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10 Best LG Window Air Conditioners 2026 in the United States

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Our Top Picks

#1

Winner

LG 12,000 BTU Window Air Conditioner, 115V, Cools 550 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

Rating
10.0
Chosen by1,365
Cooling Capacity (BTUs
Energy Efficiency Ratio (EER)
Noise Level

Most important from
2270 reviews

Cooling Capacity (BTUs
The unit performs very well and is relatively quiet, making it a great option for cooling medium-sized rooms.
Energy Efficiency Ratio (EER)
The energy-saving mode is effective, allowing the fan to shut off with the cooling compressor and come back on intermittently to sample the air temperature.
Noise Level
The air conditioner operates at a low noise level of 52 dB, which is ideal for sleeping or working without disturbance.
Size and Installation
Installation can be a bit challenging due to the unit's weight, but the window installation kit helps create a well-sealed fit.
Additional Features
The inclined cooling grill design effectively directs cool air towards the ceiling, preventing hot air pockets from forming.

The LG 12,000 BTU Window Air Conditioner is designed to cool spaces up to 550 square feet, making it suitable for medium-sized rooms like bedrooms, living rooms, or apartments. One of its standout features is the low noise performance, operating at just 52 dB, which ensures a quiet environment for sleeping or working. With three cooling and fan speeds, along with an auto cool function, you can easily customize the airflow to meet your preferences.

The included remote control and digital control panel enhance usability, making it convenient to adjust settings from a distance. The unit also offers a 24-hour timer, allowing you to set a cooling schedule and potentially reduce energy costs. Additionally, the 4-way air deflection provides flexible cooling direction, and the filter light reminder is a helpful feature for maintenance. The installation process is made straightforward with the provided window installation kit.

It is important to note that this model does not have an Energy Star rating, which means it might not be the most energy-efficient option available. The Seasonal Energy Efficiency Ratio (SEER) of 13 is decent but not exceptional. Despite these minor drawbacks, the LG 12,000 BTU Window Air Conditioner is a reliable and user-friendly choice, particularly for those looking to cool a medium-sized area quietly and efficiently.

Rating
10.0
Chosen by1,365
Cooling Capacity (BTUs
Energy Efficiency Ratio (EER)
Noise Level

Most important from
2270 reviews

Cooling Capacity (BTUs
The unit performs very well and is relatively quiet, making it a great option for cooling medium-sized rooms.
Energy Efficiency Ratio (EER)
The energy-saving mode is effective, allowing the fan to shut off with the cooling compressor and come back on intermittently to sample the air temperature.
Noise Level
The air conditioner operates at a low noise level of 52 dB, which is ideal for sleeping or working without disturbance.
Size and Installation
Installation can be a bit challenging due to the unit's weight, but the window installation kit helps create a well-sealed fit.
Additional Features
The inclined cooling grill design effectively directs cool air towards the ceiling, preventing hot air pockets from forming.
#2

LG 10000 BTU Window Air Conditioners [2023 New] Remote Control WiFi App Ultra-Quiet Washable Filter Cools 450Sq.Ft for Medium & Large Room AC Unit air conditioner Easy Install White LW1017ERSM1

Rating
10.0
Noise Level
Size and Installation
Additional Features

Most important from
225 reviews

Noise Level
The air conditioner performs very well and is relatively quiet, living up to its promise of low noise levels.
Size and Installation
Installation can be a bit challenging due to the unit's weight, but it ends up very well sealed once in place.
Additional Features
The energy-saving mode is excellent, allowing the fan to shut off with the cooling compressor and keeping the air from stagnating.

The LG 12,000 BTU Smart Window Air Conditioner is a powerful unit suited for cooling large spaces up to 550 square feet, making it ideal for living rooms or kitchens. It boasts a considerable cooling capacity and features multiple fan speeds, allowing users to customize airflow to their preference. One of its standout features is the LG ThinQ Technology, which provides remote control of the unit via a smartphone, and compatibility with voice assistants like Amazon Alexa and Google Assistant, adding convenience for tech-savvy users.

Moreover, it operates at a relatively low noise level of 52 dB, which is quieter than many other window units, reducing disturbances in your home environment. The Auto Restart function is a practical addition, ensuring the unit resumes operation after power outages without manual intervention. Installation is fairly straightforward with the included kit, although the unit’s weight of 81 pounds may require assistance during setup.

Some potential drawbacks include its lack of an Energy Star rating, implying it may not be the most energy-efficient option available, and its SEER rating of 12 is modest. It also requires regular filter maintenance, but the filter light reminder feature can help manage this task. Users have rated it positively, with a 4.2 out of 5 stars, indicating general satisfaction with its performance. This air conditioner could be a great fit for anyone in need of a robust cooling solution with modern smart features, as long as energy consumption efficiency is not their top priority.

Rating
10.0
Noise Level
Size and Installation
Additional Features

Most important from
225 reviews

Noise Level
The air conditioner performs very well and is relatively quiet, living up to its promise of low noise levels.
Size and Installation
Installation can be a bit challenging due to the unit's weight, but it ends up very well sealed once in place.
Additional Features
The energy-saving mode is excellent, allowing the fan to shut off with the cooling compressor and keeping the air from stagnating.
#3

LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

Rating
9.4
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
4575 reviews

Cooling Capacity (BTUs)
The airflow design includes an inclined cooling grill that effectively directs cool air toward the ceiling, preventing hot air pockets and enhancing comfort.
Energy Efficiency Ratio (EER)
The energy-saving mode is excellent, cycling the fan to maintain temperature without continuous noise, which helps with restful sleep.
Noise Level
The unit performs very well with quiet operation, making it suitable for bedrooms and offices where minimal noise is important.
Size and Installation
Installation can be challenging due to the unit's heavy weight and size, so testing before full installation is recommended to avoid wasted effort.
Additional Features
The unit includes convenient features like a washable filter with a reminder light and an auto-restart function after power outages.

The LG 8,000 BTU window air conditioner is a solid choice for cooling medium-sized rooms up to about 350 square feet, such as bedrooms or small living areas. It provides adequate cooling power for these spaces without wasting energy. Its Seasonal Energy Efficiency Ratio (SEER) is 13, which is average, but the unit is not Energy Star certified and may consume more power compared to more efficient models.

Noise-wise, this LG model performs quietly at 53 decibels on low, making it suitable for bedrooms or offices where minimal distractions are preferred. Installation is straightforward with the included window kit, and the unit’s size (around 20x20 inches) fits most standard windows. It offers user-friendly controls via a digital panel and remote, along with three cooling and fan speeds to easily adjust comfort. The 4-way air deflection helps distribute cool air evenly.

Additional features include an auto-restart function that turns the unit back on after power outages, a washable filter with a reminder light, and a 1-year warranty. It requires 115 volts and weighs approximately 58 pounds, which may require two people to handle installation. This LG window AC delivers reliable cooling with quiet operation and convenient features, though its energy efficiency might not be the best option for those focused on saving electricity.

Rating
9.4
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
4575 reviews

Cooling Capacity (BTUs)
The airflow design includes an inclined cooling grill that effectively directs cool air toward the ceiling, preventing hot air pockets and enhancing comfort.
Energy Efficiency Ratio (EER)
The energy-saving mode is excellent, cycling the fan to maintain temperature without continuous noise, which helps with restful sleep.
Noise Level
The unit performs very well with quiet operation, making it suitable for bedrooms and offices where minimal noise is important.
Size and Installation
Installation can be challenging due to the unit's heavy weight and size, so testing before full installation is recommended to avoid wasted effort.
Additional Features
The unit includes convenient features like a washable filter with a reminder light and an auto-restart function after power outages.

Buying Guide for the Best LG Window Air Conditioners

Choosing the right LG window air conditioner involves understanding your cooling needs and matching them with the features and specifications of the unit. It's important to consider the size of the room, energy efficiency, noise levels, and additional features that can enhance your comfort and convenience. By focusing on these key specifications, you can ensure that you select an air conditioner that will effectively cool your space while being cost-effective and easy to use.
Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates how much heat an air conditioner can remove from a room per hour. This is crucial because it determines the size of the room the unit can effectively cool. For small rooms up to 150 square feet, a unit with 5,000-6,000 BTUs is sufficient. Medium-sized rooms up to 300 square feet may require 7,000-8,000 BTUs, while larger rooms up to 450 square feet might need 10,000-12,000 BTUs. To pick the right one, measure your room and choose a unit with the appropriate BTU rating to ensure efficient cooling.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an air conditioner uses energy to cool a room. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER ratings typically range from 8 to 12. For optimal energy savings, look for units with an EER of 10 or higher. If you use the air conditioner frequently, investing in a higher EER unit can be more cost-effective in the long run.
Noise LevelNoise level is an important consideration, especially if the air conditioner will be used in a bedroom or living area. Noise levels are measured in decibels (dB). Units with noise levels below 50 dB are considered quiet and are suitable for bedrooms or offices. Units with noise levels between 50-60 dB are moderate and can be used in living rooms. If noise is a major concern, look for models specifically designed to operate quietly.
Size and InstallationThe physical size of the air conditioner and the ease of installation are important factors. Ensure that the unit fits your window dimensions and that you have the necessary tools and support for installation. Some units come with installation kits that make the process easier. If you are not comfortable with DIY installation, consider professional installation services.
Additional FeaturesModern air conditioners come with various additional features that can enhance comfort and convenience. Features like remote control, programmable timers, sleep mode, and energy-saving modes can make the unit more user-friendly. Some units also offer smart connectivity, allowing you to control the air conditioner via a smartphone app. Consider which features are important to you and choose a model that offers them.

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