Free Delivery On Orders Over $180 
Same Day Delivery 
Click & Collect 
Installment Payment 
Store Locations 
eGift Card 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.
-
MIDEA SYSTEM 4 AIRCON MEZ-5M42E/2XMEZID-09/1XMEZID-12/1XMEZID-24MEZ-5M42E/2XMEZID-09/1XMEZID-12/1XMEZID-24
2x9000, 1x12000, 1x24000 BTUAdd to Wish ListS$5,149.00 U.P. S$6,178.80 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/2XMSXY-FP10VG/2XMSXY-FP18VGMXY-4H33VG/2XMSXY-FP10VG/2XMSXY-FP18VG
2X9000 & 2X18000 BTUAdd to Wish ListS$5,149.00 U.P. S$5,663.90 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/1XAJ009DBAPKFSP/3XAJ018DBAPKFSPAJ070DCJ4KFSP/1XAJ009DBAPKFSP/3XAJ018DBAPKFSP
1X9000 & 3X18000 BTUAdd to Wish ListS$5,159.00 U.P. S$5,765.00 -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/2XAJ009DBAPKFSP/1XAJ018DB/1XAJ024DBAJ070DCJ4KFSP/2XAJ009DBAPKFSP/1XAJ018DB/1XAJ024DB
2X12000, 1X18000 & 1X24000 BTUAdd to Wish ListS$5,159.00 U.P. S$5,695.00 -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/2XMSXY-FP10VG/1XMSXY-FP18VG/1XMSXY-FP20MXY-4H33VG/2XMSXY-FP10VG/1XMSXY-FP18VG/1XMSXY-FP20
2X9000, 1X18000 & 1X20000 BTUAdd to Wish ListS$5,169.00 U.P. S$5,685.90 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-1XRASM10U2KCVGSG1-3XRASM13U2KCVGSGRAS4M41U2ACVGSG-1XRASM10U2KCVGSG1-3XRASM13U2KCVGSG
1X10000-3X13000 BTUAdd to Wish ListS$5,169.00 U.P. S$6,202.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-2XRASM10-1XRASM13-1XRASM18U2KCVGSGRAS4M41U2ACVGSG-2XRASM10-1XRASM13-1XRASM18U2KCVGSG
2X10000-1X13000-1X18000 BTUAdd to Wish ListS$5,169.00 U.P. S$6,202.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-3XRASM10U2KCVGSG1-1XRASM24U2KCVGSGRAS4M41U2ACVGSG-3XRASM10U2KCVGSG1-1XRASM24U2KCVGSG
3X10000-1X24000 BTUAdd to Wish ListS$5,169.00 U.P. S$6,202.80 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/1XMSXY-FP10VG/2XMSXY-FP13VG/1XMSXY-FP18MXY-4H33VG/1XMSXY-FP10VG/2XMSXY-FP13VG/1XMSXY-FP18
1X9000, 2X12000 & 1X18000 BTUAdd to Wish ListS$5,169.00 U.P. S$5,685.90 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/2XMSXY-FP10VG/1XMSXY-FP13VG/1XMSXY-FP24MXY-4H33VG/2XMSXY-FP10VG/1XMSXY-FP13VG/1XMSXY-FP24
2X9000, 1X12000 & 1X24000 BTUAdd to Wish ListS$5,169.00 U.P. S$5,685.90 $45 OFF EVERY $450 SPENT -
MITSUBISHI HEAVY SYS 4 AIRCON SCM40YSW/3XSRK10YYS/1XSRK18YYSSCM40YSW/3XSRK10YYS/1XSRK18YYS
3X9000 & 1X18000 BTUAdd to Wish ListS$5,179.00 U.P. S$6,214.80 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/3XAJ012DBAPKFSP/1XAJ024DBAPKFSPAJ070DCJ4KFSP/3XAJ012DBAPKFSP/1XAJ024DBAPKFSP
3X12000 & 1X24000 BTUAdd to Wish ListS$5,179.00 U.P. S$5,660.00 -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/4XMSXY-FP13VGMXY-4H33VG/4XMSXY-FP13VG
4X12000 BTUAdd to Wish ListS$5,189.00 U.P. S$5,707.90 $45 OFF EVERY $450 SPENT -
MITSUBISHI HEAVY SYS 4 AIRCON DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8DXM40YS-W/3XDXK13YYS-W8/1XDXK18YYS-W8
3X12000 & 1X18000 BTUAdd to Wish ListS$5,199.00 U.P. S$6,238.80 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/1XAJ009DB/1XAJ012/1XAJ018/1XAJ024AJ070DCJ4KFSP/1XAJ009DB/1XAJ012/1XAJ018/1XAJ024
1X9000, 1X12000, 1X18000 & 1X24000 BTUAdd to Wish ListS$5,199.00 U.P. S$5,740.00 -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/1XAJ012DBAPKFSP/3XAJ018DBAPKFSPAJ070DCJ4KFSP/1XAJ012DBAPKFSP/3XAJ018DBAPKFSP
1X12000 & 3X18000 BTUAdd to Wish ListS$5,199.00 U.P. S$5,810.00 -
MITSUBISHI HEAVY SYS 4 AIRCON SCM40YSW/2XSRK10YYS/2XSRK13YYSSCM40YSW/2XSRK10YYS/2XSRK13YYS
2X9000 & 2X12000 BTUAdd to Wish ListS$5,209.00 U.P. S$6,250.80 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/1XMSXY-FP10VG/1XMSXY-FP13VG/2XMSXY-FP18MXY-4H33VG/1XMSXY-FP10VG/1XMSXY-FP13VG/2XMSXY-FP18
1X9000, 1X12000 & 2X18000 BTUAdd to Wish ListS$5,209.00 U.P. S$5,729.90 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-2XRASM10U2KCVGSG1-2XRASM18U2KCVGSGRAS4M41U2ACVGSG-2XRASM10U2KCVGSG1-2XRASM18U2KCVGSG
2X10000-2X18000 BTUAdd to Wish ListS$5,219.00 U.P. S$6,262.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-4XRASM13U2KCVGSG1RAS4M41U2ACVGSG-4XRASM13U2KCVGSG1
4X13000 BTUAdd to Wish ListS$5,219.00 U.P. S$6,262.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-1XRASM10-2XRASM13-1XRASM18U2KCVGSGRAS4M41U2ACVGSG-1XRASM10-2XRASM13-1XRASM18U2KCVGSG
1X10000-2X13000-1X18000 BTUAdd to Wish ListS$5,219.00 U.P. S$6,262.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-2XRASM10-1XRASM13-1XRASM24U2KCVGSGRAS4M41U2ACVGSG-2XRASM10-1XRASM13-1XRASM24U2KCVGSG
2X10000-1X13000-1X24000 BTUAdd to Wish ListS$5,219.00 U.P. S$6,262.80 $45 OFF EVERY $450 SPENT -
TOSHIBA SYSTEM 4 AIRCON RAS4M41U2ACVGSG-3XRASM10U2KCVGSG1-1XRASM26U2KCVGSGRAS4M41U2ACVGSG-3XRASM10U2KCVGSG1-1XRASM26U2KCVGSG
3X10000-1X26000 BTUAdd to Wish ListS$5,219.00 U.P. S$6,262.80 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/2XAJ012DBAPKFSP/1XAJ018DB/1XAJ024DBAJ070DCJ4KFSP/2XAJ012DBAPKFSP/1XAJ018DB/1XAJ024DB
2X12000, 1X18000 & 1X24000 BTUAdd to Wish ListS$5,229.00 U.P. S$5,785.00 -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/3XMSXY-FP13VG/1XMSXY-FP18VGMXY-4H33VG/3XMSXY-FP13VG/1XMSXY-FP18VG
3X12000 & 1X18000 BTUAdd to Wish ListS$5,229.00 U.P. S$5,751.90 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/1XMSXY-FP10VG/2XMSXY-FP13VG/1XMSXY-FP24MXY-4H33VG/1XMSXY-FP10VG/2XMSXY-FP13VG/1XMSXY-FP24
1X9000, 2X12000 & 1X24000 BTUAdd to Wish ListS$5,229.00 U.P. S$5,751.90 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/2XAJ009DBAPKFSP/2XAJ024DBAPKFSPAJ070DCJ4KFSP/2XAJ009DBAPKFSP/2XAJ024DBAPKFSP
2X9000 & 2X24000 BTUAdd to Wish ListS$5,239.00 U.P. S$5,795.00 -
MITSUBISHI HEAVY SYS 4 AIRCON SCM40YSW/2XSRK10YYS/1XSRK13YYS/1XSRK18YYSSCM40YSW/2XSRK10YYS/1XSRK13YYS/1XSRK18YYS
2X9000,1X12000 & 1X18000 BTUAdd to Wish ListS$5,249.00 U.P. S$6,298.80 $45 OFF EVERY $450 SPENT -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/3XMSXY-FP13VG/1XMSXY-FP20VGMXY-4H33VG/3XMSXY-FP13VG/1XMSXY-FP20VG
3X12000 & 1X20000 BTUAdd to Wish ListS$5,249.00 U.P. S$5,773.90 $45 OFF EVERY $450 SPENT -
SAMSUNG SYSTEM 4 AIRCON AJ070DCJ4KFSP/1XAJ009DBAPKFSP/2XAJ018DB/1XAJ024DBAJ070DCJ4KFSP/1XAJ009DBAPKFSP/2XAJ018DB/1XAJ024DB
1X9000, 2X12000 & 1X18000 BTUAdd to Wish ListS$5,249.00 U.P. S$5,865.00 -
MITSUBISHI SYSTEM 4 AIRCON MXY-4H33VG/2XMSXY-FP13VG/2XMSXY-FP18VGMXY-4H33VG/2XMSXY-FP13VG/2XMSXY-FP18VG
2X12000 & 2X18000 BTUAdd to Wish ListS$5,269.00 U.P. S$5,795.90 $45 OFF EVERY $450 SPENT -
DAIKIN SYSTEM 4 AIRCON MKM100ZVMG/4XCTKM25ZVMGMKM100ZVMG/4XCTKM25ZVMG
4X9000 BTUAdd to Wish ListS$5,279.00 U.P. S$6,334.80
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.