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Daikin Siesta Classic Dual 9000+12000 BTU Review | 46 Data compared

Avg. price:~£1,280Cooling capacity:4 kWSeasonal cooling efficiency (SEER):6.22Maximum indoor-unit sound power level:56 dB

Daikin Siesta Classic Dual 9000+12000 BTU 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.

Daikin Siesta Classic Dual 9000+12000 BTU
7.6/10

Overall score

Score
7.6/ 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
â–² Better than 59% of models
Score components

80%

7.5

Technical score

20%

7.9

User score

â–²Better than 59% of air conditioners
5.6

Value for money

Value for money
5.6/ 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 93% of models
Score components

70%

7.6

Overall score

30%

1.0

Price

â–¼Worse than 93%
7.5

Technical score

Technical score
7.5/ 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
â–² Better than 55% of models
Score components

40%

5.7

Performance

40%

8.9

Features

20%

8.5

Design

â–²Better than 55%
7.9

User score

User score
7.9/ 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 84% of models
Score components

70%

9.0

User ratings

30%

5.5

Number of reviews

Based on ratings from across the web.
â–¼Worse than 84%
  • daikin-siesta-classic-dual-900012000-btu-2
daikin-siesta-classic-dual-900012000-btu-2
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Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Air Conditioners model ranking

Ranked #37 of 178 models in Air Conditioners (Overall score)

Technical Specifications of air conditioner Daikin Siesta Classic Dual 9000+12000 BTU

Technical score
Technical score
7.5/ 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
â–² Better than 55% of models
Score components:

40%

5.7

Performance

40%

8.9

Features

20%

8.5

Design

7.5
User score
User score
7.9/ 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 84% of models
Score components

70%

9.0

User ratings

30%

5.5

Number of reviews

Based on ratings from across the web.
7.9
Popularity
Popularity
5.5/ 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–² Better than 70% of models
Popularity:
Daikin Siesta Classic Dual 9000+12000 BTU has a popularity score of 5.5 points, which is higher than 70.2% of products in this category.
5.5
Value for money
Value for money
5.6/ 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 93% of models
Score components:

70%

7.6

Overall score

30%

1.0

Price

5.6
Split configuration
dual split
Cooling capacity
4 kW
Market range: <2.5 kW – >5.5 kW
This air conditioner delivers a cooling capacity of 4 kW, which is higher than that of 70% of air conditioners and the same as that of 1.8% of air conditioners.
Indoor-unit capacity configuration
9000 + 12,000 BTU/h
Seasonal cooling efficiency (SEER)
6.22
Market range: <6 – >7.5
This air conditioner has a SEER rating of 6.22, which is lower than that of 55.8% of air conditioners.
Seasonal heating efficiency (SCOP)
4.1
Market range: <4 – >5
This air conditioner 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.
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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
no
Does this air conditioner actively purify the air? no. 27% of air conditioners do not, while 73.1% do.
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.
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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

Daikin Siesta Classic Dual 9000+12000 BTU vs the average air conditioner

246810TotalPerformanceFeaturesDesign
  • 683 m³/h higher indoor-unit airflow
    This air conditioner delivers a higher indoor airflow rate than the average air conditioner (1278 m³/h vs 595 m³/h).
    1,278 m³/h vs 595 m³/h
  • 2 more fan speeds
    This air conditioner provides more fan speed options than the average air conditioner (5 vs 3).
    5 vs 3
  • 13.8% lighter indoor unit
    This air conditioner has a lighter indoor unit than the average air conditioner (7.5 kg vs 8.7 kg).
    7.5 kg vs 8.7 kg
  • 2 dB lower outdoor sound power
    This air conditioner operates with a quieter outdoor unit than the average air conditioner (60 dB vs 62 dB).
    60 dB vs 62 dB
  • 0.1 points higher seasonal heating efficiency
    This air conditioner achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.1 vs 4).
    4.1 vs 4
  • 3.5 cm narrower indoor unit
    This air conditioner has a narrower indoor unit than the average air conditioner (77 cm vs 80.5 cm).
    77 cm vs 80.5 cm
  • 0.5 kW higher cooling capacity
    This air conditioner delivers a higher cooling capacity than the average air conditioner (4 kW vs 3.5 kW).
    4 kW vs 3.5 kW
  • 5.46x more popular
    Daikin Siesta Classic Dual 9000+12000 BTU is more popular than the average air conditioner (5.46 vs 1).
    5.46 vs 1
  • 5.46x more popular
    Daikin Siesta Classic Dual 9000+12000 BTU is more popular than the average air conditioner (5.46 vs 1).
    5.46 vs 1
  • 683 m³/h higher indoor-unit airflow
    This air conditioner delivers a higher indoor airflow rate than the average air conditioner (1278 m³/h vs 595 m³/h).
    1,278 m³/h vs 595 m³/h
  • 2 dB lower outdoor sound power
    This air conditioner operates with a quieter outdoor unit than the average air conditioner (60 dB vs 62 dB).
    60 dB vs 62 dB
  • 0.1 points higher seasonal heating efficiency
    This air conditioner achieves a higher seasonal heating efficiency (SCOP) than the average air conditioner (4.1 vs 4).
    4.1 vs 4
  • 0.5 kW higher cooling capacity
    This air conditioner delivers a higher cooling capacity than the average air conditioner (4 kW vs 3.5 kW).
    4 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
  • 13.8% lighter indoor unit
    This air conditioner has a lighter indoor unit than the average air conditioner (7.5 kg vs 8.7 kg).
    7.5 kg vs 8.7 kg
  • 3.5 cm narrower indoor unit
    This air conditioner has a narrower indoor unit than the average air conditioner (77 cm vs 80.5 cm).
    77 cm vs 80.5 cm
  • 0.4 cm lower indoor unit
    This air conditioner has a lower indoor-unit height than the average air conditioner (28.6 cm vs 29 cm).
    28.6 cm vs 29 cm
  • Does not support automatic self-cleaning
    This air conditioner does not support automatic self-cleaning, while the average air conditioner supports automatic self-cleaning.
  • Does not support Wi-Fi connectivity
    This air conditioner does not support Wi-Fi connectivity, while the average air conditioner supports Wi-Fi connectivity.
  • No display
    This air conditioner has no display (no), while the average air conditioner does (yes).
  • 2 cm deeper indoor unit
    This air conditioner has a deeper indoor unit than the average air conditioner (22.5 cm vs 20.5 cm).
    22.5 cm vs 20.5 cm
  • 2.56x more expensive
    Daikin Siesta Classic Dual 9000+12000 BTU is more expensive than the average air conditioner (£1,280 vs £500).
    £1,280 vs £500
  • 26.4% worse value for money
    Daikin Siesta Classic Dual 9000+12000 BTU offers worse value for money than the average air conditioner (5.63 vs 7.1).
    5.63 vs 7.12
  • 0.08 points lower seasonal cooling efficiency
    This air conditioner has a lower seasonal cooling efficiency (SEER) than the average air conditioner (6.2 vs 6.3).
    6.22 vs 6.3
  • 0.8% lower user score
    User score
    7.9/ 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
    ▼▼
    <55-66-77-88-99-10
    Daikin Siesta Classic Dual 9000+12000 BTU
    the average air conditioner
    Daikin Siesta Classic Dual 9000+12000 BTU has a lower user score than the average air conditioner (7.94 vs 8.000).
    7.94 vs 8
  • 2.56x more expensive
    Daikin Siesta Classic Dual 9000+12000 BTU is more expensive than the average air conditioner (£1,280 vs £500).
    £1,280 vs £500
  • 26.4% worse value for money
    Daikin Siesta Classic Dual 9000+12000 BTU offers worse value for money than the average air conditioner (5.63 vs 7.1).
    5.63 vs 7.12
  • 0.8% lower user score
    User score
    7.9/ 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
    ▼▼
    <55-66-77-88-99-10
    Daikin Siesta Classic Dual 9000+12000 BTU
    the average air conditioner
    Daikin Siesta Classic Dual 9000+12000 BTU has a lower user score than the average air conditioner (7.94 vs 8.000).
    7.94 vs 8
  • 0.08 points lower seasonal cooling efficiency
    This air conditioner has a lower seasonal cooling efficiency (SEER) than the average air conditioner (6.2 vs 6.3).
    6.22 vs 6.3
  • Does not support automatic self-cleaning
    This air conditioner does not support automatic self-cleaning, while the average air conditioner supports automatic self-cleaning.
  • Does not support Wi-Fi connectivity
    This air conditioner does not support Wi-Fi connectivity, while the average air conditioner supports Wi-Fi connectivity.
  • No display
    This air conditioner has no display (no), while the average air conditioner does (yes).
  • 2 cm deeper indoor unit
    This air conditioner has a deeper indoor unit than the average air conditioner (22.5 cm vs 20.5 cm).
    22.5 cm vs 20.5 cm

Third-party reviews

Based on ratings from across the web.
Reviews last updated: August 2026 · How we calculate this

What we like about Daikin Siesta Classic Dual 9000+12000 BTU

  • Extremely quiet operation with dedicated silent and comfort sleep modes
  • Excellent value for money with high build quality from a reputable brand
  • High energy efficiency with A++/A+ ratings and eco-friendly R32 refrigerant
  • Effective smart app and Wi-Fi connectivity for remote control management
  • Comfort mode airflow design preventing cold air from blowing directly onto users
  • Compact and elegant indoor unit dimensions that easily fit home decor

What we don't like about Daikin Siesta Classic Dual 9000+12000 BTU

  • Lack of a built-in temperature display on the indoor unit split chassis
  • High-tech configurations require highly professional and skilled installation
  • Occasional vendor coordination challenges regarding documentation or prompt invoicing
  • Heating functionality can experience delays or temporary freezing in extreme outdoor winter conditions

Verdict

The Daikin Siesta Classic Dual is an inverter multi-split air conditioning system featuring one 9,000 BTU unit and one 12,000 BTU unit connected to a single outdoor unit, utilizing eco-friendly R-32 refrigerant with an energy class rating of A++ for cooling and A+ for heating. Key characteristics and advantages include its compact wall-mounted indoor units (measuring 286x770x225 mm), a very quiet operational sound pressure level lowering down to 20 dBA in silent mode, an energy-saving standby mode that reduces consumption by 80%, a Blue Fin anti-corrosion treated outdoor heat exchanger, and practical advanced modes like Econo, Comfort, and Powerful. However, it requires a professional certified installation due to F-Gas regulations, and the integrated Wi-Fi capability is frequently sold as an optional plug-in card rather than being natively built into the factory hardware.

Compare Daikin Siesta Classic Dual 9000+12000 BTU with other products in the Air Conditioners category

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