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10 Best Air Conditioners 2025 in the United States
#1
Winner
Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with Alexa, SEER2 20.8, 1 Ton, White
The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a substantial cooling capacity of 12,000 BTU, making it suitable for cooling medium-sized rooms. One of its standout features is the high Seasonal Energy Efficiency Ratio (SEER) of 20.8, which indicates it operates efficiently and could help reduce electricity bills. The inclusion of a DC Inverter further enhances its energy efficiency and performance consistency.
Rating
10.0
Chosen by1,307
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
7832 reviews
#2
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
The Senville LETO Series Mini Split Air Conditioner offers 9,000 BTU of cooling power, suitable for rooms up to around 400 square feet, making it ideal for bedrooms, small living areas, or modest commercial spaces. It features an inverter heat pump, providing efficient cooling and heating even in temperatures as low as 5°F (-15°C). A notable feature is its Alexa compatibility, enabling easy voice or app control, which adds convenience for smart home use.
Rating
9.7
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level
Most important from
7832 reviews
#3
3 Ton Goodman 14.5 SEER2 R-32 Air Conditioner Only Split System (GLXS4BA3610 AMST36CU1300)
The Goodman 3 Ton 14.5 SEER2 air conditioner paired with the multi-positional air handler offers solid cooling performance suitable for homes around 2100 square feet. With a cooling capacity of 36,000 BTUs (3 tons), it can comfortably cool medium to larger rooms. The SEER rating of 14.5 means it is reasonably energy efficient, although not the highest available on the market, so expect moderate electricity use. At 67 decibels, the noise level is about average — you’ll hear it running, but it shouldn’t be overly disruptive.
Rating
7.9
Cooling Capacity (BTU)
Noise Level
Additional Features
Most important from
71 reviews
Top 10 Best Air Conditioners 2025 in the United States
#1
Winner
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
Chosen by 1307 this week
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
Cooling Capacity (BTU): 9000 BTU
Noise Level: 25 dB
Type of Air Conditioner: Mini-Split
Additional Features: Alexa Enabled, inverter heat pump
3 Ton Goodman 14.5 SEER2 R-32 Air Conditioner Only Split System (GLXS4BA3610 AMST36CU1300)
3 Ton Goodman 14.5 SEER2 R-32 Air Conditioner Only Split System (GLXS4BA3610 AMST36CU1300)
Cooling Capacity (BTU): 36000 British Thermal Units
Noise Level: 67 Decibels
Type of Air Conditioner: Split System
Additional Features: Fast Cooling
Daikin 18,000 BTU (9K + 15K) 21SEER2 2-Zone Mini Split, Air Conditioner Heat Pump R-32 System with Maxwell 15 ft. Installation Kit and Wall Mounting Bracket
Daikin 18,000 BTU (9K + 15K) 21SEER2 2-Zone Mini Split, Air Conditioner Heat Pump R-32 System with Maxwell 15 ft. Installation Kit and Wall Mounting Bracket
Cooling Capacity (BTU): 18000 British Thermal Units
Energy Efficiency Ratio (EER): High
Noise Level: 24 Decibels
Type of Air Conditioner: Split System
Additional Features: Heating & Cooling, Inverter, Multi-Zone, Auto-Defrost
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
Related Products
BLACK+DECKER Portable Air Conditioner, 8,000 BTU (3,950 BTU SACC) for Rooms up to 400 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT08WT, White
BLACK+DECKER Portable Air Conditioner, 8,000 BTU (3,950 BTU SACC) for Rooms up to 400 Sq. Ft., Portable AC with Follow Me Remote Control and Window Kit, BPACT08WT, White
Cooling Capacity (BTU): 8000 BTU
Energy Efficiency Ratio (EER): 5.4
Noise Level: 54 dB
Type of Air Conditioner: Portable
Additional Features: Remote, 3-in-1 AC, Fan, Dehumidifier
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 550 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 550 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White
Cooling Capacity (BTU): 12000
Energy Efficiency Ratio (EER): 13.3
Noise Level: 45 dBA
Type of Air Conditioner: Window
Additional Features: Inverter Compressor, Remote, WiFi, Heating, Cooling, Dehumidifier
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)
Noise Level: 54 dB
Type of Air Conditioner: Portable
Additional Features: remote_control, smart connectivity, app control
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
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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.