Powerful cooling for scorching days. Stay cool with LG DUALCOOL even in hot climate(T3) condition.
*In order to pass the T3 condition, the air conditioner must be operated continuously for 2 hours at 52℃.
*The product image is for illustrative purposes.
*10-year warranty is applied for the inverter compressor part only.
1) Test Period : Sep. 27, 2023 ~ Oct. 9, 2023
2) Testing Laboratory: TUV Rheinland / CCIC (Ningbo) Co., Ltd.
3) Test Conditions
- Temperature of air entering indoor side(dry-bulb / wet-bulb) : 32℃ / 23℃
- Temperature of air entering indoor side(dry-bulb / wet-bulb) : 52℃ / 31℃
- Frequency : 50Hz
- Voltage : 187V / 276V
4) Test Model : ART12ALG, ART18ALG, ART22ALG
5) Testing Specification : ISO 5151:2017+A1
6) Testing Mode: Maximum Cooling mode
7) Results : Units operate continuously at an outside ambient temperature of 52°C (125.6 °F) for at least 2 hours without tripping.
8) Test Report no. : CN238XIU 001
9) Actual performance may differ in actual usage environments
ac-certified-installation
*Residential Air Conditioners have five Years Warranty for the whole set.
*Normal Compressor has five years Warranty.
*Inverter Compressor has ten years Warranty.
*Product Shelf Life time is 7 years from warranty activation date.
*Please Contact Our Live Chat or our Call Center, to get the appropriate Product Capacity.
**If you buy a product that does not match your room specifications, it will not be installed.
Simple and Slim Design with Hidden Display
Quick and Easy Installation
Comfort Sleep mode ensures the utmost comfort sleep environment by automatically adjusting 3 different functions(Indirect airflow/7hr off time set/Soft wind & sleep time logic) ,with the simple click of one button.
The comprehensive auto cleaning function prevents the forming of bacteria and mold on the heat exchanger and thus provides a more pleasant and comfortable environment for the user.
The Gold Fin™ ensures that the surface is more resistant to corrosion and enhances the durability of heat exchanger for a much longer period.
Jet Dry technology places priority in dehumidification for areas with high humidity levels to keep your room dry and fresh.
How can I manage electricity usage when using an air conditioner?
Electricity usage can vary depending on room conditions and how the air conditioner is operated. Adjusting cooling settings and maintaining clean filters can help manage energy use effectively. LG DUALCOOL AC features Active Energy Control, allowing you to adjust power usage in four levels based on your needs. This helps you manage electricity consumption flexibly according to room conditions and occupancy.
How does LG DUALCOOL cool my room faster?
LG DUALCOOL features a DUAL Inverter Compressor™ that adjusts its speed based on room conditions, instead of repeatedly turning on and off like conventional compressors. This allows the system to operate at higher speeds when rapid cooling is needed, helping deliver up to 40% faster cooling. By maintaining a more stable operation, it also supports efficient energy use while helping your room reach the desired temperature.
If cooling is faster, does that mean the air conditioner will be noisier?
Faster cooling can often be associated with higher operating noise, especially in systems that repeatedly turn on and off at fixed speeds. LG DUALCOOL AC features a DUAL Inverter Compressor™ that adjusts its speed smoothly based on cooling demand. This allows the unit to deliver fast cooling while helping reduce unnecessary noise from abrupt operation. As a result, it helps maintain a comfortable indoor environment with balanced cooling performance and quiet operation.
GENERAL - Product Type
Wall Mounted
GENERAL - Cooling Capacity Max(W)
3870
GENERAL - Heating Capacity Max(W)
4040
GENERAL - Cooling Power Consumption Rated/Min(W)
1150 / 140
Energy Saving - Energy Grade
N/A
Airflow direction control (up & down)
Yes
Fan Speed
6 Steps
Power Cooling
Yes
Comfort Air
Yes
Launching Month (YYYY-MM)
2025-06
Manufacturer (Importer)
LG Electronics
Product Model Name
S4-W12JA3AE
Product Type & Model Name
S4-W12JA3AE
Auto Restart
Yes
Fan Mode
Yes
Forced Switch Operation
Yes
Remote Controller
Yes
Reservation
Yes
Smart Diagnosis
Yes
Energy Grade
N/A
Energy Display
Yes
Display
88 Hidden
Fine Dust Filter
N/A
Ultra Fine Dust Filter
N/A
Power Heating
Yes
Auto Cleaning
Yes
Outdoor Unit Model Name
S4UW12JA3AE
Cooling Capacity Max(W)
3870
Cooling Capacity Rated/Min(W)
3370 / 880
Cooling Power Consumption Rated/Min(W)
1150 / 140
Heating Capacity Max(W)
4040
Heating Capacity Rated/Min(W)
3520 / 3000
Heating Consumption Power Rated/Min(W)
1050 / 140
HVAC Type
H/P
Indoor Unit Dimension_WxHxD(mm)
837x308x189
Indoor Unit Weight(kg)
8.0
Outdoor Unit Dimension_WxHxD(mm)
717x495x230
Outdoor Unit Weight(kg)
24.0
Product Type
Wall Mounted
Product Type II
Inverter
Rated Input Voltage(V, Hz)
220, 50
Refrigerant Type
R410A
Cooling Capacity Rated(BTU/h)
11500
Heating Capacity Rated(BTU/h)
12000
Dehumidification
Yes
PI485 Module
N/A
Dry Contact
N/A
Wired Remote Controller
N/A
Download product manuals and latest software for your product.
Find helpful how-to videos for your product.
Check your product warranty information here.
Find an LG authorized service center near you
Registering your product will help you get faster support.
Find manual, troubleshoot and warranty of your LG product.
Track your order and check order FAQ.
Request repair service conveniently online.
Calculate the right AC capacity for your room https://www.lg.com/eg_en/products/air-conditioners/calculate/
Enjoy free delivery and installation service when you order from our website
Your email has been successfully registered.
The restocking notification has already been updated.
Add items to your MY LG wishlist
OTP authentication failed. Please verify your mobile number to use for mobile OTP login.
The URL has been copied to the clipboard.
