Shop Efficient System 4 Aircons

Discover unbeatable deals and prices on our exclusive collection of inverter System 4 Aircon units, designed to provide efficient and powerful cooling in Singapore. Whether you have a large living space or multiple HDB rooms, our inverter System 4 Aircon units offer exceptional performance while maximising energy savings.

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  1. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X12GSJC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X12GSJC0

    Z4UQ28GFA0/3X09GSJC0/1X12GSJC0

    3X9000-1X12000 BTU
    S$4,279.00 U.P. S$5,134.80
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  2. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/2X12GSJC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/2X12GSJC0

    Z4UQ28GFA0/2X09GSJC0/2X12GSJC0

    2X9000-2X12000 BTU
    S$4,299.00 U.P. S$5,158.80
    Add to Wish List
  3. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/1X09GSJC0/3X12GSJC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/1X09GSJC0/3X12GSJC0

    Z4UQ28GFA0/1X09GSJC0/3X12GSJC0

    1X9000-3X12000 BTU
    S$4,309.00 U.P. S$5,170.80
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  4. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/4X12GSJC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/4X12GSJC0

    Z4UQ28GFA0/4X12GSJC0

    4X12000 BTU
    S$4,319.00 U.P. S$5,182.80
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  5. HAIER SYSTEM 4  AIRCON-5 TICKS 4U80SH1SRA/3XASW25S2SF2FA2/1XASW71S2SF2FA2
    HAIER SYSTEM 4 AIRCON-5 TICKS 4U80SH1SRA/3XASW25S2SF2FA2/1XASW71S2SF2FA2

    4U80SH1SRA/3XASW25S2SF2FA2/1XASW71S2SF2FA2

    3X9000-1X24000 BTU

    Product Description

    The Haier System 4 air conditioner offers energy efficient cooling with a sleek design. Ideal for homes, it provides quiet operation and easy installation, ensuring comfortable living.

    Key Features

    • Energy Efficiency: 5 ticks for superior energy saving.

    • Cooling Capacity: Designed for optimal comfort.

    • Low Noise Level: Operates quietly for tranquil environments.

    • Easy Installation: Quick and straightforward setup process.

    • Intelligent Design: Sleek and modern appearance.

    • Wide Coverage: Effective cooling in larger spaces.

    Product Specifications

    Specifications:

    • Capacity:

      • Cooling Capacity: 3X9000 1X24000 BTU

    • Features:

      • Airflow Type: 3D Airflow

      • Dehumidification: No

      • Auto Clean Function: No

      • Sleep Mode: No

      • Remote Control: Yes

      • Timer: No

    • Noise Level:

      • Indoor Unit: 19 dB(A)

    • Energy Efficiency:

      • Energy Star Rating: Yes

    • Connectivity:

      • WiFi Connectivity: Yes

      • Voice Assistant Support: No

    Ideal For

    Homeowners seeking energy efficient cooling solutions.

    In the Box

    • Indoor Unit

    • Outdoor Unit

    • Remote Control

    • User Manual

    • Installation Kit

    S$4,349.00 U.P. S$4,783.90
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  6. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X18GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X18GSKC0

    Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X18GSKC0

    2X9000-1X12000-1X18000 BTU
    S$4,349.00 U.P. S$5,218.80
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  7. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/1X09GSJC0/2X12GSJC0/1X18GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/1X09GSJC0/2X12GSJC0/1X18GSKC0

    Z4UQ28GFA0/1X09GSJC0/2X12GSJC0/1X18GSKC0

    1X9000-2X12000-1X18000 BTU
    S$4,369.00 U.P. S$5,242.80
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  8. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X12GSJC0/1X18GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X12GSJC0/1X18GSKC0

    Z4UQ28GFA0/3X12GSJC0/1X18GSKC0

    3X12000-1X18000 BTU
    S$4,379.00 U.P. S$5,254.80
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  9. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X24GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X24GSKC0

    Z4UQ28GFA0/3X09GSJC0/1X24GSKC0

    3X9000-1X24000 BTU
    S$4,379.00 U.P. S$5,254.80
    Add to Wish List
  10. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X24GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X24GSKC0

    Z4UQ28GFA0/2X09GSJC0/1X12GSJC0/1X24GSKC0

    2X9000-1X12000-1X24000 BTU
    S$4,399.00 U.P. S$5,278.80
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  11. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/2X18GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/2X09GSJC0/2X18GSKC0

    Z4UQ28GFA0/2X09GSJC0/2X18GSKC0

    2X9000-2X18000 BTU
    S$4,409.00 U.P. S$5,290.80
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  12. HAIER SYSTEM 4  AIRCON-5 TICKS 4U80SH1SRA/2XASW25S2SF2FA2/1XASW35/1XASW71
    HAIER SYSTEM 4 AIRCON-5 TICKS 4U80SH1SRA/2XASW25S2SF2FA2/1XASW35/1XASW71

    4U80SH1SRA/2XASW25S2SF2FA2/1XASW35/1XASW71

    2X9000-1X12000-1X24000 BTU
    S$4,419.00 U.P. S$4,860.90
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  13. HITACHI SYSTEM 4 AIRCON RAM-Z38C4MS/4XRAK-ZJ10CMS
    HITACHI SYSTEM 4 AIRCON RAM-Z38C4MS/4XRAK-ZJ10CMS

    RAM-Z38C4MS/4XRAK-ZJ10CMS

    4X9000 BTU

    Product Description

    The Hitachi System 4 Aircon RAM-Z38C4MS/4XRAK-ZJ10CMS offers powerful cooling for multiple rooms with its advanced Frost Wash technology and Nano Titanium Pre-Filter. Designed for energy efficiency and quiet operation, it is perfect for modern homes seeking comfort and style.

    Key Features

    • Energy Efficient: Equipped with R32 Refrigerant System for lower environmental impact.
    • Advanced Air Purification: Features Nano Titanium Pre-Filter for cleaner air.
    • Durable Design: Built with high-quality materials for long-lasting performance.
    • Frost Wash Technology: Ensures optimal cooling and easy maintenance.
    • Compact and Stylish: Sleek design fits seamlessly into any home decor.
    • Quiet Operation: Minimizes noise for a peaceful environment.

    Product Specifications

    • Capacity: 4x 9000 BTU
    • NEA TICK: 5 Ticks
    • Refrigerant System: R32
    • Other Features: Frost Wash, Nano Titanium Pre-Filter

    Ideal For

    The Hitachi System 4 Aircon RAM-Z38C4MS/4XRAK-ZJ10CMS is ideal for homeowners looking for efficient cooling solutions for multiple rooms. Perfect for families and individuals who value energy efficiency and advanced air purification.

    In the Box

    • Outdoor Unit: RAM-Z38C4MS
    • Indoor Units: 4x RAK-ZJ10CMS
    • Remote Controls
    • User Manual
    • Warranty Card
    S$4,469.00 U.P. S$5,362.80
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  14. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/4XCS-XU9BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/4XCS-XU9BKZW

    CU-4XU33YBZ/4XCS-XU9BKZW

    4X9000 BTU
    S$4,499.00 U.P. S$5,398.80
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  15. DAIKIN SYSTEM 4 AIRCON - WIFI MKM75ZVMG/4XCTKM25ZVMG
    DAIKIN SYSTEM 4 AIRCON - WIFI MKM75ZVMG/4XCTKM25ZVMG

    MKM75ZVMG/4XCTKM25ZVMG

    4X9000 BTU
    S$4,509.00 U.P. S$5,410.80
    Add to Wish List
  16. LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X18GSKC0
    LG SYSTEM 4 AIRCON - ALPHA Z4UQ28GFA0/3X09GSJC0/1X18GSKC0

    Z4UQ28GFA0/3X09GSJC0/1X18GSKC0

    3X9000-1X18000 BTU
    S$4,509.00 U.P. S$5,410.80
    Add to Wish List
  17. MITSUBISHI HEAVY SYS 4 AIRCON SCM80YSW/4XSRK10YVS
    MITSUBISHI HEAVY SYS 4 AIRCON SCM80YSW/4XSRK10YVS

    SCM80YSW/4XSRK10YVS

    4X9000 BTU

    Product Description

    The Mitsubishi Heavy Sys 4 Aircon SCM80YSW/4XSRK10YVS is a top-tier air conditioning system designed for optimal cooling efficiency and quiet operation. With its advanced filtration system and energy-saving features, it is perfect for creating a comfortable and healthy indoor environment.

    Key Features

    • Energy Efficiency: Boasts a 5-tick NEA rating, ensuring reduced energy consumption and lower electricity bills.
    • Powerful Cooling: Offers a cooling capacity of 8.0kW, perfect for maintaining a comfortable environment in larger spaces.
    • Quiet Operation: Designed with a sound pressure level as low as 19dB, ensuring a peaceful ambiance.
    • Advanced Filtration: Equipped with Nano Air and Allergen Clear Filters to ensure clean and healthy air circulation.
    • Flexible Installation: Connectable to up to 4 indoor units, providing versatile cooling solutions for different room configurations.
    • Durable Build: Constructed with high-quality materials for long-lasting performance and reliability.

    Product Specifications

    • SCM80YSW
      • Power Supply: 1 Phase, 220-240V, 50Hz
      • Cooling Capacity: 8.0(2.2~10.6)kW
      • Power Consumption: 1.64kW
      • COP: 4.88W/W
      • Sound Power: 61/54dB(A)
      • Exterior Dimension (HxWxD): 750x880x340mm
      • Net Weight: 61kg
      • Connectable No. of IDU: 1~4
      • Max Pipe Length (Total/Each Room): 70m/25m
      • Max Height Difference (ODU-IDU/IDU~IDU): 20m/25m
      • Refrigerant Type: R32
      • Pipe Size (O.D) Liquid: 06.35x4mm
      • Pipe Size (O.D) Gas: 09.52x4mm
    • SRK10YVS
      • Cooling Capacity: 2.5kW
      • Sound Pressure Level (Hi/Me/Lo/ULo): 39/31/22/19dB(A)
      • Airflow Rate (Hi/Me/Lo/ULO): 10.9/8.4/5.3/4.7m³/min
      • Fan Speed: 4 steps
      • Pipe Size (Liquid): 6.35mm
      • Pipe Size (Gas): 9.52mm
      • Exterior Dimension (HxWxD): 290x870x230mm
      • Net Weight: 10kg

    Ideal For

    The Mitsubishi Heavy Sys 4 Aircon SCM80YSW/4XSRK10YVS is ideal for homeowners seeking efficient cooling solutions for multiple rooms. Perfect for those who value energy efficiency and quiet operation in their living spaces.

    In the Box

    • Outdoor Unit: SCM80YSW
    • Indoor Units: 4x SRK10YVS
    S$4,519.00 U.P. S$5,422.80
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  18. HITACHI SYSTEM 4 AIRCON RAM-Z38C4MS/3XRAK-ZJ10CMS/1XRAK-ZJ13CMS
    HITACHI SYSTEM 4 AIRCON RAM-Z38C4MS/3XRAK-ZJ10CMS/1XRAK-ZJ13CMS

    RAM-Z38C4MS/3XRAK-ZJ10CMS/1XRAK-ZJ13CMS

    3X9000 & 1X12000 BTU

    Product Description

    The Hitachi System 4 Aircon RAM-Z38C4MS/3XRAK-ZJ10CMS/1XRAK-ZJ13CMS is a top-tier cooling solution designed for efficiency and comfort. With its advanced features like Frost Wash and Nano Titanium Pre-Filter, it ensures clean and fresh air in every corner of your home or office. Its energy-efficient design and quiet operation make it a perfect choice for those seeking both performance and peace of mind.

    Key Features

    • Efficient Cooling: Equipped with a powerful compressor, this aircon ensures rapid and consistent cooling across all rooms.
    • Energy Saving: Features a 5-tick energy efficiency rating, helping you save on electricity bills.
    • Advanced Filtration: Nano Titanium Pre-Filter removes dust and allergens, ensuring clean air circulation.
    • Durable Design: Built with high-quality materials for long-lasting performance and reliability.
    • Quiet Operation: Designed to operate with minimal noise, ensuring a peaceful environment.
    • Smart Control: Comes with easy-to-use remote controls for convenient operation.

    Product Specifications

    • Capacity: 3x 9000 BTU & 1x 12000 BTU
    • Energy Efficiency: 5 Ticks
    • Refrigerant: R32
    • Features: Frost Wash, Nano Titanium Pre-Filter
    • Warranty: 1 Year

    Ideal For

    The Hitachi System 4 Aircon is ideal for families and businesses looking for efficient and reliable cooling solutions. Perfect for homes with multiple rooms or office spaces requiring consistent climate control.

    In the Box

    • Outdoor Unit: RAM-Z38C4MS
    • Indoor Units: 3x RAK-ZJ10CMS, 1x RAK-ZJ13CMS
    • Remote Controls
    • Installation Manual
    • Warranty Card
    S$4,539.00 U.P. S$5,446.80
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  19. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW

    CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW

    3X9000-1X12000 BTU
    S$4,549.00 U.P. S$5,458.80
    Add to Wish List
  20. DAIKIN SYSTEM 4 AIRCON - WIFI MKM75ZVMG/3XCTKM25ZVMG/1XCTKM35ZVMG
    DAIKIN SYSTEM 4 AIRCON - WIFI MKM75ZVMG/3XCTKM25ZVMG/1XCTKM35ZVMG

    MKM75ZVMG/3XCTKM25ZVMG/1XCTKM35ZVMG

    3X9000 & 1X12000 BTU
    S$4,559.00 U.P. S$5,470.80
    Add to Wish List

Items 21-40 of 258

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Features of System 4 Aircons

Cool Multiple Rooms with One Outdoor Unit

System 4 air conditioners are designed for efficiency and convenience. With a single outdoor aircon unit powering up to 4 indoor units, you can cool multiple rooms while minimising installation costs and saving valuable space.

Smart Technology

Many System 4 Aircon models enhance your comfort with smart technology like Wi-Fi connectivity. Adjust temperatures, set schedules, and monitor energy usage in your HDB home with ease.

Why Choose Gain City for Your System 4 Aircon?

Whether you’re purchasing a System 4 Aircon for a HDB home, a landed property, or an office space, Gain City is your trusted partner for all your air conditioning needs.

  • We offer an extensive range of System 4 Aircons from top brands like Daikin, Mitsubishi, Toshiba, Samsung, Panasonic, and more.
  • We offer competitive prices for System 4 Aircons in Singapore to ensure you get the best value for your investment.

Installation Guide & Maintenance Tips for Your System 4 Aircons

Professional Installation Services

Gain City provides expert installation services for your System 4 aircon, ensuring that it’s set up correctly for optimal performance. Our certified technicians use high-quality materials, such as durable copper piping and insulation, to ensure long-term reliability and safety. 

Warranty and Aftercare

Gain City offers comprehensive warranty plans for System 4 aircons, covering mechanical and electrical defects for up to 8 years, protection against accidental damage and coverage for power surges. 

Maintenance Tips

To keep your System 4 aircon performing efficiently, schedule regular servicing at least every three months. Cleaning the filters, checking for leaks, and ensuring proper airflow are essential tasks to maintain optimal performance. 

Frequently Asked Questions About System 4 Aircons

What system air conditioner should I choose for my house?

The right aircon system depends on the number of rooms you need to cool and their size. Careful consideration of factors including the room size, ceiling height and window size are required in selecting the appropriate BTU rating. System 4 aircons are ideal for 4 rooms and can effectively cool most HDB flats. 

What is the average price of System 4 Aircon in Singapore?

The average price of a System 4 Aircon in Singapore can range from $4,000 to $6,000 or more.

How much space can a System 4 Aircon cool?

A System 4 Aircon can typically cool 3-4 HDB rooms, depending on their size and layout. The total area it can cool effectively depends on the BTU capacity of the system and the individual units.

How often should I service my System 4 Aircon?

It's recommended to service your System 4 Aircon at least twice a year. Regular servicing ensures optimal performance, energy efficiency, and prolongs the lifespan of your system.