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10 Best Air Conditioners 2026 in the United States
#1
Winner
Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 37% Energy Savings, Remote (Updated)
The Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner is designed to cool rooms up to about 350 square feet, making it suitable for medium-sized bedrooms or offices. Its unique U-shaped design allows you to open your window while the unit is running, enabling fresh air circulation and maintaining your view, a feature not commonly found in most window ACs. It operates very quietly at just 32 decibels, roughly the sound level of a whisper, ensuring it won’t disturb your peace or sleep.
Rating
10.0
Chosen by1,345
Noise Level
Type of Air Conditioner
Additional Features
Most important from
634 reviews
#2
Whynter ARC-1230WN 14,000 BTU (12,000 BTU SACC) NEX Inverter Dual Hose Cooling Portable Air Conditioner, Dehumidifier, and Fan with Smart Wi-Fi, Up to 600 sq ft in White
The Whynter ARC-1230WN is a strong choice if you want a portable air conditioner that can cool medium to large rooms up to 600 square feet. With a cooling power of 14,000 BTU (12,000 BTU SACC), it provides solid cooling performance suitable for most homes or offices. Its inverter technology makes it more energy-efficient compared to many standard portable ACs, reflected in a respectable SEER rating of 12.3. It’s also designed to be fairly quiet at 42.5 decibels, so it won’t be too disruptive in a bedroom or living space.
Rating
9.1
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
1104 reviews
#3
LG 24,500 BTU Smart Window Air Conditioner, 230/208V, Cools Room up to 1560 Sq. Ft. for Bedrooms, Living Room, Apartments, with Remote, 3 Fan Speeds, 24-Hour Timer, White
The LG 24,500 BTU Smart Window Air Conditioner is a strong option for cooling large rooms up to about 1,560 square feet, making it suitable for spacious bedrooms, living rooms, or small apartments. Its high cooling capacity means it can handle bigger spaces better than many smaller units. The unit is equipped with LG ThinQ technology, allowing you to control it remotely via your smartphone, and it works with voice assistants like Amazon Alexa and Google Assistant, which is convenient if you want smart home integration. It offers 3 fan speeds and a 24-hour timer, giving you flexibility to customize cooling and save energy when it's not needed.
Rating
9.1
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
43 reviews
Top 10 Best Air Conditioners 2026 in the United States
#1
Winner
Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 37% Energy Savings, Remote (Updated)
Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 350 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 37% Energy Savings, Remote (Updated)
Cooling Capacity (BTU): 8,000 BTU
Noise Level: 32 dB
Type of Air Conditioner: Window
Additional Features: Dehumidifier, Dust Filter, Fast Cooling
Chosen by 1345 this week
Whynter ARC-1230WN 14,000 BTU (12,000 BTU SACC) NEX Inverter Dual Hose Cooling Portable Air Conditioner, Dehumidifier, and Fan with Smart Wi-Fi, Up to 600 sq ft in White
Whynter ARC-1230WN 14,000 BTU (12,000 BTU SACC) NEX Inverter Dual Hose Cooling Portable Air Conditioner, Dehumidifier, and Fan with Smart Wi-Fi, Up to 600 sq ft in White
Cooling Capacity (BTU): 14000 British Thermal Units
Noise Level: 42.5 Decibels
Type of Air Conditioner: Portable
Additional Features: Cooling, dehumidifying, fan mode, dual-hose, smart Wi-Fi
LG 24,500 BTU Smart Window Air Conditioner, 230/208V, Cools Room up to 1560 Sq. Ft. for Bedrooms, Living Room, Apartments, with Remote, 3 Fan Speeds, 24-Hour Timer, White
LG 24,500 BTU Smart Window Air Conditioner, 230/208V, Cools Room up to 1560 Sq. Ft. for Bedrooms, Living Room, Apartments, with Remote, 3 Fan Speeds, 24-Hour Timer, White
Cooling Capacity (BTU): 24500 BTU
Noise Level: 61 dB
Type of Air Conditioner: Window
Additional Features: Filter light, Remote, Silent mode, WiFi, Voice
Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 450 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 35% Energy Savings, Remote (Updated)
Midea 10,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 450 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 35% Energy Savings, Remote (Updated)
Cooling Capacity (BTU): 10000 British Thermal Units
Noise Level: 32 Decibels
Type of Air Conditioner: Window
Additional Features: Dehumidifier, Dust Filter, Fast Cooling, Remote
Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 550 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 35% Energy Savings, Remote (Updated)
Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner - Cools 550 Sq Ft, Ultra Quiet with Open Window Flexibility - Alexa/Google Assistant Compatible - 35% Energy Savings, Remote (Updated)
Cooling Capacity (BTU): 12,000 BTU
Noise Level: 32 dB
Type of Air Conditioner: Window
Additional Features: Dehumidifier, Dust Filter, Fast Cooling
Related Products
TOSOT 16000 BTU GO Cool RV Air Conditioner, Non-Ducted Camper Rooftop AC Unit with Heat Pump, WiFi and Remote Control, Quiet Air Conditioner for Campers & Trailers, White
TOSOT 16000 BTU GO Cool RV Air Conditioner, Non-Ducted Camper Rooftop AC Unit with Heat Pump, WiFi and Remote Control, Quiet Air Conditioner for Campers & Trailers, White
Cooling Capacity (BTU): 15000 BTU
Energy Efficiency Ratio (EER): 8.5
Noise Level: 52 dB
Type of Air Conditioner: Non-ducted rooftop unit
Additional Features: Fast Cooling, Remote, WiFi
Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with Alexa, SEER2 20.8, 1 Ton, White
Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with Alexa, SEER2 20.8, 1 Ton, White
Cooling Capacity (BTU): 12000
Type of Air Conditioner: Mini Split
Additional Features: Alexa Enabled, DC Inverter, Heat Pump
#10
Goodman 3.5 Ton 15.2 SEER2 Heat Pump System with Multi-positional Air Handler R32 GLZS4BA4210 AMST42CU1300. Free Thermostat included.
Goodman 3.5 Ton 15.2 SEER2 Heat Pump System with Multi-positional Air Handler R32 GLZS4BA4210 AMST42CU1300. Free Thermostat included.
Cooling Capacity (BTU): 42000 BTU
Noise Level: 72 dB
Type of Air Conditioner: Split System
Additional Features: Air Purification Filter
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Buying Guide for the Best Air Conditioners
Choosing the right air conditioner can significantly impact your comfort and energy bills. The key is to understand your needs and match them with the right specifications. Here are some important factors to consider when selecting an air conditioner.Cooling Capacity (BTU)Cooling capacity, measured in British Thermal Units (BTU), indicates how much heat an air conditioner can remove from a room per hour. This is crucial because an air conditioner 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 humidity, leading to a clammy feeling. To choose the right BTU, consider the size of the room: small rooms (up to 150 sq. ft.) need around 5,000-6,000 BTU, medium rooms (150-300 sq. ft.) need 7,000-8,000 BTU, and large rooms (300-450 sq. ft.) need 10,000-12,000 BTU. For very large spaces, you may need 14,000 BTU or more.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an air conditioner uses energy to cool a room. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER is calculated by dividing the BTU rating by the unit's wattage. Look for air conditioners with an EER of 10 or higher for good efficiency. If you prioritize energy savings and environmental impact, aim for the highest EER you can find within your desired cooling capacity.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the air conditioner will be when operating. This is important for maintaining a comfortable and quiet environment, especially in bedrooms or living rooms. Air conditioners typically range from 40 dB (quiet) to 60 dB (moderate noise). If you are sensitive to noise or plan to use the unit in a quiet space, look for models with a noise level of 50 dB or lower.
Type of Air ConditionerThere are several types of air conditioners, including window units, portable units, split systems, and central air conditioning. Window units are easy to install and suitable for single rooms. Portable units offer flexibility and can be moved between rooms but may be less efficient. Split systems provide efficient cooling for multiple rooms and are quieter but require professional installation. Central air conditioning is ideal for cooling an entire home but involves higher installation costs. Choose the type based on your cooling needs, installation preferences, and whether you need to cool one room or multiple areas.
Additional FeaturesModern air conditioners come with various additional features that can enhance convenience and comfort. These may include programmable timers, remote controls, sleep modes, energy-saving modes, and smart connectivity for control via smartphone apps. Consider which features are important to you. For example, a programmable timer can help you save energy by cooling the room only when needed, while smart connectivity allows for remote operation and monitoring.