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10 Best Air Conditioners Air Conditioners 2025 in the United States
#1
Winner
BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White
The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile unit designed for rooms up to 700 sq. ft. Its cooling capacity is notable at 14,000 BTU ASHRAE (10,000 BTU DOE), making it suitable for large spaces. Additionally, it offers 12,000 BTU heating, which is great for year-round use. The unit stands out with its four-in-one functionality: air conditioning, heating, dehumidifying, and fan modes.
Rating
9.7
Chosen by1,477
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
43643 reviews
#2
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
The Midea Duo Portable Air Conditioner offers strong cooling power with 14,000 BTU, suitable for rooms up to 550 square feet, making it a good fit for medium to larger spaces. It features an innovative dual hose design that improves air circulation by using one hose to intake and another to exhaust air, which helps the unit cool more efficiently and prevents hot air from leaking back in. Thanks to inverter technology, it runs more energy-efficiently than many traditional portable ACs, potentially saving about 40% on electricity. Noise levels are fairly low at around 42 dB, which is about as quiet as a library, so it won’t be too disruptive in your living space.
Rating
9.4
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
6392 reviews
#3
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit
The SereneLife Portable Air Conditioner offers a solid cooling capacity of 10,000 BTU, making it suitable for rooms up to 450 square feet. This size fits well for medium-sized bedrooms or small living areas. It uses R-32 refrigerant and has a SEER rating of 10.5, providing decent energy efficiency for its class, helping keep electricity costs reasonable. Noise levels range around 52-57 dB, which is fairly typical for portable ACs—loud enough to notice but not overly disruptive for most users.
Rating
9.2
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
22482 reviews
Top 10 Best Air Conditioners Air Conditioners 2025 in the United States
#1
Winner
BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White
BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU (10,200 BTU SACC) Cooling, 12,000 BTU Heating for Rooms up to 700 Sq. Ft., Follow Me Remote, BPACT14HWT, White
Cooling Capacity (BTU): 14,000 BTU ASHRAE (10,000 BTU DOE)
Energy Efficiency Ratio (EER): 6.2
Noise Level: 54 dB
Type of Air Conditioner: Portable
Additional Features: Wi-Fi, Alexa, Google Assistant, remote
Chosen by 1477 this week
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
Midea Duo 14,000 BTU (12,000 BTU SACC) High Efficiency Inverter Ultra Quiet Portable Air Conditioner, with Heat up to 550 Sq. Ft., Works with Alexa/Google Assistant, with Remote Control & Window Kit
Cooling Capacity (BTU): 14,000 BTU
Energy Efficiency Ratio (EER): 12.3
Noise Level: 42 dB
Type of Air Conditioner: Portable
Additional Features: Heating, Cooling, Dust Filter, Wi-Fi, Voice
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit
SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier - Portable AC unit for rooms up to 450 sq ft - Remote Control, Window Mount Exhaust Kit
Cooling Capacity (BTU): 10000
Energy Efficiency Ratio (EER): 10.5
Noise Level: 52-57 dB
Type of Air Conditioner: Portable
Additional Features: Remote, 4 Way Swing, Dehumidifier, Fast Cooling
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 (BTU): 8000
Noise Level: 53 dB
Type of Air Conditioner: Window
Additional Features: remote control, washable filter, auto-restart
Related Products
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
Whynter Portable Air Conditioner 14,000 BTU with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14S (9,500 SACC)
Cooling Capacity (BTU): 14000 BTU
Energy Efficiency Ratio (EER): 7.69 EER
Noise Level: 51 dB
Type of Air Conditioner: Portable
Additional Features: Carbon Filter, Dual Hose, Dehumidifier
Daikin 2-Zone (9,000 BTU + 9,000 BTU) CIRRA Series Mini Split bundled Air Conditioner Heat Pump System with Maxwell 15 ft. Installation Kit and Wall Bracket
Daikin 2-Zone (9,000 BTU + 9,000 BTU) CIRRA Series Mini Split bundled Air Conditioner Heat Pump System with Maxwell 15 ft. Installation Kit and Wall Bracket
Cooling Capacity (BTU): 9000 British Thermal Units
Noise Level: 51 dB
Type of Air Conditioner: Mini-Split
Additional Features: Anti-Corrosion, Auto Defrost, Eco+ Mode
#10
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 (BTU): 5000
Noise Level: 52 dB
Type of Air Conditioner: window-mounted
Additional Features: Effortless Temperature Control, washable filter
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Buying Guide for the Best Air Conditioners Air Conditioners
Choosing the right air conditioner can significantly enhance your comfort at home or in the office. The key is to understand your specific needs and match them with the right features and 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 the amount of 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 BTU rating will cool the room too quickly without removing humidity, leading to a damp, uncomfortable environment. To choose the right BTU, consider the size of the room: smaller rooms (up to 150 sq. ft.) typically need around 5,000-6,000 BTUs, medium rooms (150-350 sq. ft.) need 7,000-8,000 BTUs, and larger rooms (350-550 sq. ft.) may require 10,000-12,000 BTUs.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the efficiency of an air conditioner by comparing its cooling capacity to its power consumption. A higher EER means the unit is more efficient, which can lead to lower energy bills. EER values typically range from 8 to 12. For those who prioritize energy savings and environmental impact, choosing an air conditioner with a higher EER (10 or above) is advisable.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the air conditioner will be during operation. This is important for maintaining a comfortable and quiet environment, especially in bedrooms or offices. Air conditioners generally range from 40 dB (quiet) to 60 dB (louder). If you are sensitive to noise or plan to use the unit in a quiet space, look for models with lower dB ratings.
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, split systems are efficient for cooling multiple rooms without ductwork, and central air conditioning is ideal for whole-house cooling. Your choice should depend on the space you need to cool and whether you prefer a permanent or flexible solution.
Additional FeaturesModern air conditioners come with various additional features that can enhance convenience and comfort. These may include programmable timers, remote controls, sleep modes, air purifiers, and smart connectivity for remote operation via smartphone apps. Consider which features are important to you based on your lifestyle and preferences. For example, a programmable timer can help you save energy by turning the unit off when you're not home, while smart connectivity allows for easy control from anywhere.