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10 Best Window Acs 2026 in the United States

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Our Top Picks

#1

Winner

Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 550 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

Rating
10.0
Chosen by1,431
Energy Efficiency Ratio (EER)
Noise Level
Size and Installation

Most important from
18424 reviews

Energy Efficiency Ratio (EER)
Energy efficiency is a standout feature, with the AC consuming roughly half the power of comparable inverter models.
Noise Level
The unit operates with impressive quietness, making it barely noticeable even when the compressor kicks on.
Size and Installation
Its bulkiness and window size requirements mean careful measurement is necessary before installation to ensure a proper fit.
Additional Features
Remote, app, and voice control features add convenience, complementing the unit's smart functionality and versatile climate control.

The Midea 12,000 BTU Smart Inverter Window Air Conditioner is a solid choice for cooling rooms up to 550 square feet, making it suitable for larger bedrooms or living areas. It offers versatile comfort with cooling, heating, and dehumidifying functions all in one device, which can be controlled via remote, an app, or voice assistants like Alexa and Google. The inverter technology helps save energy, with an efficient SEER rating of 13.3, potentially reducing your electricity bills by about 35% compared to standard units.

Noise levels are reasonably low at around 45 dBA on the quietest setting, so it won't be distracting during work or sleep. Installation fits double-hung windows between 24 and 38.5 inches wide, and the unit includes a handy installation kit. The washable front filter is easy to access, making upkeep straightforward. The heat function stops working if outdoor temperatures drop to 41°F or lower, so it’s not ideal for very cold climates. While the noise is quiet for an air conditioner, it is listed at 58 dB overall, which might be noticeable in very quiet rooms.

The size is somewhat bulky, typical for this power level, so ensure your window space can accommodate it. If you want a budget-friendly, energy-efficient window AC with heating and smart features, this Midea unit covers most bases well, though it’s best suited for moderate climates and users comfortable with occasional noise.

Rating
10.0
Chosen by1,431
Energy Efficiency Ratio (EER)
Noise Level
Size and Installation

Most important from
18424 reviews

Energy Efficiency Ratio (EER)
Energy efficiency is a standout feature, with the AC consuming roughly half the power of comparable inverter models.
Noise Level
The unit operates with impressive quietness, making it barely noticeable even when the compressor kicks on.
Size and Installation
Its bulkiness and window size requirements mean careful measurement is necessary before installation to ensure a proper fit.
Additional Features
Remote, app, and voice control features add convenience, complementing the unit's smart functionality and versatile climate control.
#2

Midea 8,000 BTU EasyCool Window Air Conditioner, Dehumidifier and Fan - Cool, Circulate and Dehumidify up to 350 Sq. Ft., Reusable Filter, Remote Control

Rating
9.1
Noise Level
Size and Installation
Additional Features

Most important from
18424 reviews

Noise Level
This window AC operates much quieter than typical models, producing a steady fan noise without the irritating buzzing common in other units.
Size and Installation
Installation includes helpful accessories like locking screws and insulating tape, though fitting the unit in older or non-standard windows may require some creativity.
Additional Features
The system’s smart features, including Wi-Fi control and scheduling via app, add convenient remote operation and customization.
Maintenance and Filter Type
Users appreciate the reusable filter that simplifies maintenance and helps improve indoor air quality by trapping dust and pet hair.

The Midea MAW08R1BWT window air conditioner is a solid choice for cooling rooms up to 350 square feet with its 8,000 BTU capacity. It offers three useful modes: cooling, fan-only for air circulation, and a dehumidifier, making it versatile for different weather conditions. With an energy efficiency rating (SEER) of 12 and features like Eco mode and a programmable timer, it helps reduce electricity use, which is great for saving on bills. Noise-wise, it runs around 55 decibels, which is quieter than many older models but may still be noticeable in very quiet environments.

Installation is straightforward for standard windows between 23 to 36 inches wide and 14 inches high, though a screwdriver (not included) is needed and some users might find drilling pilot holes helpful. The unit includes a reusable filter that traps dust and pet hair, simplifying maintenance and improving air quality. A remote control and LED display add convenience for adjusting settings from across the room.

While it doesn't come with an advanced air purification system and has a moderate noise level, its combination of efficiency, multi-functionality, and easy installation makes it a practical option for apartments or medium-sized rooms needing reliable cooling and humidity control. The one-year warranty also provides some peace of mind for buyers.

Rating
9.1
Noise Level
Size and Installation
Additional Features

Most important from
18424 reviews

Noise Level
This window AC operates much quieter than typical models, producing a steady fan noise without the irritating buzzing common in other units.
Size and Installation
Installation includes helpful accessories like locking screws and insulating tape, though fitting the unit in older or non-standard windows may require some creativity.
Additional Features
The system’s smart features, including Wi-Fi control and scheduling via app, add convenient remote operation and customization.
Maintenance and Filter Type
Users appreciate the reusable filter that simplifies maintenance and helps improve indoor air quality by trapping dust and pet hair.
#3

Whirlpool 24,000 BTU Window Air Conditioner with Dehumidifier, 230V, Window AC for Extra Large Rooms up to 1500 Sq. Ft., Bedroom, Living Room, Apartment, with Remote, 3 Speeds, and 24H Timer, White

Rating
9.1
Cooling Capacity (BTUs)
Noise Level
Size and Installation

Most important from
1116 reviews

Cooling Capacity (BTUs)
Delivers powerful cooling that efficiently keeps large spaces ice cold, significantly reducing electricity bills compared to central air.
Noise Level
Operates relatively quietly at about 51 decibels, making it unobtrusive for daily use.
Size and Installation
Installation is manageable with basic carpentry skills, especially when using proper support brackets and ensuring correct drainage slope.
Additional Features
Remote control is well designed and intuitive, adding convenience to adjusting settings from across the room.
Maintenance and Filter Type
Maintenance is straightforward with a replaceable filter and a helpful alert system to remind when cleaning or replacement is needed.

The Whirlpool 24,000 BTU window air conditioner is designed for extra-large rooms, effectively cooling spaces up to 1,500 square feet, making it a solid choice for big bedrooms, living rooms, or apartments. Its strong cooling capacity is complemented by a built-in dehumidifier that removes moisture, which helps improve indoor comfort. The unit offers three fan speeds, eco and sleep modes, and a 24-hour timer, giving you several ways to customize the cooling experience.

Installation is made relatively simple with a mounting kit, though it requires a special 230V power outlet, which is not standard in most homes and could mean extra electrical work. Noise level sits around 51 decibels, roughly the quietness of a normal conversation, so it won't be too disruptive. Maintenance is user-friendly thanks to a replaceable filter with an alert system to remind you when cleaning or replacement is needed. The included remote control adds convenience by letting you adjust settings from across the room.

For those with a large space and the appropriate power supply, this Whirlpool window AC offers a powerful, versatile cooling solution with helpful features for ease of use and upkeep. The unit is moderately sized and weighs about 36 pounds, so while installation is doable, it might require some help.

Rating
9.1
Cooling Capacity (BTUs)
Noise Level
Size and Installation

Most important from
1116 reviews

Cooling Capacity (BTUs)
Delivers powerful cooling that efficiently keeps large spaces ice cold, significantly reducing electricity bills compared to central air.
Noise Level
Operates relatively quietly at about 51 decibels, making it unobtrusive for daily use.
Size and Installation
Installation is manageable with basic carpentry skills, especially when using proper support brackets and ensuring correct drainage slope.
Additional Features
Remote control is well designed and intuitive, adding convenience to adjusting settings from across the room.
Maintenance and Filter Type
Maintenance is straightforward with a replaceable filter and a helpful alert system to remind when cleaning or replacement is needed.

Buying Guide for the Best Window Acs

Choosing the right window air conditioner (AC) can make a significant difference in your comfort during hot weather. The right unit will efficiently cool your space, be energy-efficient, and fit well within your room's design. To make an informed decision, you need to consider several key specifications. Understanding these specs will help you select the best window AC for your needs.
Cooling Capacity (BTUs)BTU stands for British Thermal Unit, and it measures the cooling power of an AC. The higher the BTU, the more powerful the unit. It's important because it determines how effectively the AC can cool a room. For small rooms (100-300 sq. ft.), 5,000-7,000 BTUs are sufficient. Medium rooms (300-500 sq. ft.) need 8,000-12,000 BTUs, while large rooms (500+ sq. ft.) require 12,000-18,000 BTUs. Choose a unit with the right BTU rating for your room size to ensure efficient cooling.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an AC uses electricity to cool a room. A higher EER means better energy efficiency, which can save you money on your electricity bills. EER is calculated by dividing the BTUs by the power consumption in watts. Look for units with an EER of 10 or higher for good energy efficiency. If you prioritize saving on energy costs, opt for a unit with a higher EER.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the AC will be when operating. This is important if you plan to use the AC in a bedroom or a quiet space. Units with noise levels below 50 dB are considered quiet, while those above 60 dB can be quite loud. If you are sensitive to noise or need a quiet environment, choose a unit with a lower noise level.
Size and InstallationThe physical size of the window AC and its installation requirements are crucial. Ensure the unit fits your window dimensions and check if it comes with an installation kit. Some units are designed for easy DIY installation, while others may require professional help. Measure your window and compare it with the AC's dimensions to ensure a proper fit. If you prefer a hassle-free setup, look for units with easy installation features.
Additional FeaturesModern window ACs come with various additional features that can enhance convenience and comfort. These may include remote control, programmable timers, sleep mode, energy-saving mode, and Wi-Fi connectivity. Consider which features are important to you. For example, a remote control can be handy for adjusting settings from a distance, while a programmable timer can help you save energy by turning the unit on and off automatically.
Maintenance and Filter TypeRegular maintenance is essential for the efficient operation of your window AC. Check the type of filter the unit uses and how easy it is to clean or replace. Washable and reusable filters are cost-effective and environmentally friendly. Ensure the unit allows easy access to the filter for regular cleaning. If you want to minimize maintenance efforts, choose a unit with a filter that is easy to remove and clean.

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