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 Window Air Conditioning Units 2025 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

Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 550 Sq. Ft.,Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

Rating
9.9
Chosen by1,105
Cooling Capacity (BTUs
Energy Efficiency Ratio (EER)
Noise Level

Most important from
7283 reviews

Cooling Capacity (BTUs
The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is impressively quiet, allowing you to enjoy a movie without the constant drone of a traditional unit.
Energy Efficiency Ratio (EER)
Energy efficiency is a standout, with noticeable savings on electricity bills due to its advanced inverter technology.
Noise Level
The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is impressively quiet, allowing you to enjoy a movie without the constant drone of a traditional unit.
Installation and Size
Installation is straightforward, comparable to assembling IKEA furniture, and can be managed solo with the help of a level.
Additional Features
The unit's sleek design not only looks attractive but also allows for more light and window access compared to standard AC units.

The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is designed to cool spaces up to 550 sq. ft., making it suitable for moderately sized rooms. Its standout feature is its ultra-quiet operation, with noise levels as low as 32 dB, which is significantly quieter than traditional units. This makes it an excellent choice for bedrooms or living areas where noise can be a disturbance. Additionally, its U-shaped design allows for flexibility in window opening, enabling fresh air circulation and maintaining a view, which is a unique and practical feature.

The unit boasts impressive energy efficiency with over 35% energy savings due to its advanced DC Inverter technology, and it has earned the ENERGY STAR Most Efficient Certification. This means lower electricity bills and a smaller environmental footprint. Smart control capabilities allow you to operate the AC via the SmartHome app or through voice commands using Alexa or Google Assistant, adding convenience to its list of features. Installation is straightforward with the included quick-snap bracket, though the unit's weight (58.9 pounds) might require some assistance.

Additional features like a dust filter, fast cooling, and a dehumidifier enhance its functionality, making it more than just an air conditioner. However, at a noise level of 42 dB during operation, it may still be audible in very quiet settings, although it's much quieter than many competitors. The unit’s size and installation method are compatible with single-hung or double-hung windows (width 22-36 inches, minimum height 13.75 inches). In summary, this model combines quiet operation, energy efficiency, and smart features, making it a strong contender for anyone looking to cool a medium-sized space efficiently and quietly.

Rating
9.9
Chosen by1,105
Cooling Capacity (BTUs
Energy Efficiency Ratio (EER)
Noise Level

Most important from
7283 reviews

Cooling Capacity (BTUs
The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is impressively quiet, allowing you to enjoy a movie without the constant drone of a traditional unit.
Energy Efficiency Ratio (EER)
Energy efficiency is a standout, with noticeable savings on electricity bills due to its advanced inverter technology.
Noise Level
The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is impressively quiet, allowing you to enjoy a movie without the constant drone of a traditional unit.
Installation and Size
Installation is straightforward, comparable to assembling IKEA furniture, and can be managed solo with the help of a level.
Additional Features
The unit's sleek design not only looks attractive but also allows for more light and window access compared to standard AC units.
#2

Frigidaire 14,000 BTU Smart Inverter Window Air Conditioner with Wi-Fi and Energy Star Certification, Cools Up to 700 Sq. Ft., Ultra Quiet Operation, White

Rating
9.8
Cooling Capacity (BTUs)
Noise Level
Installation and Size

Most important from
22350 reviews

Cooling Capacity (BTUs)
The Frigidaire air conditioner delivers excellent cooling power, effectively reducing room temperature even during heatwaves.
Noise Level
The unit is remarkably quiet, producing a soothing white noise that many find easy to sleep through.
Installation and Size
Installation is straightforward, with users appreciating the included components that facilitate setup.
Additional Features
The long power cord is a convenient feature, providing flexibility in placement.

The Frigidaire 14,000 BTU Smart Inverter Window Air Conditioner offers robust cooling power suitable for rooms up to 700 sq. ft., making it an excellent choice for larger spaces. One of its standout features is the Wi-Fi capability, allowing you to control it remotely via the Frigidaire app or through smart home devices like Amazon Alexa and Google Home, adding a layer of convenience and modernity. The air conditioner is also Energy Star certified, meaning it is designed for energy efficiency, which helps reduce utility bills while maintaining effective cooling performance.

The inverter technology further helps in achieving a quieter operation, with the noise level at a low 45 dB, making it ideal for bedrooms or home offices where noise can be a distraction. Installation is relatively straightforward, and the unit comes with a remote control and a washable dust filter, adding to its ease of use and maintenance. The customizable cooling options, including 6-way directional airflow and three different fan speeds, ensure you can create a comfortable environment tailored to your preferences.

However, the unit is on the heavier side, weighing 56 pounds, which may make installation a bit challenging for some. Additionally, while it includes many advanced features, users not familiar with smart technology might find the initial setup slightly complex. These minor drawbacks aside, this air conditioner is a solid choice for those looking for a powerful, efficient, and smart cooling solution.

Rating
9.8
Cooling Capacity (BTUs)
Noise Level
Installation and Size

Most important from
22350 reviews

Cooling Capacity (BTUs)
The Frigidaire air conditioner delivers excellent cooling power, effectively reducing room temperature even during heatwaves.
Noise Level
The unit is remarkably quiet, producing a soothing white noise that many find easy to sleep through.
Installation and Size
Installation is straightforward, with users appreciating the included components that facilitate setup.
Additional Features
The long power cord is a convenient feature, providing flexibility in placement.
#3

Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat, 12,000 BTU, White

Rating
9.6
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
12671 reviews

Cooling Capacity (BTUs)
While the heating function doesn’t work below 41°F, the cooling capability remains excellent, even in high temperatures.
Energy Efficiency Ratio (EER)
The Midea air conditioner is extremely efficient, using no more than 400 watts even at max cooling and heating settings.
Noise Level
This unit is impressively quiet; you barely know it’s on.
Installation and Size
Installation is a breeze, fitting perfectly in various window sizes without the need for making holes or sealing refrigerant lines.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit is a versatile option for those looking for both cooling and heating solutions in one device. With a cooling capacity of 12,000 BTUs, it is well-suited for larger rooms up to 550 square feet. The unit also features a supplemental heating option; however, it's important to note that the heat pump function is not effective when the outside temperature drops below 41°F. This makes it a multi-season solution, though it may not cover all year-round needs in colder climates.

The energy efficiency of this model is commendable, with a SEER of 13.3 and an Energy Star certification, promising up to 35% energy savings compared to the Energy Conservation Standard. This can translate into noticeable savings on electricity bills over time. Noise levels are impressively low, operating at around 45 dBA, which is less intrusive and conducive for quiet environments like bedrooms or offices. Installation is designed to be straightforward for double-hung windows with specific measurements, and an installation kit is included for convenience. The air conditioner's dimensions are relatively compact, making it a good fit for a variety of window sizes.

Additional features enhance usability, including a user-friendly LED display, multiple modes and speed settings, a 24-hour timer, and eco mode. The unit also supports smart home integration, allowing control via the SmartHome App, Alexa, or Google Assistant. One potential drawback is the weight of the unit, at 58 pounds, which might require assistance during installation. Furthermore, while the noise level is low, some users might find the 58 dB rating at maximum operation slightly noticeable. The Midea MAW12HV1CWT is a highly efficient, quiet, and smart-capable window AC unit, best suited for those needing a powerful cooling solution with the added benefit of supplemental heating for moderately cold conditions.

Rating
9.6
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
12671 reviews

Cooling Capacity (BTUs)
While the heating function doesn’t work below 41°F, the cooling capability remains excellent, even in high temperatures.
Energy Efficiency Ratio (EER)
The Midea air conditioner is extremely efficient, using no more than 400 watts even at max cooling and heating settings.
Noise Level
This unit is impressively quiet; you barely know it’s on.
Installation and Size
Installation is a breeze, fitting perfectly in various window sizes without the need for making holes or sealing refrigerant lines.

Buying Guide for the Best Window Air Conditioning Units

Choosing the right window air conditioning unit can make a significant difference in your comfort during hot weather. It's important to consider various factors to ensure you get a unit that meets your needs efficiently. Here are some key specifications to look at when selecting a window air conditioning unit.
Cooling Capacity (BTUs)BTU stands for British Thermal Unit, and it measures the cooling power of the air conditioner. The higher the BTU, the more cooling power the unit has. It's important to match the BTU rating to the size of the room you want to cool. For small rooms (up to 150 square feet), a unit with 5,000-6,000 BTUs is sufficient. Medium-sized rooms (150-300 square feet) typically need 7,000-8,000 BTUs, while larger rooms (300-450 square feet) may require 10,000-12,000 BTUs. Choosing the right BTU ensures efficient cooling without wasting energy.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently the air conditioner uses energy. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER is calculated by dividing the BTU rating by the unit's wattage. Look for units with an EER of 10 or higher for optimal efficiency. If you plan to use the air conditioner frequently, investing in a unit with a high EER can save you money in the long run.
Noise LevelNoise level is an important consideration, especially if the unit will be installed in a bedroom or living area. Noise levels are measured in decibels (dB). Units with lower dB ratings are quieter. Typically, air conditioners range from 50 to 60 dB. If you are sensitive to noise or need a quiet environment, look for units with lower dB ratings. Reading user reviews can also give you an idea of the noise level in real-world use.
Installation and SizeWindow air conditioners come in various sizes, and it's crucial to ensure the unit fits your window. Measure your window dimensions before purchasing to avoid compatibility issues. Additionally, consider the ease of installation. Some units come with installation kits and clear instructions, making the process simpler. If you're not comfortable with DIY installation, you might want to consider professional installation services.
Additional FeaturesModern window air conditioners often come with additional features that can enhance convenience and comfort. Features like remote control, programmable timers, sleep modes, and Wi-Fi connectivity can make operation easier and more efficient. Think about which features are important to you and how they can improve your experience. For example, a programmable timer can help you save energy by automatically turning the unit off when it's not needed.

FAQ

Most Popular Categories Right Now