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S4-W18KL3AA component-copyModelName
Inverter AC, 1.5 Ton, White Color, Energy Saving & Fast Cooling
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Inverter AC, 1.5 Ton, White Color, Energy Saving & Fast Cooling
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The inner workings of the DUAL Inverter Compressor are visible through the almost invisible exterior. The inner workings of the DUAL Inverter Compressor are visible through the almost invisible exterior.
DUAL Inverter Compressor™

Efficient, Faster, Durable, Quieter

Powered by DUAL Inverter Compressor™ Technology.
The DUAL Inverter 10 Year Warranty logo.

10-Year Warranty

With a 10-year warranty on the compressor, it will keep performing at its best for longer.
*1 year parts and labor warranty, and additional 9 years extra warranty applicable on specific part only.
The TUV Rheinland logo.

Verified by TUV

LG inverter air conditioners(US-Q242K*) cools up to 40% more faster than LG non-inverter air conditioners(TS-H2465DAO). *Initial Temperature(Outdoor 35℃, Indoor 33℃), Setting Temperature(26℃).
A woman lounges on a sofa smiling as the air conditioner blows air above her. A woman lounges on a sofa smiling as the air conditioner blows air above her.

Save on Energy Bills and the Planet

Reduce your energy consumption and your electricity bill with more efficient cooling.
The TUV Rheinland logo.

Verified by TUV

LG inverter air conditioners(US-Q242K*) saves up to 70% more energy than LG non-inverter air conditioners(TS-H2465DAO). *Initial Temperature(Outdoor 35℃, Indoor 33℃), Setting Temperature(26℃), Testing Time (8 Hours).
A woman lounges on a couch in a living room with the LG air conditioner installed above her on the wall. A woman lounges on a couch in a living room with the LG air conditioner installed above her on the wall.

Good Work Goes Unnoticed

Don't get disturbed and sleep soundly with an air conditioner that makes less noise.
*According to LG internal test, LG DUAL Inverter air conditioner is less than 19dBA. (Model - V10API)
front view of the LG air conditioner with the exterior completely invisible so the inner workings of the machine can be seen. front view of the LG air conditioner with the exterior completely invisible so the inner workings of the machine can be seen.
Auto Cleaning

An Internal Clean that's Automatic

Automatically dries any moisture inside the air conditioner to ensure it's always clean.
An LG air conditioner is hanging at the top center of the image. An LG air conditioner is hanging at the top center of the image.

Fast, Powerful Cooling and Heating

Stay comfortable all year long, even in extreme climate, with our DUAL Inverter Compressor.
The LG air conditioner is installed on the wall and seen from the side angle. The LG air conditioner is installed on the wall and seen from the side angle.
Pre-Filter

Traps Big Dust from the Start

Traps big dust particles as the first line of defense.
The TUV Rheinland logo.

Verified by TUV

TUV has verified that the New model has 42% higher cooling performance 4 years later compared to the conventional model(Test condition: T3 condition, New model: I23TTB 14FPI* wide louver, Conventional model : I23TTB 18FPI louver). *FPI(Fin Per Inch) : Quantity of fins in a inch (1inch = 2.54cm)
  • Half of the LG air conditioner can be seen installed on the wall with the front door open indicating it's on.

    Easy-to-Monitor Energy Consumption

    The display keeps you informed so you can easily monitor and reduce energy consumption*. *Energy consumption during A/C operation.

  • A family sits on a couch in a living room with the LG air conditioner installed above them.

    Control 4 Levels of Energy Consumption

    Control energy consumption with 4 levels based on your needs, whether alone or with family.

  • The side view of the air conditioner can be seen on the wall.

    Quick and Easy Installation

    Enjoy cool air sooner with air conditioning that takes less time and effort to install.

  • A father and daughter sleep on a couch beneath an air conditioner that is blowing air out over them.

    A More Comfortable Sleeping Environment

    Experience the most comfortable sleeping environment with automatically adjusting functions*. *When the comfort sleep function is activated.

  • The LG fan that is outside of the house is shown with a dark lightning sky in the background.

    Safety Against Voltage Fluctuation

    No need to turn on the light to change mode of your air conditioner by applying GYRO sensor in the remote.

FAQ

Q.
What is the difference between an inverter air conditioner and a non-inverter air conditioner?
A.
The difference between inverter air conditioners and non-inverter air conditioners is the control of the compressor operating speed.Non-inverter air conditioners have compressors working at the same speed regardless of indoor temperature, turning off when the desired temperature is reached and turning on again when the temperature rises. Inverter air conditioners operate by adjusting the compressor speed faster at higher temperatures and slower at lower temperatures.
Dimensions
S4-W18KL3AA S4-W18KL3AA
Summary
  • Capacity
    1.5 Ton
  • Dimension
    837 x 308 x 189
  • MAIN TECHNOLOGY
    Energy Saving
  • ADDITIONAL BENEFIT
    Fast Cooling
BASIC SPECIFICATION
  • Capacity
    1.5 Ton
GENERAL
  • Capacity Cooling (Min/Rated/Max)(kW)
    0.9 / 3.5 / 4.03
    Capacity Cooling (Min/Rated/Max)(Btu/h)
    3,071 / 11,942 / 13,751
  • Capacity Heating (Min/Rated/Max)(kW)
    0.9 / 3.8 / 4.03
    Capacity Heating (Min/Rated/Max)(Btu/h)
    3,071 / 12,966 / 13,751
  • Power Input Cooling (Min/Rated/Max)(W)
    200 / 1,115 / 1,400
    Power Input Heating (Min/Rated/Max)(W)
    195 / 1,000 / 1,400
  • Running Current Cooling (Min/Rated/Max)(A)
    1.10 / 5.30 / 6.00
    Running Current Heating (Min/Rated/Max)(A)
    1.10 / 4.90 / 7.00
  • EER (W/W)
    3.14
    EER ((Btu/h)/W)
    10.71
  • COP (W/W)
    3.80
    COP ((Btu/h)/W)
    12.97
  • Power Supply (Ø, V, Hz)
    1, 220~240, 50
    Available Voltage Range (V)
    187 ~ 276
  • Power Factor - Cooling (%)
    93.4
    Power Factor - Heating (%)
    98.7
  • Moisture Removal (l/h)
    0.66
    Moisture Removal (pts/h)
    1.39
  • Air Flow Rate(Indoor) - Cooling, Max / H / M / L(㎥/min)
    13.0 / 8.5 / 6.5 / 5.8
    Air Flow Rate(Indoor) - Heating, Max / H / M / L(㎥/min)
    14.0 / 8.5 / 6.5 / 5.8
  • Sound Pressure Level(Indoor) - Cooling, Max / H / M / L / SL(dB(A))
    - / 42 / 34 / 26 / 22
    Sound Pressure Level(Indoor) - Heating, Max / H / M / L(dB(A))
    - / 42 / 34 / 26
  • Dimensions (W × H × D)(Indoor) - Net(mm)
    837 x 308 x 189
    Dimensions (W × H × D)(Indoor) - Shipping(mm)
    909 x 383 x 256
  • Operation Range(indoor) - Cooling(℃ DB)
    18 ~ 32
    Operation Range(indoor) - Heating(℃ DB)
    16 ~ 30
  • Circuit Breaker(A)
    15
    Power Supply Cable(No. × ㎟)
    3 x 1.0
  • Power Supply to Unit(-)
    Outdoor
    Refrigerant - Type
    R410A
  • Refrigerant - Control
    Electronic Expansion Valve
    Defrost Method
    Reverse Cycle
  • Compressor - Type
    Dual Inverter Compressor
COMPLIANCE INFORMATION
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*Prices, promotions and availability may vary by store and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for final price and availability.
With an air conditioning system from LG, you can efficiently heat or cool one room or one area of your home. Just a few features that make our air conditioning units among the best include:

Powerful Air Throw: Many of our air conditioning units feature powerful fans that allow you to feel cool breezes up to 12 meters away.

Step Control: To help you cool specific areas faster, our air conditioning systems allow you to adjust the horizontal vanes in an array of increments. Additionally, select units offer optional vertical louver controls, which allow you to adjust vertical louvers independently of the horizontal vanes. In addition, these advanced systems offer powerful air throw, allergy reduction filters and responsive step controls that allow you to direct the air as needed – and make the air in your home safer and healthier to breathe. For more options, browse our full range of air conditioning solutions– and discover our newest cooling innovations for residences and commercial properties.