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1.5Ton Dual Inverter Premium Air Conditioner with Ionizer and ThinQ™ Function
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1.5Ton Dual Inverter Premium Air Conditioner with Ionizer and ThinQ™ Function
Where to Buy
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.
Plasmaster™Ionizer+

Leaves Your Space Clean from Bacteria

Removes 99%* of adhering bacteria and deodorizes**.
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™.
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.
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 side angle of the air conditioner is shown with the filters floating above to show the allergy filter installed inside. Beside the machine is the entire green allergy filter with dust mites caught in it. The Allergy Filter logo is in the upper right corner. The side angle of the air conditioner is shown with the filters floating above to show the allergy filter installed inside. Beside the machine is the entire green allergy filter with dust mites caught in it. The Allergy Filter logo is in the upper right corner.
Pre-Filter

Traps Big Dust from the Start

Traps big dust particles as the first line of defense.
The side angle of the air conditioner is shown with the filters floating above to show the allergy filter installed inside. Beside the machine is the entire green allergy filter with dust mites caught in it. The Allergy Filter logo is in the upper right corner. The side angle of the air conditioner is shown with the filters floating above to show the allergy filter installed inside. Beside the machine is the entire green allergy filter with dust mites caught in it. The Allergy Filter logo is in the upper right corner.
Allergy Filter

Reduce Allergens for Healthier Air

Remove allergy-causing substances, such as house dust mites, floating in the air.
Approved by BAF

Approved by BAF

*BAF has approved that the filter is coated to remove harmful substances - such as house dust mite, fungi, and mold floating in the air - that can cause allergies.
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

Simple Control with Voice Assistant

Tell your air conditioner exactly what you need, when you need it. Say, “Turn on/off the air conditioner.” and the AI speaker will listen and turn on/off the air conditioner.

Three icons at the top indicate there are three images in a carousel. The first icon, labelled "Voice Control", is red. A man stands in a kitchen cooking. Sound wave lines appear next to him and then a line appears from him to the AI speaker on the counter and a microphone icon appears above the speaker. Sound wave lines then appear around the speaker and a line from the speaker to the oven. The Wifi icon appears above the oven. Three icons at the top indicate there are three images in a carousel. The first icon, labelled "Voice Control", is red. A man stands in a kitchen cooking. Sound wave lines appear next to him and then a line appears from him to the AI speaker on the counter and a microphone icon appears above the speaker. Sound wave lines then appear around the speaker and a line from the speaker to the oven. The Wifi icon appears above the oven.

Connect and Control from Anywhere

The LG ThinQ™ app allows you to easily connect with your air conditioner in a way you never could before. Start your air conditioner with just the tap of a button.

Three icons at the top indicate there are three images in a carousel. The second icon, labelled "Smart Alert", is red. A man sits on the floor looking at his phone with the oven in the background. On the left side of the screen is an image of the ThinQ app on a phone screen with the Wifi icon above it. Three icons at the top indicate there are three images in a carousel. The second icon, labelled "Smart Alert", is red. A man sits on the floor looking at his phone with the oven in the background. On the left side of the screen is an image of the ThinQ app on a phone screen with the Wifi icon above it.

Efficient Product Maintenance

The LG ThinQ™ app continuously monitors your air conditioner. Whether it’s everyday maintenance or something else, the app allows you to easily monitor energy usage.

Three icons at the top indicate there are three images in a carousel. The third icon, labelled "Monitoring", is red. There are two images: The left image shows a father and daughter eating in a kitchen. The right image shows a hand opening an oven with pans of muffins inside. In the center is the screen of a phone with the ThinQ app visible and the Wifi icon above it. Three icons at the top indicate there are three images in a carousel. The third icon, labelled "Monitoring", is red. There are two images: The left image shows a father and daughter eating in a kitchen. The right image shows a hand opening an oven with pans of muffins inside. In the center is the screen of a phone with the ThinQ app visible and the Wifi icon above it.
*Google and Google Home are trademarks of Google LLC.
*Amazon, Alexa, Echo and all related logos and motion marks are trademarks of Amazon.com, Inc or its affiliates.
*LG SmartThinQ is now renamed as LG ThinQ.
*Smart features and voice assistant product may vary by country and model. Check with your local retailer or LG for service availability.
*Voice-enabled smart speaker device is not included.
  • Half of the LG air conditioner can be seen installed on the wall with the front door open indicating it's on. A circle is around the air quality lights of the machine and a magnified circle is extened out to show the green lights of the air quality panel and the numbers to show the precise air quality. The DUAL Inverter logo can be seen on the machine.

    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.

  • The LG Air conditioner is installed on a wall of grass. The R410A logo for energy efficiency is in the upper right corner.

    Environment-Friendly Refrigerant

    Prevent environmental pollution with R410A refrigerant's improved energy efficiency.

  • A family sits on a couch in a living room with the LG air conditioner installed above them. Blue lines of air are coming out indicating the machine is on. In the foreground is the front of the remote control showing the buttons and temperature.

    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. 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.

  • 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
Summary
  • CAPACITY - MIN.~RATED~MAX.(BTU/H)
    18,000 Btu/h
  • DIMENSION INDOOR - (W × H × D)
    998 x 345 x 210 mm
  • DUAL INVERTER COMPRESSOR
    Yes
  • 10 YEARS WARRANTY
    Yes
HIGHLIGHTS
  • Model No
    S4-Q18KL2PE
    Type
    DUAL Inverter Ionizer
  • Ton
    1.5 Ton
    Rated Cooling Capacity (W)
    5,280
  • (Btu/h)
    18,000
    EER (W/W)
    3.26
  • Compressor Type
    Twin Rotary
    Compressor Motor Type
    Brushless DC Motor (BLDC)
  • Refrigerant and Charge (g)
    R410A, 800
    Additional Refrigerant Charge g/m
    20
  • Rated Power Input Cooling (W)
    1880
    Rated Running Current (A)
    7.00
  • Power Supply(Volt/Phase/Hz)
    220-240V/Single/50
    Circuit Breaker (A)
    20
PERFORMANCE
  • Air Circulation (H/M/L) ㎥/min
    15 / 13.5 / 10.5
    Indoor Unit Noise Level (H/M/L) dB(A)
    45 / 43 / 38
  • Outdoor Unit Noise Level dB(A)
    54
4- WAY SWING
  • Up & Down
    Auto (6 Step)
    Left & Right
    Auto (5 Step)
WARRANTY
  • Compressor (Yrs)
    10
    Parts (Yrs)
    1
  • Service (Yrs)
    1
FUNCTIONS
  • Energy Saving
    Yes (Up to 70%)
    Wi-Fi
    Yes
  • Plasma Air Purifier (Ionizer)
    Yes
    LED Display
    Yes
  • Himalaya Cool/Jet Cool
    Yes
    Pre-Filter – (Anti Bacterial/Washable)
    Yes
  • Gold Fin (CU) Condenser
    Yes
    Timer (24 hr On/Off)
    Yes
  • Auto Restart
    Yes
    Sleep mode
    Yes
  • Quick & Easy Installation
    Yes
DIMENSIONS(W X H X D)
  • Indoor (mm)
    998 x 345 x 210
    Outdoor (mm)
    770 x 545 x 288
NET WEIGHT
  • Indoor (Kg)
    11.7
    Outdoor (Kg)
    29.8
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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 assortment of features to select from, finding the right LG home air conditioner unit is a breeze. Simply designate your preferences and we’ll display residential air conditioners that meet your needs. Learn more about LG residential air conditioners and other innovative products designed to make life good.

Browse different LG residential air conditioners and find the right one for your home. You’ll find features like:

Plasma Filter: The Plasma Air Purifying System developed uniquely by LG not only removes microscopic contaminant and dust, but also removes house mites, pollen, pet fur and odour such as cigarette smell and haze.

H1N1 Filter: Our H1N1 filter effectively removes H1N1 viruses in the air.

Stand Alone Air Purifier: By just pressing the Plasma button on the remote, you can use your home air conditioner as an air purifier – without even turning on the cooling function.

Allergy Filter: Our residential air conditioner filter helps remove allergens from the air.

Triple Filter: Triple filter consists of three different organic compound filters that eliminate discomfort and pain of the eye and throat. It also can remove bad odour.

Auto Clean: It runs for 30 minutes after you have press the off button on the remote control. This enables it to blow dry the coil surface area and prevent dust from sticking to it.