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. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW

    CU-4XU38YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW

    3x12000-1x24000 BTU
    S$5,439.00 U.P. S$6,526.80
    Add to Wish List
  2. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/4XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/4XCS-XU12BKZW

    CU-4XU38YBZ/4XCS-XU12BKZW

    4x12000 BTU
    S$5,349.00 U.P. S$6,418.80
    Add to Wish List
  3. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/1XCS-XU9BKZW/3XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/1XCS-XU9BKZW/3XCS-XU12BKZW

    CU-4XU38YBZ/1XCS-XU9BKZW/3XCS-XU12BKZW

    1X9000-3X12000 BTU
    S$5,299.00 U.P. S$6,358.80
    Add to Wish List
  4. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW

    CU-4XU38YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW

    2X9000-1X12000-1X24000 BTU
    S$5,349.00 U.P. S$6,418.80
    Add to Wish List
  5. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW

    CU-4XU38YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW

    2X9000-2X12000 BTU
    S$5,249.00 U.P. S$6,298.80
    Add to Wish List
  6. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW

    CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW

    3X9000-1X24000 BTU
    S$5,299.00 U.P. S$6,358.80
    Add to Wish List
  7. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW

    CU-4XU38YBZ/3XCS-XU9BKZW/1XCS-XU12BKZW

    3X9000-1X12000 BTU
    S$5,199.00 U.P. S$6,238.80
    Add to Wish List
  8. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/4XCS-XU9BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU38YBZ/4XCS-XU9BKZW

    CU-4XU38YBZ/4XCS-XU9BKZW

    4X9000 BTU
    S$5,159.00 U.P. S$6,190.80
    Add to Wish List
  9. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW

    CU-4XU33YBZ/3XCS-XU12BKZW/1XCS-XU24BKZW

    3x12000-1x24000 BTU
    S$4,789.00 U.P. S$5,746.80
    Add to Wish List
  10. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/4XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/4XCS-XU12BKZW

    CU-4XU33YBZ/4XCS-XU12BKZW

    4x12000 BTU
    S$4,689.00 U.P. S$5,626.80
    Add to Wish List
  11. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/1XCS-XU9BKZW/2XCS-XU12BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/1XCS-XU9BKZW/2XCS-XU12BKZW/1XCS-XU24BKZW

    CU-4XU33YBZ/1XCS-XU9BKZW/2XCS-XU12BKZW/1XCS-XU24BKZW

    1X9000-2X12000-1x24000 BTU
    S$4,739.00 U.P. S$5,686.80
    Add to Wish List
  12. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/1XCS-XU9BKZW/3XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/1XCS-XU9BKZW/3XCS-XU12BKZW

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

    1X9000-3X12000 BTU
    S$4,639.00 U.P. S$5,566.80
    Add to Wish List
  13. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW

    CU-4XU33YBZ/2XCS-XU9BKZW/1XCS-XU12BKZW/1XCS-XU24BKZW

    2X9000-1X12000-1X24000 BTU
    S$4,689.00 U.P. S$5,626.80
    Add to Wish List
  14. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW

    CU-4XU33YBZ/2XCS-XU9BKZW/2XCS-XU12BKZW

    2X9000-2X12000 BTU
    S$4,599.00 U.P. S$5,518.80
    Add to Wish List
  15. PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW
    PANASONIC SYSTEM 4 AIRCON - WIFI CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW

    CU-4XU33YBZ/3XCS-XU9BKZW/1XCS-XU24BKZW

    3X9000-1X24000 BTU
    S$4,639.00 U.P. S$5,566.80
    Add to Wish List
  16. 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
  17. 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
    Add to Wish List
  18. MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/3XDXK13YYS-W8/1XDXK24YYS-W8
    MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/3XDXK13YYS-W8/1XDXK24YYS-W8

    DXM40YS-W/3XDXK13YYS-W8/1XDXK24YYS-W8

    3X12000 & 1X24000 BTU

    Product Description

    The Mitsubishi Heavy System 4 Aircon is a powerful and efficient cooling solution designed for homes with multiple rooms. With its high cooling capacity and energy-efficient inverter technology, it ensures comfort while reducing energy costs. The system supports smart connectivity, allowing easy control and scheduling via Wi-Fi, and operates quietly to maintain a peaceful environment.

    Key Features

    • High Cooling Capacity: Offers a cooling capacity of up to 8.0kW, ensuring quick and efficient cooling for large spaces.
    • Energy Efficient: Equipped with inverter technology, this aircon minimizes energy consumption, reducing electricity bills.
    • Quiet Operation: Designed to operate quietly, providing a peaceful environment without compromising performance.
    • Smart Connectivity: Features Wi-Fi built-in for easy remote control and scheduling via smartphone.
    • Durable Design: Built with high-quality materials for long-lasting performance and reliability.
    • Flexible Installation: Can connect up to 4 indoor units, offering versatile installation options for various room configurations.

    Product Specifications

    • Cooling Capacity: 8.0kW (2.2-11.9kW range)
    • Power Consumption: 1.64kW
    • COP: 4.88W/W
    • Sound Pressure: 51dB(A)
    • Exterior Dimensions: 750x880x340mm (HeightxWidthxDepth)
    • Weight: 60.5kg
    • Connectable IDU: 1-4 units
    • Refrigerant Type: R32
    • Max Pipe Length: Total 70m/Each room 25m
    • Max Height Difference: ODU-IDU 20m/IDU-IDU 20m
    • Pipe Size (O.D): Liquid: 06.35x4 (1/4")mm, Gas: 09.52x4 (3/8")mm

    Ideal For

    This Mitsubishi Heavy System 4 Aircon is ideal for homeowners seeking efficient cooling solutions for multiple rooms. Perfect for families or individuals living in apartments or houses with multiple bedrooms, ensuring comfort throughout the home.

    In the Box

    • Outdoor Unit: DXM40YS-W
    • Indoor Units: 3x DXK13YYS-W8, 1x DXK24YYS-W8
    • Remote Controls
    • Installation Manual
    • Warranty Card
    S$5,139.00 U.P. S$6,166.80
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  19. MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8
    MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8

    DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8

    3X12000 & 1X18000 BTU

    Product Description

    The Mitsubishi Heavy Sys 4 Aircon DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8 offers efficient cooling for multiple rooms with its advanced inverter technology. Ideal for both residential and small office spaces, it ensures quiet operation and precise temperature control.

    Key Features

    • Energy Efficiency: Equipped with inverter technology for optimal energy savings.
    • Quiet Operation: Ensures a peaceful environment.
    • Multi-room Cooling: Efficiently cools multiple spaces with one outdoor unit.
    • Smart Technology: Includes features like Wi-Fi connectivity for remote control.
    • Compact Design: Fits seamlessly into any decor.
    • Advanced Technology: Enhances performance and reliability.

    Product Specifications

    • Cooling Capacity: 8.0kW (2.2-11.9kW range)
    • Power Consumption: 1.64kW
    • COP: 4.88W/W
    • Sound Pressure: 51dB(A)
    • Exterior Dimensions: 750x880x340mm (HeightxWidthxDepth)
    • Weight: 60.5kg
    • Connectable IDU: 1-4 units
    • Refrigerant Type: R32
    • Max Pipe Length: Total 70m/Each room 25m
    • Max Height Difference: ODU-IDU 20m/IDU-IDU 20m
    • Pipe Size (O.D): Liquid: 06.35x4 (1/4")mm, Gas: 09.52x4 (3/8")mm
    • Cooling Capacity (Indoor Unit DXK18YYS-W8): 5.0kW
    • Sound Pressure Level (Indoor Unit DXK18YYS-W8): Hi: 48 M: 40 L: 33 UL0: 23dB(A)
    • Airflow Rate (Indoor Unit DXK18YYS-W8): Hi: 14.8 M: 11.5 L: 8.9 UL0: 5.1m³/min
    • Fan Speed (Indoor Unit DXK18YYS-W8): 4 steps
    • Exterior Dimensions (Indoor Unit DXK18YYS-W8): 290x870x230mm (HeightxWidthxDepth)
    • Net Weight (Indoor Unit DXK18YYS-W8): 10.0kg
    • Cooling Capacity (Indoor Unit DXK13YYS-W8): 3.5kW
    • Sound Pressure Level (Indoor Unit DXK13YYS-W8): Hi: 47 M: 35 L: 30 UL0: 19dB(A)
    • Airflow Rate (Indoor Unit DXK13YYS-W8): Hi: 14.1 M: 9.9 L: 8.0 UL0: 4.3m³/min
    • Fan Speed (Indoor Unit DXK13YYS-W8): 4 steps
    • Exterior Dimensions (Indoor Unit DXK13YYS-W8): 290x870x230mm (HeightxWidthxDepth)
    • Net Weight (Indoor Unit DXK13YYS-W8): 10.0kg

    Ideal For

    Homeowners seeking energy-efficient cooling for multiple rooms, with a focus on quiet operation and precise temperature control. Suitable for both residential properties and small offices.

    In the Box

    • Outdoor Unit: DXM40YS-W
    • Indoor Units: 3x DXK13YYS-W8, 1x DXK18YYS-W8
    S$5,059.00 U.P. S$6,070.80
    Add to Wish List
  20. MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/4XDXK13YYS-W8
    MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/4XDXK13YYS-W8

    DXM40YS-W/4XDXK13YYS-W8

    4X12000 BTU

    Product Description

    The Mitsubishi Heavy System 4 Aircon DXM40YS-W/4XDXK13YYS-W8 is designed for efficient cooling in large spaces. With smart technology like Wi-Fi connectivity, it offers convenience and energy savings, making it ideal for multiple HDB rooms.

    Key Features

    • Wi-Fi Built-In: Control your aircon remotely for convenience and energy efficiency.
    • 3D Auto/Quiet Air: Enjoy a peaceful environment with advanced airflow technology.
    • Long Reach Higher Airflow: Ensures effective cooling across larger spaces.
    • 24-hr Ion Generator: Provides cleaner air by reducing pollutants.
    • Energy Efficient: NEA 5 Ticks for top-tier energy savings.
    • Smart Technology: Easily adjust temperatures and monitor energy usage.

    Product Specifications

    • Cooling Capacity: 8.0kW (2.2-11.9kW range)
    • Power Consumption: 1.64kW
    • COP: 4.88W/W
    • Sound Pressure: 51dB(A)
    • Exterior Dimensions: 750x880x340mm (HeightxWidthxDepth)
    • Weight: 60.5kg
    • Connectable IDU: 1-4 units
    • Refrigerant Type: R32
    • Max Pipe Length: Total 70m/Each room 25m
    • Max Height Difference: ODU-IDU 20m/IDU-IDU 20m
    • Pipe Size (O.D): Liquid: 06.35x4 (1/4")mm, Gas: 09.52x4 (3/8")mm
    • Sound Pressure Level: Hi: 47M: 35L: 30UL0: 19dB(A)
    • Airflow Rate: Hi: 14.1M: 9.9L: 8.0UL0: 4.3m³/min
    • Fan Speed: 4 steps
    • Exterior Dimensions: 290x870x230mm (HeightxWidthxDepth)
    • Net Weight: 10.0kg

    Ideal For

    This air conditioner is ideal for large living spaces or multiple HDB rooms, offering efficient cooling and energy savings.

    In the Box

    • Outdoor Unit: DXM40YS-W
    • Indoor Units: 4x DXK13YYS-W8
    S$4,919.00 U.P. S$5,902.80
    Add to Wish List

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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.