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12,000 BTU | LG DUALCOOL™ Inverter AC | UVnano™| ThinQ™

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12,000 BTU | LG DUALCOOL™ Inverter AC | UVnano™| ThinQ™
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A video shows the front view of the air conditioner installed on a wall. The front of the machine is see through and it turns on to show the inner workings. The fans are highlighted blue to show the UV LED light that removes bacteria. Air blows out of the machine. The UVnano logo is in the bottom right corner. A video shows the front view of the air conditioner installed on a wall. The front of the machine is see through and it turns on to show the inner workings. The fans are highlighted blue to show the UV LED light that removes bacteria. Air blows out of the machine. The UVnano logo is in the bottom right corner.
UVnano™

A Clean Fan for a Clean Breeze

Removes 99.99%* of bacteria with UV LED light to keep the wind-generating fan clean and fresh.
The TUV Rheinland logo with two dots beneath the logo. The first dot is highlighted indicating this is the first of two images.

Verified by TUV

*TUV has verified that 99.99% of Staphylococcus aureus, Staphylococcus epidermidis, and Klebsiella pneumoniae were removed from the air conditioner blower fan after being exposed to 4 hours of UV LED lights.
The KCL logo with two dots beneath the logo. The second dot is highlighted indicating this is the second of two images.

Verified by KTR

*KTR has verified that 99.99% of Staphylococcus aureus, Staphylococcus epidermidis, and Klebsiella pneumoniae were removed from the air conditioner blower fan after being exposed to 4 hours of UV LED lights.
Plasmaster™Ionizer+

Leaves Your Space Clean from Bacteria

Removes 99%* of adhering bacteria and deodorizes**.
A play/pause button on the bottom indicates this is a video. A woman stretches back smiling on a couch. An LG air conditioner on the wall above her blows out air. Bubbles with plus and minus signs move through the air due to the Plastmaster Ionizer. There is a circle with a magnified view of the plus minus ion bubbles surrounding bacteria and deoderizing it. The Plasmaster Ionizer logo can be seen in the corner of the image. A play/pause button on the bottom indicates this is a video. A woman stretches back smiling on a couch. An LG air conditioner on the wall above her blows out air. Bubbles with plus and minus signs move through the air due to the Plastmaster Ionizer. There is a circle with a magnified view of the plus minus ion bubbles surrounding bacteria and deoderizing it. The Plasmaster Ionizer logo can be seen in the corner of the image.

The TUV Rheinland logo.

Verified by TUV

*TUV has verified to remove 99% of 3 kinds of adhering bacteria(Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa).
The Intertek logo.

Verified by Intertek

**Intertek has verified that tobacco adhesive odor intensity is reduced from 3.6 to under 1.5 after 60 minutes. (Toluene, Ammonia, Acetic acid)
A woman is stretching on the floor. In the background is the air conditioner and blue air flows out over the woman and the room. The Dual Inverter logo is in the bottom right corner. A woman is stretching on the floor. In the background is the air conditioner and blue air flows out over the woman and the room. The Dual Inverter logo is in the bottom right corner.

Faster Cooling, Faster Comfort

Get comfortably cool faster with the LG DUAL
Inverter Compressor™.
There is a snowy mountain landscape in the background. The front view of the air conditioner is in the foreground and air blows out of the machine. The LG logo is in the center of the machine with the Dual Inverter logo, ThinQ logo and Dual Inverter 10 Year Warranty logo visible on the sides of the front. The air quality panel is lit up in green on the right side. The Dual Inverter logo is in the bottom right of the video. There is a snowy mountain landscape in the background. The front view of the air conditioner is in the foreground and air blows out of the machine. The LG logo is in the center of the machine with the Dual Inverter logo, ThinQ logo and Dual Inverter 10 Year Warranty logo visible on the sides of the front. The air quality panel is lit up in green on the right side. The Dual Inverter logo is in the bottom right of the video.

Faster Cooling, Faster Comfort

Get comfortably cool faster with the LG DUAL Inverter Compressor™.
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. To the right of the woman is the Dual Inverter logo and an image of the Dual Dual Inverter. Further to the right is a bar graph. The bars go up indicating more money spent and then go down to show that the dual inverter saves customers money. A woman lounges on a sofa smiling as the air conditioner blows air above her. To the right of the woman is the Dual Inverter logo and an image of the Dual Dual Inverter. Further to the right is a bar graph. The bars go up indicating more money spent and then go down to show that the dual inverter saves customers money.

Save on Energy Bills and the Planet

Reduce your energy consumption and your electricity bill with more efficient cooling.
A forest landscape is in the background with half of the LG air conditioner visible on the side. The LG logo and Dual Inverter logo can be seen on the machine with the air quality panel lit up green. In front of the air conditioner in the air blowing out are three icons indicating clean air, money, and energy. To the right of the machine is the Dual Inverter logo and an image of the Dual Dual Inverter. Further to the right is a bar graph. The bars go up indicating more money spent and then go down to show that the dual inverter saves customers money. A forest landscape is in the background with half of the LG air conditioner visible on the side. The LG logo and Dual Inverter logo can be seen on the machine with the air quality panel lit up green. In front of the air conditioner in the air blowing out are three icons indicating clean air, money, and energy. To the right of the machine is the Dual Inverter logo and an image of the Dual Dual Inverter. Further to the right is a bar graph. The bars go up indicating more money spent and then go down to show that the dual inverter saves customers money.

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. Blue streams of air are on the image to indicate it is on and cooling the room. A woman lounges on a couch in a living room with the LG air conditioner installed above her on the wall. Blue streams of air are on the image to indicate it is on and cooling the room.

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)
The inner workings of the DUAL Inverter Compressor are visible through the almost invisible exterior. Nearby is the DUAL Inverter logo and two icons representing the fan and the compressor. The inner workings of the DUAL Inverter Compressor are visible through the almost invisible exterior. Nearby is the DUAL Inverter logo and two icons representing the fan and the compressor.
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.
The front view of the LG air conditioner with the exterior completely invisible so the inner workings of the machine can be seen. The machine is working and then a blue light, the auto cleaning mechanism, turns on and washes across the machine with a blue light. The AutoCleaning logo is in the upper right corner. The front view of the LG air conditioner with the exterior completely invisible so the inner workings of the machine can be seen. The machine is working and then a blue light, the auto cleaning mechanism, turns on and washes across the machine with a blue light. The AutoCleaning logo is in the upper right corner.
Auto Cleaning

An Internal Clean that's Automatic

Automatically dries any moisture inside the air conditioner to ensure it's always clean.

Smart Control, Smarter Life

LEARN MORE ABOUT THINQ
A still image shows a woman sitting on a couch with a remote control in her hand pointed up toward the air conditioner. Beneath the air conditioner is a circle with "0.6" and a battery with the letters "GEN" inside. The front view of the remote appears on the picture and the screen lights up as the buttons are pushed. The mode is changed and now the circle indicates the Gen Mode is "0.8". The button is pushed again and the Gen Mode becomes "1.0" in the circle above. The remote control buttons are pressed another tmie and the circle now says just "21" without the "GEN" battery icon. There is a GenMode+ icon in the corner. A still image shows a woman sitting on a couch with a remote control in her hand pointed up toward the air conditioner. Beneath the air conditioner is a circle with "0.6" and a battery with the letters "GEN" inside. The front view of the remote appears on the picture and the screen lights up as the buttons are pushed. The mode is changed and now the circle indicates the Gen Mode is "0.8". The button is pushed again and the Gen Mode becomes "1.0" in the circle above. The remote control buttons are pressed another tmie and the circle now says just "21" without the "GEN" battery icon. There is a GenMode+ icon in the corner.
Gen Mode+™

Stay in Cool at any condition with Gen Mode+™

Control your air conditioner using 3 steps of power level in upgraded GEN Mode.
*It may vary depending on usage environment.
Enjoy long lasting performance with anti-corrosive gold coating and upgraded fin technology verified from TUV. Enjoy long lasting performance with anti-corrosive gold coating and upgraded fin technology verified from TUV.
Anti-Dust Gold Fin™

Advanced Long Lasting Performance

Enjoy long lasting performance with anti-corrosive gold coating and upgraded fin technology verified from TUV.
*It may vary depending on usage environment.
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)
  • The side view of the air conditioner can be seen on the wall. Two hands are reaching up, one holding a tool, showing the ease of installation.

    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.

  • A dark image of a bed at night shows the air conditioner installed on the wall and blue air blowing out over the bed. In the foreground is the front of the remote control showing the buttons and temperature as they are highlighted in blue for easy viewing in the dark.

    Easy Control in Dark

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

  • The LG fan that is outside of the house is shown with a dark lightning sky in the background. The LG Logo can be seen on the side of the engine.

    Safety Against Voltage Fluctuation

    Enjoy a durable air conditioner with an ability to withstand voltage fluctuation*. *LG Internally tested "rated voltage ± 30%" fluctuation and it may vary depending by environment.

Dimensions
S4-Q12JA2TB S4-Q12JA2TB
Summary
  • Capacity
    13600 BTU
  • Dimensions (W X H X D)
    837 x 308 x 189
  • Compressor
    Inverter Compressor With 10 Year Warranty
  • Feature
    DUAL Inverter Compressor™
CONVENIENCE
  • Remote Controller
    Yes (Wireless LCD Remote)
GENERAL
  • Cooling Capacity Max(W)
    3990
    Cooling Capacity Rated/Min(W)
    3520/590
  • Cooling Power Consumption Rated/Min(W)
    1095/200
    Indoor Unit Dimension_WxHxD(mm)
    837 x 308 x 189
  • Indoor Unit Weight(kg)
    8.6
    Outdoor Unit Dimension_WxHxD(mm)
    717 x 495 x 230
  • Outdoor Unit Weight(kg)
    24
    Rated Input Voltage(V, Hz)
    220-240, 50
  • Refrigerant Type
    R410A
    Sound Power(Cooling) SH/H/M/L/SL(dB(A))
    -/41/35/27/21

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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.
Cool your space stylishly. With innovative split system air conditioning units featuring ARTCOOL changeable panels, LG makes it easy to customise your air conditioner to suit your home’s décor. 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. For additional cooling options, browse our full range of window wall air conditioners, multi split systems and ducted solutions – and discover the many ways that we can help make life good.