LG - 1,000 Sq. Ft. 18,000 BTU 230V Smart Inverter Window Air Conditioner - White
Customers are saying
Customers appreciate the exceptional cooling performance of this product, with many users noting that it effectively lowers the temperature. Additionally, the unit operates quietly, ensuring a peaceful environment while in use. Users also find the installation process to be straightforward and user-friendly.
Smart phone control
Effortlessly control your air conditioner from anywhere using your smartphone, Google Assistant, or Amazon Alexa with the LG ThinQ App, providing convenient and intuitive control at your fingertips.
Whisper-Quiet Operation
Experience peaceful surroundings with LG window air conditioners operating at sound levels as low as 52dB in low mode, ensuring a tranquil and undisturbed environment without unnecessary noise.
Energy Efficient and Cost-effective
Achieve significant electricity savings with this energy-efficient air conditioner that meets high standards of energy-efficient technologies, ensuring optimal performance while reducing energy consumption and saving on utility bills.
Customizable Cooling with Multiple Fan Speeds
Tailor your cooling experience with three cooling and fan speeds, including the Auto Cool feature, allowing you complete flexibility to adjust the airflow and cooling according to your preference and comfort needs.
Powerful Cooling for Large Rooms
Enjoy efficient cooling in spacious rooms up to 1,000 sq. ft., making this air conditioner ideal for cooling large rooms with dimensions of 25' X 40', ensuring a refreshing and comfortable environment in your living or working space.
Voltage Requirement
This unit requires a special 230V electrical outlet and will not operate with a standard 115V outlet
- Recommended Room Size1000 square feetBTU Cooling Rating18000 british thermal unitsNumber of Cool Settings2Number of Fan Speeds3Airflow Rate500 cubic feet per minuteRemote ControlYes
Reviews
Rating 4.4 out of 5 stars with 45 reviews
- Cooling Performance (26)
- Noise Level (15)
- Installation Ease (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Cool with confidence using the LG Dual Inverter air conditioner, a true innovation in cooling technology. With its ultra-quiet operation at 44 dB in sleep mode and built-in Dual Inverter technology, it's almost as quiet as a library while saving as much as 25% on energy costs. Control your air conditioner from anywhere with LG ThinQ technology on your phone or use Amazon Alexa and Hey Google to manage cooling with your voice. Customize airflow with four cooling and fan speeds and a 24-hour timer, while 4-way air deflection directs air where needed, be it for cooling, dehumidifying, or circulating air. The auto-restart feature guarantees effortless operation after power outages, while the LCD remote control, easy window installation kit, removable, washable filter, and check filter alert make cooling a breeze. Upgrade to the LG Dual Inverter and experience true cooling innovation. (Please note: Requires a special 230V electrical outlet)

Experience the pinnacle of cooling innovation with the LG Dual Inverter Air Conditioner, delivering ultra-quiet operation at just 44 dB in sleep mode, akin to a library ambiance. The cutting-edge DUAL Inverter technology ensures efficient operation, potentially reducing energy costs by up to 15%. Seamlessly control your home's climate using LG ThinQ technology with your smartphone, or effortlessly use Amazon Alexa and Hey Google for hands-free control. Customize your cooling experience with 4 cooling and fan speeds, and a 24-hour timer while the 4-way air deflection optimizes airflow direction for your specific needs. Enjoy uninterrupted cooling with the auto restart feature during power outages, and experience convenience with the included LCD remote control, easy window installation kit, removable (washable) filter, and a check filter alert. Elevate your home comfort with this advanced, energy-efficient air conditioner. Note: 230V outlet required.

When it comes to cutting-edge cooling technology, nothing beats the LG Dual Inverter window air conditioners. This remarkable window cooling unit operates at an ultra-quiet 44 dB in sleep mode, rivaling the silence of a library. With DUAL Inverter technology, it operates efficiently, potentially reducing energy costs by up to 35%. Take control of your home's cooling from anywhere using LG ThinQ technology, whether you prefer using your phone or controlling it with Amazon Alexa and Hey Google through voice commands. This window unit offers 4 cooling and fan speeds, a dry mode for dehumidifying, and a 24-hour timer for creating personalized cooling schedules. 4-way air deflection ensures the airflow goes exactly where it's needed, whether you're cooling, dehumidifying, or simply circulating the air. The auto restart feature turns the unit back on automatically after a power outage. Other features include an LCD remote control, an easy window installation kit, a removable and washable filter, and a check filter alert. With a window size range of 27”-39” W x 16” H, this AC unit is a perfect fit for many homes. Upgrade to the LG Dual Inverter window air conditioner and experience the epitome of cooling innovation.

Take control of your indoor climate with the LG LW1821ERSM Window Air Conditioner! Experience optimal cooling for large rooms up to 1,000 sq ft with 3 cooling and fan speeds, a 24-hour timer, and 4-way air deflection for complete customization. The unit's revolutionary LG ThinQ technology lets you cool your home remotely via your smartphone, Amazon Alexa, or Hey Google. This ultra-quiet, high-efficiency unit provides top-notch performance while consuming minimum power. Additional features include an automatic restart function after power outages, a remote control, an easy installation kit, a slide-out washable filter, and a check filter alert, ensuring effortless maintenance and a seamless cooling experience. (Please note: Requires a special 230V electrical outlet)
| Pros for LG - 1,000 Sq. Ft. 18,000 BTU 230V Smart Inverter Window Air Conditioner - White | |||
|---|---|---|---|
| Cooling Performance, Noise Level, Installation Ease | Noise Level, Installation, Cooling, Efficiency | Cooling Performance, Noise Level, Installation, Quiet | Cooling Performance |
| Cons for LG - 1,000 Sq. Ft. 18,000 BTU 230V Smart Inverter Window Air Conditioner - White | |||
| There were no cons for this product— | Plug Type | Build Quality | There were no cons for this product— |






























































