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10 Best Window Acs 2025 in the United States

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Our Top Picks

#1

Winner

Frigidaire 12,000 BTU Window Air Conditioner with Remote Control, Cools Up to 550 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White

Rating
9.8
Chosen by1,217
Cooling Capacity (BTUs)
Noise Level

Most important from
16744 reviews

Cooling Capacity (BTUs)
Effectively cools a range of spaces, from bedrooms to larger living areas.
Noise Level
Some praise the quiet operation, while others find it louder than expected.

The Frigidaire 12,000 BTU Window Air Conditioner is a solid choice for cooling larger rooms up to 550 sq. ft. It offers customizable cooling with three fan speeds and 6-way directional airflow to help you achieve optimal comfort. This model also comes with a remote control for convenience, along with a washable dust filter and Clean Filter alerts to simplify maintenance.

Energy efficiency is supported by Eco Mode and Sleep Mode, which can save energy while maintaining comfort. The unit operates at a quiet 57 dB, making it suitable for bedrooms or living areas where low noise is important. Additionally, it includes a 24-hour on/off timer and Dry Mode for removing excess moisture from the air.

The size and installation are standard for window AC units, with dimensions of 21.4 x 18.9 x 14.6 inches and a weight of 63.5 pounds, which should be manageable for most users. This air conditioner is user-friendly with decent energy-saving features and quiet operation, but there are more energy-efficient models available.

Rating
9.8
Chosen by1,217
Cooling Capacity (BTUs)
Noise Level

Most important from
16744 reviews

Cooling Capacity (BTUs)
Effectively cools a range of spaces, from bedrooms to larger living areas.
Noise Level
Some praise the quiet operation, while others find it louder than expected.
#2

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

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

Most important from
11626 reviews

Cooling Capacity (BTUs)
It delivers powerful cooling, described as 'seriously cold air,' making it effective for larger spaces beyond just small rooms.
Energy Efficiency Ratio (EER)
The air conditioner is praised for its energy efficiency, maintaining comfortable temperatures with minimal energy consumption.
Noise Level
The Midea unit is impressively quiet, with a significant reduction in noise compared to traditional portable units, allowing for easy conversation even when the compressor is on.
Size and Installation
Installation, while slightly more involved than traditional units, is manageable solo with some preparation, like watching a guide video.
Additional Features
Smart features, including app integration and a night/sleep mode that dims the LED display, add convenience and improve user experience.

The Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner stands out with its unique design and smart features. It's ideal for cooling spaces up to 350 sq. ft., making it suitable for small to medium-sized rooms. The U-shaped design is a significant advantage, as it not only allows the window to open but also helps in reducing noise, making it one of the quietest units available, operating as low as 32 dBA. This is perfect for those who value a quiet environment.

Additionally, it offers more than 35% energy savings with its advanced DC Inverter technology and has earned the ENERGY STAR Most Efficient Certification, ensuring lower electricity bills. Another highlight is the smart control feature, allowing remote operation via the SmartHome app or through voice commands with Alexa and Google Assistant, adding a layer of convenience. However, some users might find the installation process a bit complex due to the U-shaped design, even though it includes a quick-snap bracket for easier setup.

Maintenance is straightforward with a dust filter that can be easily cleaned. The noise level of 42 dB is quite low for an air conditioner. While it is energy-efficient and feature-rich, its relatively higher upfront cost and the specific window compatibility (single-hung or double-hung windows) might be limiting factors for some consumers. For those looking for a quiet, energy-saving, and smart window air conditioner, the Midea 8,000 BTU U Shaped Smart Inverter AC is a strong contender.

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

Most important from
11626 reviews

Cooling Capacity (BTUs)
It delivers powerful cooling, described as 'seriously cold air,' making it effective for larger spaces beyond just small rooms.
Energy Efficiency Ratio (EER)
The air conditioner is praised for its energy efficiency, maintaining comfortable temperatures with minimal energy consumption.
Noise Level
The Midea unit is impressively quiet, with a significant reduction in noise compared to traditional portable units, allowing for easy conversation even when the compressor is on.
Size and Installation
Installation, while slightly more involved than traditional units, is manageable solo with some preparation, like watching a guide video.
Additional Features
Smart features, including app integration and a night/sleep mode that dims the LED display, add convenience and improve user experience.
#3

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

Rating
9.4
Cooling Capacity (BTUs)
Noise Level
Size and Installation

Most important from
16744 reviews

Cooling Capacity (BTUs)
This air conditioner is perfect for small rooms, providing excellent cooling performance even during heatwaves.
Noise Level
The quiet operation of this unit is a significant advantage, making it quieter than a pedestal fan.
Size and Installation
The unit is lightweight and easy to manage, but having an extra hand during installation is recommended.

The Frigidaire 5,000 BTU Window-Mounted Air Conditioner is designed for cooling small spaces up to 250 square feet, making it well-suited for bedrooms or compact living areas. With its two fan speeds and Effortless Temperature Control, it ensures customized and consistent cooling, allowing users to set their preferred comfort levels. The air conditioner operates quietly at 52 dB, which is a plus for those seeking a peaceful environment. However, it's important to note that this unit is not Energy Star certified, which means it might not be the most energy-efficient option available despite its SEER of 11.

Installation is straightforward with adjustable side panels, and the extra-long power cord removes the need for extension cords, offering a more secure setup. Maintenance is made easy with a washable dust filter, promoting long-lasting performance and cleaner air. The Auto Restart feature is a convenient addition, particularly in areas prone to power outages, as it restores previous settings automatically.

While the cooling capacity of 5,000 BTUs is generally sufficient for smaller rooms, it may not be suitable for larger areas. Additionally, potential buyers seeking advanced energy efficiency or modern smart features might find this model lacking. Essentially, this air conditioner is a solid choice for those prioritizing quiet operation and ease of use in a small living space, but it does come with some limitations in terms of energy efficiency and additional tech features.

Rating
9.4
Cooling Capacity (BTUs)
Noise Level
Size and Installation

Most important from
16744 reviews

Cooling Capacity (BTUs)
This air conditioner is perfect for small rooms, providing excellent cooling performance even during heatwaves.
Noise Level
The quiet operation of this unit is a significant advantage, making it quieter than a pedestal fan.
Size and Installation
The unit is lightweight and easy to manage, but having an extra hand during installation is recommended.

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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