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10 Best Small Window Unit 2025 in the United States
#1
Winner
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
The Midea 8,000 BTU Smart Inverter window air conditioner is a solid choice for cooling and heating rooms up to 350 square feet, making it well suited for medium-sized bedrooms or small living spaces. Its cooling capacity is strong enough to handle warm summer days, while the added heat pump feature can provide supplemental warmth during colder months, though the heater works best only when outdoor temperatures are above 41°F. Energy efficiency is a key strength here, with an Energy Star rating and an inverter compressor that uses up to 35% less electricity compared to standard models, helping save on electricity bills. Noise is kept impressively low at around 45 dB, which is quieter than many window units, allowing you to work or sleep without distraction.
Rating
10.0
Chosen by1,346
Noise Level
Energy Efficiency Ratio (EER)
Cooling Capacity (BTUs)
Most important from
262 reviews
#2
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
The Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner is a compact unit designed for smaller spaces. With a cooling capacity of 5,000 BTUs, it's suitable for cooling small rooms effectively. Its Energy Efficiency Ratio (EER) of 11 is decent, though not the highest in the market, indicating moderate energy efficiency. One of its notable strengths is the low noise level at 52 dB, making it a quieter option for those who are sensitive to noise or plan to use it in a bedroom or office space.
Rating
10.0
Cooling Capacity (BTUs)
Noise Level
Installation and Size
Most important from
16942 reviews
#3
Frigidaire 5,000 BTU Window Air Conditioner with Remote Control, Cools Up to 150 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White
The Frigidaire FHWC054TE1 Window Air Conditioner is designed for small spaces, offering a 5000 BTU cooling capacity suitable for rooms up to 150 square feet. Its standout features include an Energy Efficiency Ratio (EER) of 11, which is decent but not top-tier, and a noise level of 52 dB, making it relatively quiet for a window unit. The unit measures 14.4 x 16 x 12.2 inches and weighs 35.5 pounds, making it moderately easy to install with the included window kit.
Rating
9.9
Cooling Capacity (BTUs
Noise Level
Installation and Size
Most important from
16942 reviews
Top 10 Best Small Window Unit 2025 in the United States
#1
Winner
10.0 score
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
Cooling Capacity (BTUs): 8000 British Thermal Units
Noise Level: 45 dB
Installation and Size: Fits windows 24-38.5 inches wide
Additional Features: Inverter, Remote, WiFi, Heating, Cooling
Chosen by 1346 this week
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
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
Cooling Capacity (BTUs): 5000
Energy Efficiency Ratio (EER): 11
Noise Level: 52 dB
Installation and Size: 15.25"D x 16"W x 12"H
Additional Features: Dust Filter, Adjustable Side Panels
Frigidaire 5,000 BTU Window Air Conditioner with Remote Control, Cools Up to 150 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White
Frigidaire 5,000 BTU Window Air Conditioner with Remote Control, Cools Up to 150 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White
Cooling Capacity (BTUs): 5000
Energy Efficiency Ratio (EER): 11
Noise Level: 52 dB
Installation and Size: 14.4 x 16 x 12.2 in
Additional Features: Remote Controlled, Filter Light, Dust Filter
Amazon Basics 5000 BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Fit, Intuitive Mechanical Controls, White
Amazon Basics 5000 BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Fit, Intuitive Mechanical Controls, White
Cooling Capacity (BTUs): 5000 BTUs
Energy Efficiency Ratio (EER): 14
Noise Level: 56 dB
Installation and Size: Window; 15.98 x 13.19 x 12.05 in
Additional Features: 3-in-1, Temp Control, Washable Filter
Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office (2024 Upgrade)
Midea 6,000 BTU Window Air Conditioner, 3-in-1 Cool/Fan/Dehumidifier Window AC Unit, Easycool Air Conditioner with Remote Control, Cools up to 250 Sq. Ft., Fits bedroom, study, office (2024 Upgrade)
Cooling Capacity (BTUs): 6,000 BTU
Noise Level: 52 decibels
Installation and Size: Fits standard windows; 13.1x15.98x12 inches
Additional Features: Remote, Eco Mode, Dust Filter, Fast Cooling
Related Products
Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office
Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office
Cooling Capacity (BTUs): 5000 British Thermal Units
Energy Efficiency Ratio (EER): 11.0
Noise Level: 57 dB
Installation and Size: Fits 23-36 inch windows; 15x16x12 in
Additional Features: Dust filter, fast cooling, mechanical controls
LG 12,000 BTU Window Air Conditioner, 115V, Cools 550 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
LG 12,000 BTU Window Air Conditioner, 115V, Cools 550 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
Cooling Capacity (BTUs): 12000
Noise Level: 52 dB
Installation and Size: 22.2"D x 23.6"W x 15"H
Additional Features: remote_control, digital control panel
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
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
Cooling Capacity (BTUs): 10000
Noise Level: 42 dB
Installation and Size: Window: 22-36 inches, 13.75 inches height
Additional Features: Dust Filter, Fast Cooling, Dehumidifier, Wi-Fi
#10
8.4 score
LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White
Cooling Capacity (BTUs): 8000
Noise Level: 53 dB
Installation and Size: 19.6 x 19.4 x 12.4 inches
Additional Features: remote_control, auto restart, washable filter
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Buying Guide for the Best Small Window Unit
Choosing the right small window unit for your space can make a significant difference in comfort and energy efficiency. A small window unit is ideal for cooling a single room or a small area, and it's important to consider various factors to ensure you get the best fit for your needs. Here are some key specifications to consider when selecting a small window unit and how to navigate them.Cooling Capacity (BTUs)Cooling capacity, measured in British Thermal Units (BTUs), indicates how much heat the unit can remove from a room per hour. This is crucial because a unit with too low BTUs won't cool the room effectively, while one with too high BTUs will cool the room too quickly without removing humidity, leading to a clammy feeling. For small rooms (100-300 square feet), look for units with 5,000-6,000 BTUs. For slightly larger rooms (300-450 square feet), consider units with 7,000-8,000 BTUs. Match the BTU rating to your room size for optimal performance.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently the unit uses energy to cool a room. A higher EER means better energy efficiency, which can save you money on electricity bills. Look for units with an EER of 10 or higher for the best efficiency. If you plan to use the unit frequently, investing in a higher EER can be beneficial in the long run.
Noise LevelNoise level is an important consideration, especially if the unit will be used in a bedroom or a quiet space. Noise levels are measured in decibels (dB). Units with noise levels below 50 dB are considered quiet and are suitable for bedrooms or offices. If noise is not a major concern, you can opt for units with higher dB levels, but be aware that they may be more disruptive.
Installation and SizeEnsure the unit fits your window dimensions and is easy to install. Measure your window opening before purchasing to avoid compatibility issues. Some units come with installation kits that make the process easier. If you are not comfortable with DIY installation, consider hiring a professional to ensure the unit is securely and correctly installed.
Additional FeaturesAdditional features can enhance the functionality and convenience of your window unit. Look for features like remote control, programmable timers, sleep mode, and adjustable fan speeds. These features can provide greater control over the unit's operation and improve your overall comfort. Consider which features are most important to you based on how you plan to use the unit.