the average portable air conditioner (18 °C vs 16 °C).
    What it is: Minimum set temperature is the lowest thermostat target the unit allows.
    When it matters: A lower minimum setting gives more headroom for intensive cooling in very warm conditions.

    Importance: MEDIUM

    Good value: Up to 16 °C

    BLACK+DECKER BXAC40008GB has a higher minimum temperature setting than the average portable air conditioner (18 °C vs 16 °C).18 °C vs 16 °C
  • More limited airflow control
    BLACK+DECKER BXAC40008GB provides manual 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

    BLACK+DECKER BXAC40008GB provides manual airflow direction control, while the average portable air conditioner offers automatic.manual vs automatic
  • 6 m² smaller room coverage
    BLACK+DECKER BXAC40008GB covers a smaller room area than the average portable air conditioner (24 m² vs 30 m²).
    Maximum recommended cooling area in 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

    BLACK+DECKER BXAC40008GB covers a smaller room area than the average portable air conditioner (24 m² vs 30 m²).24 m² vs 30 m²
  • 13.6 cm taller cabinet
    BLACK+DECKER BXAC40008GB is taller than the average portable air conditioner (84.6 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

    BLACK+DECKER BXAC40008GB is taller than the average portable air conditioner (84.6 cm vs 71 cm).84.6 cm vs 71 cm
  • 1 dB louder at maximum output
    BLACK+DECKER BXAC40008GB is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).
    Highest stated operating noise.
    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

    BLACK+DECKER BXAC40008GB is louder at maximum output than the average portable air conditioner (65 dB vs 64 dB).65 dB vs 64 dB
  • 0.1 m shorter power cord
    BLACK+DECKER BXAC40008GB has a shorter power cord than the average portable air conditioner (1.7 m vs 1.8 m).
    What it is: Power cord length is the distance the unit can reach from a wall outlet without an extension lead.
    When it matters: A longer cord makes safe placement easier when suitable outlets are limited.

    Importance: LOW

    Good value: At least 1.8 m

    BLACK+DECKER BXAC40008GB has a shorter power cord than the average portable air conditioner (1.7 m vs 1.8 m).1.7 m vs 1.8 m
  • 3.9 cm deeper cabinet
    BLACK+DECKER BXAC40008GB is deeper than the average portable air conditioner (39.4 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

    BLACK+DECKER BXAC40008GB is deeper than the average portable air conditioner (39.4 cm vs 35.5 cm).39.4 cm vs 35.5 cm
Total
Overall
Performance
Features
Design

Graphic comparison of BLACK+DECKER BXAC40008GB and other products in the Portable Air Conditioners category

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Third-party reviews

What customers like about BLACK+DECKER BXAC40008GB?

  • Powerful 12,000 BTU capacity effectively and quickly cools medium to large rooms up to 30 square meters.
  • Versatile 3-in-1 design offers useful cooling, fan-only, and independent dehumidification modes.
  • Equipped with smooth-rolling caster wheels that make it easy to move between rooms.
  • Features a very convenient 24-hour programmable timer and a functional remote control.
  • Self-evaporating system reduces the need for manual water tray drainage during standard cooling.
  • Easily detachable filters allow for quick maintenance and cleaning.

What customers dislike about BLACK+DECKER BXAC40008GB?

  • Very noisy operation with a loud compressor hum and plastic case vibrations that do not fade into the background.
  • The unit shakes violently when the compressor cycles off, which can easily disrupt sleep.
  • Heavy and bulky frame makes it difficult to carry upstairs or store away when not in use.
  • Occupies a significant amount of floor space and requires strict placement near a window for the exhaust hose.
  • Single-hose extraction setup makes it less energy-efficient than a dual-hose or traditional window unit.
  • The included window installation kit and drainage system instructions receive mixed feedback for clarity.

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