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Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW Review | 46 Data compared

Avg. price:~£1,830Cooling capacity:5.3 kWSeasonal cooling efficiency (SEER):8.7Maximum indoor-unit sound power level:57 dB

Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW 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.

8.8/10

Overall score

Score
8.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
★ Better than 99% of models
Score components

80%

8.8

Technical score

20%

?

User score

★Better than 99% of air conditioners
6.5

Value for money

Value for money
6.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 72% of models
Score components

70%

8.8

Overall score

30%

1.0

Price

â–¼Worse than 72%
8.8

Technical score

Technical score
8.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
★ Better than 99% of models
Score components

40%

8.8

Performance

40%

9.4

Features

20%

7.8

Design

★Better than 99%
?

User score

User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 83% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image
Best prices
    N/A~ £1,830
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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Technical Specifications of air conditioner Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW

Technical score
Technical score
8.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
★ Better than 99% of models
Score components:

40%

8.8

Performance

40%

9.4

Features

20%

7.8

Design

8.8
User score
User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 83% of models
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 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.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 99% of models
Popularity:
Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW has a popularity score of 1 point, which is higher than 0% of products in this category.
1.0
Value for money
Value for money
6.5/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 72% of models
Score components:

70%

8.8

Overall score

30%

1.0

Price

6.5
Split configuration
dual split
Cooling capacity
5.3 kW
Market range: <2.5 kW – >5.5 kW
This air conditioner delivers a cooling capacity of 5.3 kW, which is higher than that of 85.9% of air conditioners and the same as that of 2.4% of air conditioners.
Indoor-unit capacity configuration
2× 12000 BTU/h
Seasonal cooling efficiency (SEER)
8.7
Market range: <6 – >7.5
This air conditioner has a SEER rating of 8.7, which is higher than that of 97.4% of air conditioners and the same as that of 1.3% of air conditioners.
Seasonal heating efficiency (SCOP)
4.7
Market range: <4 – >5
This air conditioner has a SCOP rating of 4.7, which is higher than that of 92.4% of air conditioners and the same as that of 1.3% of air conditioners.
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Inverter compressor
yes
Does this air conditioner use an inverter compressor? yes. 12.4% of air conditioners do, while 87.6% do not.
Heating function
yes
Can this air conditioner heat the room? yes. 7.3% of air conditioners can, while 92.7% cannot.
Active air purification
yes
Does this air conditioner actively purify the air? yes. 73.7% of air conditioners do, while 26.4% do not.
Includes active air purification such as ionization, plasma, or UV treatment.
Dehumidification mode
yes
Does this air conditioner include dehumidification mode? yes. 6.8% of air conditioners do, while 93.2% do not.
Fan-only mode
yes
Does this air conditioner offer fan-only mode? yes. 6.2% of air conditioners do, while 93.8% do not.
Show more
Color
white
Body material
plastic
Display
no
This air conditioner has no display (no); 82.6% of air conditioners do, while 17.4% do not.
Display position
none
Physical control methods
remote control
This air conditioner provides remote control physical controls, ahead of 1.1% of air conditioners and equal to 81.5%.
Show more

Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW vs the average air conditioner

246810TotalPerformanceFeaturesDesign
  • 2.4 points higher seasonal cooling efficiency
    This air conditioner achieves a higher seasonal cooling efficiency (SEER) than the average air conditioner (8.7 vs 6.3).
    8.7 vs 6.3
  • 0.7 points higher seasonal heating efficiency
    This air conditioner achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.7 vs 4).
    4.7 vs 4
  • 1.8 kW higher cooling capacity
    This air conditioner delivers a higher cooling capacity than the average air conditioner (5.3 kW vs 3.5 kW).
    5.3 kW vs 3.5 kW
  • 2 more fan speeds
    This air conditioner provides more fan speed options than the average air conditioner (5 vs 3).
    5 vs 3
  • Higher cooling energy class
    This air conditioner has a more efficient cooling energy class than the average air conditioner (A+++ vs A++).
    A+++ vs A++
  • 175 m³/h higher indoor-unit airflow
    This air conditioner delivers a higher indoor airflow rate than the average air conditioner (770 m³/h vs 595 m³/h).
    770 m³/h vs 595 m³/h
  • 35 m² larger room coverage
    This air conditioner covers a larger room area than the average air conditioner (70 m² vs 35 m²).
    70 m² vs 35 m²
  • Active air purification
    Does this air conditioner actively purify the air? yes. What about the average air conditioner? no.
    Includes active air purification such as ionization, plasma, or UV treatment.
  • 2.4 points higher seasonal cooling efficiency
    This air conditioner achieves a higher seasonal cooling efficiency (SEER) than the average air conditioner (8.7 vs 6.3).
    8.7 vs 6.3
  • 0.7 points higher seasonal heating efficiency
    This air conditioner achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.7 vs 4).
    4.7 vs 4
  • 1.8 kW higher cooling capacity
    This air conditioner delivers a higher cooling capacity than the average air conditioner (5.3 kW vs 3.5 kW).
    5.3 kW vs 3.5 kW
  • Higher cooling energy class
    This air conditioner has a more efficient cooling energy class than the average air conditioner (A+++ vs A++).
    A+++ vs A++
  • 175 m³/h higher indoor-unit airflow
    This air conditioner delivers a higher indoor airflow rate than the average air conditioner (770 m³/h vs 595 m³/h).
    770 m³/h vs 595 m³/h
  • 35 m² larger room coverage
    This air conditioner covers a larger room area than the average air conditioner (70 m² vs 35 m²).
    70 m² vs 35 m²
  • 2 more fan speeds
    This air conditioner provides more fan speed options than the average air conditioner (5 vs 3).
    5 vs 3
  • Active air purification
    Does this air conditioner actively purify the air? yes. What about the average air conditioner? no.
    Includes active air purification such as ionization, plasma, or UV treatment.
  • 0.7 cm narrower indoor unit
    This air conditioner has a narrower indoor unit than the average air conditioner (79.8 cm vs 80.5 cm).
    79.8 cm vs 80.5 cm
  • Does not support comfort airflow mode
    This air conditioner does not support comfort airflow mode, while the average air conditioner supports comfort airflow mode.
  • 4 cm deeper indoor unit
    This air conditioner has a deeper indoor unit than the average air conditioner (24.5 cm vs 20.5 cm).
    24.5 cm vs 20.5 cm
  • 20.7% heavier indoor unit
    This air conditioner has a heavier indoor unit than the average air conditioner (10.5 kg vs 8.7 kg).
    10.5 kg vs 8.7 kg
  • No display
    This air conditioner has no display (no), while the average air conditioner does (yes).
  • 2 dB higher outdoor sound power
    This air conditioner operates with a louder outdoor unit than the average air conditioner (64 dB vs 62 dB).
    64 dB vs 62 dB
  • 0.9 cm taller indoor unit
    This air conditioner has a taller indoor-unit height than the average air conditioner (29.9 cm vs 29 cm).
    29.9 cm vs 29 cm
  • 3.66x more expensive
    Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW is more expensive than the average air conditioner (£1,830 vs £500).
    £1,830 vs £500
  • 1 dB higher indoor sound power
    This air conditioner operates with a louder indoor unit than the average air conditioner (57 dB vs 56 dB).
    57 dB vs 56 dB
  • 3.66x more expensive
    Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW is more expensive than the average air conditioner (£1,830 vs £500).
    £1,830 vs £500
  • 10.1% worse value for money
    Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW offers worse value for money than the average air conditioner (6.47 vs 7.1).
    6.47 vs 7.12
  • 2 dB higher outdoor sound power
    This air conditioner operates with a louder outdoor unit than the average air conditioner (64 dB vs 62 dB).
    64 dB vs 62 dB
  • 1 dB higher indoor sound power
    This air conditioner operates with a louder indoor unit than the average air conditioner (57 dB vs 56 dB).
    57 dB vs 56 dB
  • Does not support comfort airflow mode
    This air conditioner does not support comfort airflow mode, while the average air conditioner supports comfort airflow mode.
  • 4 cm deeper indoor unit
    This air conditioner has a deeper indoor unit than the average air conditioner (24.5 cm vs 20.5 cm).
    24.5 cm vs 20.5 cm
  • 20.7% heavier indoor unit
    This air conditioner has a heavier indoor unit than the average air conditioner (10.5 kg vs 8.7 kg).
    10.5 kg vs 8.7 kg
  • No display
    This air conditioner has no display (no), while the average air conditioner does (yes).
  • 0.9 cm taller indoor unit
    This air conditioner has a taller indoor-unit height than the average air conditioner (29.9 cm vs 29 cm).
    29.9 cm vs 29 cm

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

T
test.de
27/05/2026
Summary of the review
Review: Mitsubishi Electric MSZ-AY35VGKP + MUZ-AY35VG
(Translated)Show original

Third-party reviews

What we like about Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW

  • Ultra-quiet performance, operating as low as 18 dB(A) which is ideal for bedrooms and night use.
  • Excellent energy efficiency with a top-tier A+++ cooling rating.
  • Reliable and stable built-in Wi-Fi that integrates smoothly with the MELCloud app for remote control.
  • Effective self-cleaning mode that dries the internal unit to prevent mold and unpleasant odors.
  • Premium build quality featuring a sleek, easy-to-clean matte white finish.
  • Comprehensive multi-directional airflow with both vertical and horizontal automatic louver adjustments.

What we don't like about Mitsubishi MSZ-AY Multisplit 3.5+3.5 kW

  • Higher upfront equipment and installation costs compared to budget competitors.
  • The indoor units are relatively bulky and take up a noticeable amount of wall space.
  • Lower overall efficiency in multi-split configurations compared to using individual single-split systems.

Verdict

The Mitsubishi MSZ-AY Multi-split system features two 3.5 kW (12,000 BTU) indoor units paired with an eco-friendly R32 refrigerant, delivering a nominal 3.5 kW cooling and 4.0 kW heating capacity per unit for rooms up to 35 m². This system boasts outstanding energy efficiency with a SEER of 8.7 (A+++) and SCOP of 4.7 (A++), alongside built-in Wi-Fi via the MELCloud app, Dual Barrier Coating to protect internal components, and an advanced V-Blocking or Plasma Quad Plus air purification filter. Its main pros include an ultra-quiet operation operating at a mere 18 dB(A) in silent mode, reliable heating performance in extreme climates down to -20°C, and an integrated Self-Clean Mode that eliminates internal moisture to prevent mold. On the downside, the system carries a premium initial investment cost compared to entry-level alternatives, requires a multi-split outdoor unit with a larger footprint, and may see a minor drop in heating capacity when operating multi-split configurations at extreme sub-zero outdoor temperatures.

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