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

Avg. price:~£380Cooling capacity:2.9 kWSeasonal cooling efficiency (SEER):6.9Maximum 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
7.5/10

Overall score

Score
7.5/ 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–¼ Worse than 52% of models
Score components

80%

7.4

Technical score

20%

7.9

User score

â–¼Worse than 52% of air conditioners
7.4

Value for money

Value for money
7.4/ 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–² Better than 69% of models
Score components

70%

7.5

Overall score

30%

7.2

Price

â–²Better than 69%
7.4

Technical score

Technical score
7.4/ 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–¼ Worse than 53% of models
Score components

40%

5.5

Performance

40%

8.6

Features

20%

8.8

Design

â–¼Worse than 53%
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
daikin-siesta-classic-dual-900012000-btu
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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 Daikin Siesta Classic Dual 9000+12000 BTU

Technical score
Technical score
7.4/ 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–¼ Worse than 53% of models
Score components:

40%

5.5

Performance

40%

8.6

Features

20%

8.8

Design

7.4
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
7.4/ 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–² Better than 69% of models
Score components:

70%

7.5

Overall score

30%

7.2

Price

7.4
Split configuration
dual split
Cooling capacity
2.9 kW
Market range: <2.5 kW – >5.5 kW
This air conditioner delivers a cooling capacity of 2.9 kW, which is lower than that of 71.8% of air conditioners.
Indoor-unit capacity configuration
9000 + 12,000 BTU/h
Seasonal cooling efficiency (SEER)
6.9
Market range: <6 – >7.5
This air conditioner has a SEER rating of 6.9, which is higher than that of 75% of air conditioners and the same as that of 0.6% of air conditioners.
Seasonal heating efficiency (SCOP)
4
Market range: <4 – >5
This air conditioner has a SCOP rating of 4, which is higher than that of 4.4% of air conditioners and the same as that of 49.4% 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 and onboard controls
This air conditioner provides remote control and onboard controls physical controls, ahead of 83.2% of air conditioners and equal to 16.9%.
Show more

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

246810TotalPerformanceFeaturesDesign
  • 2 more fan speeds
    This air conditioner provides more fan speed options than the average air conditioner (5 vs 3).
    5 vs 3
  • 0.6 points higher seasonal cooling efficiency
    This air conditioner achieves a higher seasonal cooling efficiency (SEER) than the average air conditioner (6.9 vs 6.3).
    6.9 vs 6.3
  • Broader physical control options
    For physical control setup, this air conditioner lists remote control and onboard controls, while the average air conditioner lists remote control.
    remote control and onboard controls vs remote control
  • 25 m² larger room coverage
    This air conditioner covers a larger room area than the average air conditioner (60 m² vs 35 m²).
    60 m² vs 35 m²
  • 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
  • 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
  • 2.3% lighter indoor unit
    This air conditioner has a lighter indoor unit than the average air conditioner (8.5 kg vs 8.7 kg).
    8.5 kg vs 8.7 kg
  • 3.9% better value for money
    Daikin Siesta Classic Dual 9000+12000 BTU offers better value for money than the average air conditioner (7.4 vs 7.1).
    7.4 vs 7.12
  • 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
  • 3.9% better value for money
    Daikin Siesta Classic Dual 9000+12000 BTU offers better value for money than the average air conditioner (7.4 vs 7.1).
    7.4 vs 7.12
  • 31.6% cheaper
    Daikin Siesta Classic Dual 9000+12000 BTU is cheaper than the average air conditioner (£380 vs £500).
    £380 vs £500
  • 0.6 points higher seasonal cooling efficiency
    This air conditioner achieves a higher seasonal cooling efficiency (SEER) than the average air conditioner (6.9 vs 6.3).
    6.9 vs 6.3
  • 25 m² larger room coverage
    This air conditioner covers a larger room area than the average air conditioner (60 m² vs 35 m²).
    60 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
  • Broader physical control options
    For physical control setup, this air conditioner lists remote control and onboard controls, while the average air conditioner lists remote control.
    remote control and onboard controls vs remote control
  • 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
  • 2.3% lighter indoor unit
    This air conditioner has a lighter indoor unit than the average air conditioner (8.5 kg vs 8.7 kg).
    8.5 kg vs 8.7 kg
  • 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 voice control
    This air conditioner does not support voice control, while the average air conditioner supports voice control.
  • Does not support self-diagnostics
    This air conditioner does not support self-diagnostics, while the average air conditioner supports self-diagnostics.
  • 0.6 kW lower cooling capacity
    This air conditioner delivers a lower cooling capacity than the average air conditioner (2.9 kW vs 3.5 kW).
    2.9 kW vs 3.5 kW
  • No display
    This air conditioner has no display (no), while the average air conditioner does (yes).
  • Does not support an anti-mould function
    This air conditioner does not support an anti-mould function, while the average air conditioner supports an anti-mould function.
  • 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
  • 43 m³/h lower indoor-unit airflow
    This air conditioner delivers a lower indoor airflow rate than the average air conditioner (552 m³/h vs 595 m³/h).
    552 m³/h vs 595 m³/h
  • 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
  • 0.6 kW lower cooling capacity
    This air conditioner delivers a lower cooling capacity than the average air conditioner (2.9 kW vs 3.5 kW).
    2.9 kW vs 3.5 kW
  • 43 m³/h lower indoor-unit airflow
    This air conditioner delivers a lower indoor airflow rate than the average air conditioner (552 m³/h vs 595 m³/h).
    552 m³/h vs 595 m³/h
  • 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 self-diagnostics
    This air conditioner does not support self-diagnostics, while the average air conditioner supports self-diagnostics.
  • Does not support voice control
    This air conditioner does not support voice control, while the average air conditioner supports voice control.
  • Does not support an anti-mould function
    This air conditioner does not support an anti-mould function, while the average air conditioner supports an anti-mould function.
  • 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 is an inverter-driven split system air conditioner designed with an A++ energy efficiency rating and eco-friendly R-32 refrigerant, which reduces environmental impact by 68% compared to older systems. It is characterized by multi-split configurations (commonly 9,000 to 12,000 BTU/h), an ultra-quiet comfort mode operating as low as 20 dBA, an Econo mode that slashes standby power consumption by up to 80%, titanium/catechin air purification filters, and automatic restart features. Main advantages include highly efficient cooling and heating performance, exceptionally quiet indoor operation, and optional smart app controls; however, notable drawbacks include the lack of motorized left-to-right louver adjustments on standard models, its standing as a localized entry-level or mass-market iteration compared to premium Daikin lines, and the requirement of additional optional hardware for full Wi-Fi capability.

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