We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best LG Window Air Conditioners 2026 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

LG 23,500 BTU Dual Inverter Smart Window Air Conditioner, 230V, Air Conditioner Cools Rooms up to 1,440 Sq. Ft., Ultra Quiet Operation, with LG ThinQ, Amazon Alexa & Hey Google, White

Rating
10.0
Chosen by1,459
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
186 reviews

Cooling Capacity (BTUs)
The air conditioner delivers impressive cooling power, quickly bringing down temperatures even in a large metal building in Texas summers.
Energy Efficiency Ratio (EER)
Energy efficiency stands out, with low electric bills reported despite extensive use during hot months.
Noise Level
The unit operates quietly, so quiet that it can be mistaken for not running, making it ideal for peaceful environments.
Size and Installation
Installation is easier than expected, thanks to the smooth sliding of the cooling unit from the mounting frame.
Additional Features
The app provides excellent control, allowing for remote operation and scheduling, enhancing convenience and user experience.

The LG LW2422IVSM Window Air Conditioner offers a substantial cooling capacity of 23,500 BTUs, making it suitable for large rooms up to 1,440 square feet. Its energy efficiency is a standout feature, with DUAL Inverter technology providing up to 50% more energy efficiency than required by Energy Star standards, potentially saving on energy costs.

The unit operates quietly, with noise levels as low as 44 dB in sleep mode, which is beneficial for a peaceful environment. Control is convenient with LG ThinQ Technology, allowing remote adjustments via smartphone apps and voice commands using Amazon Alexa or Hey Google. Multiple fan speeds and auto cool provide customizable comfort options.

Installation might be slightly challenging due to its size and weight (112 pounds), but it's manageable with included components like window curtain panels and a remote. Additional features like a filter light reminder, dehumidifier, and WiFi capability enhance its functionality. Potential buyers should note the requirement for a 230-volt outlet, which may necessitate electrical adjustments. This air conditioner is well-suited for those seeking a powerful, quiet, and smart-controlled cooling solution for larger spaces.

Rating
10.0
Chosen by1,459
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
186 reviews

Cooling Capacity (BTUs)
The air conditioner delivers impressive cooling power, quickly bringing down temperatures even in a large metal building in Texas summers.
Energy Efficiency Ratio (EER)
Energy efficiency stands out, with low electric bills reported despite extensive use during hot months.
Noise Level
The unit operates quietly, so quiet that it can be mistaken for not running, making it ideal for peaceful environments.
Size and Installation
Installation is easier than expected, thanks to the smooth sliding of the cooling unit from the mounting frame.
Additional Features
The app provides excellent control, allowing for remote operation and scheduling, enhancing convenience and user experience.
#2

LG 14,000 BTU DUAL Inverter Smart Window Air Conditioner, 115V, Cools 800 Sq. Ft. for Bedroom, Living Room, Apartment, Quiet Operation, ENERGY STAR®, works with LG ThinQ, Amazon Alexa and Hey Google

Rating
9.7
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
326 reviews

Cooling Capacity (BTUs)
It reliably cools large areas efficiently, handling spaces well beyond its rated size with consistent performance.
Energy Efficiency Ratio (EER)
The unit's energy efficiency noticeably reduces electricity usage compared to standard models, making it cost-effective to run.
Noise Level
This air conditioner is impressively quiet, operating unobtrusively even in living spaces and bedrooms.
Size and Installation
Installation can be managed with the EZ Mount kit, though the unit’s weight requires some effort and assistance.
Additional Features
Smart features like Wi-Fi connectivity and voice control via Alexa add great convenience and remote access.

The LG 14,000 BTU Dual Inverter Smart Window Air Conditioner is designed for cooling medium to large rooms up to 800 square feet, making it a good choice for bedrooms, living rooms, or apartments. It uses efficient inverter technology, which helps reduce energy consumption by up to 35% compared to standard models, and it meets ENERGY STAR® standards. This means it can cool your space effectively while saving on electricity bills. The noise level is impressively low at about 44 decibels, roughly the sound of a quiet conversation, so it won’t disturb your sleep or daily activities.

Installation is relatively straightforward with the included EZ Mount kit, suitable for most double-hung windows within a certain size range, though the unit itself is quite heavy at 85 pounds, so some help may be needed to set it up safely. Additional features add convenience: you can control the AC remotely through the LG ThinQ app or voice commands via Google Assistant and Amazon Alexa. It also includes a washable dust filter and dehumidifying function to keep the air fresher and less humid.

Despite its power and efficiency, the unit is somewhat large, which could be a consideration depending on your window space and room layout. The warranty covers only one year, which is standard but worth remembering. For those seeking a quiet, energy-efficient AC with smart controls and good cooling capacity for larger rooms, this LG model represents a dependable option, though installation effort and size should be planned for.

Rating
9.7
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
326 reviews

Cooling Capacity (BTUs)
It reliably cools large areas efficiently, handling spaces well beyond its rated size with consistent performance.
Energy Efficiency Ratio (EER)
The unit's energy efficiency noticeably reduces electricity usage compared to standard models, making it cost-effective to run.
Noise Level
This air conditioner is impressively quiet, operating unobtrusively even in living spaces and bedrooms.
Size and Installation
Installation can be managed with the EZ Mount kit, though the unit’s weight requires some effort and assistance.
Additional Features
Smart features like Wi-Fi connectivity and voice control via Alexa add great convenience and remote access.
#3

LG 10,000 BTU Smart Window Air Conditioner, 115V, Cools 450 Sq. Ft. for Bedroom, Living Room, Apartment, Dual Inverter, Quiet Operation, Energy Star, works with LG ThinQ, Amazon Alexa and Hey Google

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

Most important from
271 reviews

Cooling Capacity (BTUs)
The inverter technology delivers efficient, powerful cooling even on the hottest days while noticeably reducing energy bills.
Energy Efficiency Ratio (EER)
The inverter technology delivers efficient, powerful cooling even on the hottest days while noticeably reducing energy bills.
Noise Level
This air conditioner runs quietly without disruptive rattling or humming, ideal for bedrooms, living rooms, or workspaces needing low ambient noise.
Size and Installation
Installation is straightforward with clear instructions, and the unit’s sleek design fits perfectly in standard windows.
Additional Features
The smart app connectivity allows seamless control of temperature, fan speed, and scheduling from anywhere, making operation effortless and convenient.

The LG 10,000 BTU Smart Window Air Conditioner is a strong choice for cooling medium-sized rooms up to about 450 square feet, such as bedrooms, living rooms, or small apartments. Its cooling capacity is well-suited for this space size, providing effective temperature control. Thanks to the advanced Dual Inverter technology, this unit operates quietly—at just 44 decibels in sleep mode, it won’t disturb your daily activities or sleep. It also offers good energy efficiency, exceeding Energy Star standards by up to 25%, which can help reduce electricity bills over time. The unit includes multiple fan speeds and an auto-cool feature, allowing you to customize airflow to your comfort.

Installation requires a window opening between 22 to 36 inches wide and 13 inches high, and the AC’s dimensions and weight (around 63 pounds) are typical for this category, so make sure your window can safely support it. One of the standout features is its smart connectivity: you can control the air conditioner remotely via the LG ThinQ app or with voice commands using Amazon Alexa or Google Assistant, adding convenience. Additional perks include a washable filter, a dehumidifier function, and filter light reminders that help with maintenance.

On the downside, the 1-year limited warranty is fairly standard but not very long, and while the noise level is low, some might still notice it in very quiet environments. Also, it requires standard 115V power and is not cordless, so it needs a nearby outlet. This LG window AC delivers a quiet, energy-saving cooling solution with smart features and easy controls, making it a practical pick for anyone needing reliable climate control in medium-sized indoor spaces.

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

Most important from
271 reviews

Cooling Capacity (BTUs)
The inverter technology delivers efficient, powerful cooling even on the hottest days while noticeably reducing energy bills.
Energy Efficiency Ratio (EER)
The inverter technology delivers efficient, powerful cooling even on the hottest days while noticeably reducing energy bills.
Noise Level
This air conditioner runs quietly without disruptive rattling or humming, ideal for bedrooms, living rooms, or workspaces needing low ambient noise.
Size and Installation
Installation is straightforward with clear instructions, and the unit’s sleek design fits perfectly in standard windows.
Additional Features
The smart app connectivity allows seamless control of temperature, fan speed, and scheduling from anywhere, making operation effortless and convenient.

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.

FAQ