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10 Best Window Ac Units 2025 in the United States

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Our Top Picks

#1

Winner

Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 450 Sq. Ft.,Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

Rating
9.8
Chosen by1,462
Noise Level
Installation and Size
Additional Features

Most important from
4386 reviews

Noise Level
Provides a lot of cool air at a very reasonable noise level, making it fantastic for sleeping.
Installation and Size
Installation can be tricky and the instructions aren't very good, but the mount works fine once installed.
Additional Features
Wi-Fi capability allows for convenient remote operation, making it easy to cool rooms before use.

The Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner is designed to efficiently cool spaces up to 450 square feet, making it ideal for small to medium-sized rooms. Its U-shaped design stands out by using the window itself to minimize noise, resulting in operation as quiet as 32 dBA. This feature is particularly appealing for those who prioritize a peaceful environment, such as bedrooms or home offices.

Energy efficiency is another strong point; this AC unit boasts over 35% energy savings compared to traditional models, earning it the ENERGY STAR Most Efficient Certification. Users seeking to lower their energy bills will appreciate this benefit, especially during hot summer months.

Smart control is convenient; you can adjust settings via the SmartHome app or using voice commands with Alexa or Google Assistant. This feature enhances user experience by allowing remote operation from anywhere in the house. Installation is user-friendly, requiring minimal effort with the included quick-snap bracket, suitable for both single-hung and double-hung windows.

Rating
9.8
Chosen by1,462
Noise Level
Installation and Size
Additional Features

Most important from
4386 reviews

Noise Level
Provides a lot of cool air at a very reasonable noise level, making it fantastic for sleeping.
Installation and Size
Installation can be tricky and the instructions aren't very good, but the mount works fine once installed.
Additional Features
Wi-Fi capability allows for convenient remote operation, making it easy to cool rooms before use.
#2

Amazon Basics Window Air Conditioner, 5000 BTU, Cools up to 150 Sq. Ft., White AC Unit, Mechanical Control

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

Most important from
3622 reviews

Cooling Capacity (BTU)
This air conditioner cools a room off quickly and can be adjusted in many different ways to suit your needs.
Energy Efficiency Ratio (EER)
The energy efficiency is impressive, as running multiple units used less energy collectively than a central air system.
Noise Level
Despite being a bit loud, the cooling power is evident as it can blow curtains and effectively cool a room.
Installation and Size
Installation is extremely easy with very understandable directions, making it user-friendly even for those who haven't installed a window AC before.

The Amazon Basics Window Air Conditioner boasts a cooling capacity of 5000 BTU, making it suitable for cooling small rooms up to 150 sq. ft. It also serves as a dehumidifier and fan, which adds to its versatility. The unit has seven temperature settings and adjustable air direction, allowing for some customization in your cooling experience. Maintenance is straightforward with a removable and washable filter, ensuring clean air circulation and ease of upkeep.

Installation is relatively simple due to the adjustable side panels that fit standard windows. This makes it adaptable to various window sizes and ideal for renters or those who may need to move it from room to room. The unit’s dimensions are compact, so it won’t take up much window space or protrude excessively into your room. It operates on a standard 115 volts and is corded for power. Weighing in at about 35 pounds, it’s manageable for most people to install without professional help.

This unit is best suited for small spaces where a basic, reliable air conditioner is needed without the bells and whistles of more advanced models.

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

Most important from
3622 reviews

Cooling Capacity (BTU)
This air conditioner cools a room off quickly and can be adjusted in many different ways to suit your needs.
Energy Efficiency Ratio (EER)
The energy efficiency is impressive, as running multiple units used less energy collectively than a central air system.
Noise Level
Despite being a bit loud, the cooling power is evident as it can blow curtains and effectively cool a room.
Installation and Size
Installation is extremely easy with very understandable directions, making it user-friendly even for those who haven't installed a window AC before.
#3

Midea MAW08HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat, 8,000 BTU, White

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

Most important from
12618 reviews

Cooling Capacity (BTU)
The unit keeps the room at a constant temperature while minimizing humidity, making it ideal for specialized spaces like a fish room.
Energy Efficiency Ratio (EER)
The energy efficiency is outstanding, with the unit pulling no more than 400 watts on both cooling and heating settings.
Noise Level
It is impressively quiet, even on its highest fan speed and turbo mode.
Installation and Size
Installation is straightforward and the unit fits well even in smaller windows, making it versatile for various window sizes.
Additional Features
The heating function won't work below 41°F, but it has been reliable for maintaining warmth in moderate conditions.

The Midea MAW08HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat offers a versatile solution for year-round comfort. With an 8,000 BTU cooling capacity, it is suitable for rooms up to 350 square feet, making it a good option for medium-sized living spaces. The unit also features a supplemental heat function, providing warmth in cooler months when the outside temperature is above 41°F. This feature makes it more versatile than standard AC units which are only useful in summer.

The energy efficiency of this unit is notable, boasting an Energy Star certification and a SEER rating of 14.5. Its inverter technology allows it to save up to 35% on energy costs, which is a significant advantage for those looking to reduce electricity bills. Additionally, the noise level is impressively low at 45 dB, ensuring a quiet operation that won't disrupt daily activities or sleep. Installation is straightforward for double-hung windows with openings between 24 to 38.5 inches wide and at least 14.5 inches high. The unit comes with an installation kit, remote control, and is WiFi enabled for smart home compatibility, allowing users to control it via an app or voice assistants like Alexa and Google Assistant.

The unit is relatively heavy at 56 pounds, which might make installation a bit challenging for some users. The built-in dehumidifier and multiple operation modes (Cool, Heat, Fan, Dry, Auto) enhance its functionality. The washable filter is a practical feature for maintaining air quality and long-term performance. In summary, the Midea MAW08HV1CWT is an energy-efficient, quiet, and versatile window AC unit with heating capabilities, ideal for those seeking a multi-functional appliance for a mid-sized room.

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

Most important from
12618 reviews

Cooling Capacity (BTU)
The unit keeps the room at a constant temperature while minimizing humidity, making it ideal for specialized spaces like a fish room.
Energy Efficiency Ratio (EER)
The energy efficiency is outstanding, with the unit pulling no more than 400 watts on both cooling and heating settings.
Noise Level
It is impressively quiet, even on its highest fan speed and turbo mode.
Installation and Size
Installation is straightforward and the unit fits well even in smaller windows, making it versatile for various window sizes.
Additional Features
The heating function won't work below 41°F, but it has been reliable for maintaining warmth in moderate conditions.

Buying Guide for the Best Window Ac Units

Choosing the right window air conditioning unit can make a significant difference in your comfort during hot weather. The key is to find a unit that fits your space, meets your cooling needs, and operates efficiently. Here are some important specifications to consider when selecting a window AC unit, along with explanations to help you make an informed decision.
Cooling Capacity (BTU)Cooling capacity, measured in British Thermal Units (BTU), indicates how much heat the unit can remove from a room per hour. This is crucial because a unit with too low a BTU rating won't cool the room effectively, while one with too high a rating will cool the room too quickly without removing enough humidity, leading to a clammy feeling. To choose the right BTU, consider the size of the room: for a small room (100-300 sq. ft.), 5,000-6,000 BTU is sufficient; for a medium room (300-500 sq. ft.), 7,000-8,000 BTU is ideal; and for a large room (500-800 sq. ft.), 9,000-12,000 BTU is recommended.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the unit's cooling efficiency. A higher EER means the unit uses less energy to cool the room, which can save you money on 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 better energy efficiency. If you plan to use the AC frequently or for long periods, a higher EER is particularly beneficial.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the unit will be when operating. This is important for maintaining a comfortable environment, especially in bedrooms or living areas where quiet is preferred. Units typically range from 50 to 60 dB. For a quieter experience, look for units on the lower end of this range. If noise is not a major concern, a slightly louder unit may be acceptable.
Installation and SizeThe size and weight of the unit affect how easy it is to install and whether it will fit in your window. Measure your window dimensions before purchasing to ensure the unit will fit. Some units come with installation kits that make the process easier. If you are not comfortable with DIY installation, consider hiring a professional. Additionally, consider the unit's weight if you plan to install it yourself, as heavier units can be more challenging to handle.
Additional FeaturesModern window AC units come with various additional features that can enhance convenience and comfort. These may include remote controls, programmable timers, sleep modes, and energy-saving settings. Some units also offer smart features, allowing you to control the AC via a smartphone app. Consider which features are important to you and will improve your user experience. For example, a programmable timer can help you save energy by turning the unit off when you are not home.

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