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10 Best Quiet Air Conditioning Window Units 2025 in the United States

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Our Top Picks

#1

Winner

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
10.0
Chosen by1,186
Noise Level
Cooling Capacity (BTUs)
Size and Installation

Most important from
11625 reviews

Noise Level
Much quieter than the portable unit we had. From about 4 feet away with the compressor on and the fan on high, it's about 65 dB. With the compressor off and the fan on low, it's about 45 dB.
Cooling Capacity (BTUs)
The Midea puts out some seriously cold air. My wife said 'it's too cold,' and turned the temperature up.
Size and Installation
The installation is relatively easy even for one person. I watched a YouTube video twice before starting, and it was straightforward.
Additional Features
This air conditioner is truly the best design you can get. Almost everything bad or inconvenient about in-window AC units is totally resolved by this product.

The Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner is an excellent choice for those seeking a quiet and efficient cooling solution. With a noise level of only 42 dB, it is significantly quieter than traditional units, thanks to its unique U-shaped design that uses the window to block external noise. This design also allows the window to open for fresh air, which is a unique and convenient feature not common in most window AC units. The unit's 8,000 BTU cooling capacity is suitable for rooms up to 350 sq. ft., making it ideal for bedrooms, small living rooms, or offices.

Additionally, it boasts a high Seasonal Energy Efficiency Ratio (SEER) of 15, which, combined with its advanced DC Inverter technology, results in over 35% energy savings, earning it the ENERGY STAR Most Efficient Certification. This means lower electricity bills and a smaller carbon footprint. Installation is straightforward with the included quick-snap bracket, and the unit fits windows that are 22 to 36 inches wide with a minimum height of 13.75 inches.

The Midea U also includes smart control features, allowing you to operate it via the SmartHome app or voice commands using Alexa or Google Assistant, adding to its convenience. Some additional features include a dust filter, fast cooling, and a built-in dehumidifier, contributing to better air quality and comfort. One potential drawback is its weight (55.6 pounds), which might make installation challenging for some users. However, the benefits such as ultra-quiet operation, energy efficiency, and smart controls make it a strong contender in the quiet-air-conditioning-window-units category.

Rating
10.0
Chosen by1,186
Noise Level
Cooling Capacity (BTUs)
Size and Installation

Most important from
11625 reviews

Noise Level
Much quieter than the portable unit we had. From about 4 feet away with the compressor on and the fan on high, it's about 65 dB. With the compressor off and the fan on low, it's about 45 dB.
Cooling Capacity (BTUs)
The Midea puts out some seriously cold air. My wife said 'it's too cold,' and turned the temperature up.
Size and Installation
The installation is relatively easy even for one person. I watched a YouTube video twice before starting, and it was straightforward.
Additional Features
This air conditioner is truly the best design you can get. Almost everything bad or inconvenient about in-window AC units is totally resolved by this product.
#2

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
10.0
Noise Level
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)

Most important from
4423 reviews

Noise Level
The unit is whisper quiet, perfect for those sensitive to noise, with the compressor being almost inaudible.
Cooling Capacity (BTUs)
The unit works efficiently and cools rooms effectively, even in high temperatures.
Energy Efficiency Ratio (EER)
The unit's energy efficiency is notable, with users expecting lower electricity bills.
Size and Installation
Installation requires patience and a bit of common sense, but the included brackets provide excellent support without needing to drill into walls.
Additional Features
Wi-Fi capability adds convenience, allowing control from a smartphone, which is great for pre-cooling rooms before use.

The Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner stands out for its ultra-quiet operation, which makes it a strong contender for those needing a silent cooling solution. The U-shaped design uses the window to block outside noise, achieving noise levels as low as 32 dBA—much quieter than traditional units. This feature is particularly beneficial for light sleepers or those living in noise-sensitive environments.

The unit's cooling capacity, at 10,000 BTUs, is sufficient for rooms up to 450 sq. ft., making it a good fit for medium to large-sized rooms. Its high SEER rating of 15 and claimed 35% energy savings highlight its energy efficiency, which could lead to lower electricity bills over time. The inclusion of an Energy Star certification further supports its energy-efficient operation.

Installation appears straightforward with the quick-snap bracket system and is compatible with single-hung or double-hung windows with a width of 22-36 inches and a minimum height of 13.75 inches. The U-shaped design also allows for some flexibility in opening the window even with the unit installed, making it unique among window AC units. Smart control features include Wi-Fi connectivity and compatibility with Alexa and Google Assistant, providing convenience for tech-savvy users. Additionally, the anti-theft mechanism adds an extra layer of security. Potential buyers should consider the unit's dimensions to ensure it fits their window space. This air conditioner offers quiet, efficient cooling with modern smart features, making it suitable for tech enthusiasts and those prioritizing noise reduction and energy efficiency.

Rating
10.0
Noise Level
Cooling Capacity (BTUs)
Energy Efficiency Ratio (EER)

Most important from
4423 reviews

Noise Level
The unit is whisper quiet, perfect for those sensitive to noise, with the compressor being almost inaudible.
Cooling Capacity (BTUs)
The unit works efficiently and cools rooms effectively, even in high temperatures.
Energy Efficiency Ratio (EER)
The unit's energy efficiency is notable, with users expecting lower electricity bills.
Size and Installation
Installation requires patience and a bit of common sense, but the included brackets provide excellent support without needing to drill into walls.
Additional Features
Wi-Fi capability adds convenience, allowing control from a smartphone, which is great for pre-cooling rooms before use.

Buying Guide for the Best Quiet Air Conditioning Window Units

When choosing a quiet air conditioning window unit, it's important to consider several key specifications to ensure you get the best fit for your needs. A quiet unit can make a significant difference in your comfort, especially if you plan to use it in a bedroom or office where noise levels are a concern. Here are the key specs to look at and how to navigate them to find the right unit for you.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the air conditioning unit will be when in operation. This spec is crucial if you want a quiet environment. Units typically range from 40 dB (very quiet) to 60 dB (moderate noise). For a bedroom or office, aim for a unit that operates at 50 dB or lower. If you are particularly sensitive to noise, look for units that are specifically marketed as 'quiet' or 'ultra-quiet'.
Cooling Capacity (BTUs)Cooling capacity is measured in British Thermal Units (BTUs) and indicates how much heat the unit can remove from a room per hour. This is important to ensure the unit can effectively cool your space. Units range from 5,000 BTUs (suitable for small rooms up to 150 square feet) to 24,000 BTUs (suitable for large rooms up to 1,500 square feet). To pick the right one, measure your room's square footage and match it to the appropriate BTU rating. For example, a 200 square foot room would need a unit with around 6,000 BTUs.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the unit's efficiency in converting electricity into cooling power. A higher EER means better energy efficiency, which is important for reducing electricity bills and environmental impact. EER values typically range from 8 to 12. For a more energy-efficient unit, look for an EER of 10 or higher. Consider your usage patterns; if you plan to use the unit frequently, a higher EER can lead to significant savings over time.
Size and InstallationThe size and installation of the unit are important for ensuring it fits your window and can be installed properly. Measure your window dimensions and compare them to the unit's specifications. Some units are designed for standard windows, while others may require additional support or modifications. Ensure the unit comes with a proper installation kit and clear instructions. If you are not comfortable with DIY installation, consider professional installation services.
Additional FeaturesAdditional features can enhance the usability and convenience of the air conditioning unit. Look for features such as remote control, programmable timer, sleep mode, and adjustable fan speeds. These features can make the unit more user-friendly and adaptable to your specific needs. For example, a programmable timer allows you to set the unit to turn on or off at specific times, which can be useful for maintaining a comfortable temperature while saving energy.

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