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10 Best Mini Split Air Conditioners 2025 in the United States
#1
Winner
Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White
The Senville LETO Series Mini Split Air Conditioner Heat Pump is a solid choice for cooling or heating spaces up to about 1,250 square feet, thanks to its strong 24,500 BTU (2-ton) capacity. It has a good energy efficiency rating (SEER 17), which means it should help save on electricity costs compared to less efficient models. This unit operates quietly at around 34 decibels, so it won’t be disruptive in bedrooms or living areas. It offers 4-in-1 functionality—air conditioning, heating (working even in cold temperatures down to 5°F), dehumidifying, and fan mode—making it versatile for year-round comfort. Another plus is its Alexa integration, allowing easy voice control and remote adjustments through an app, which adds convenience.
Rating
9.9
Chosen by1,351
BTU Capacity
Noise Level
Installation and Maintenance
Most important from
7184 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 Heat Pump is a versatile, all-season solution with a 9000 BTU capacity. Its high SEER rating of 21.5 makes it energy-efficient, though not Energy Star compliant. This unit works well for spaces up to 400 square feet and operates quietly at 25 dB, making it suitable for bedrooms and living areas.
Rating
9.8
Noise Level
Installation and Maintenance
Additional Features
Most important from
7184 reviews
#3
DELLA Vario Series 24000 BTU Mini Split AC Work with Alexa Ductless Inverter System 19 SEER2 Cools Up to 1500 Sq.Ft, Energy Saving, with 2 Ton Heat Pump Pre-Charged and 16.4ft Installation Kits
The Della 24000 BTU Mini Split AC offers strong performance for cooling and heating spaces up to 1500 sq. ft. With a 19 SEER2 rating, it is energy efficient and can save up to 30% on power consumption, which is excellent for cost-conscious users. The unit is also equipped with a heat pump that functions in temperatures as low as -4℉, making it versatile for both summer and winter use.
Rating
9.8
Noise Level
Installation and Maintenance
Additional Features
Most important from
1283 reviews
Top 10 Best Mini Split Air Conditioners 2025 in the United States
#1
Winner
9.9 score
Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White
Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White
BTU Capacity: 24500 British Thermal Units
SEER Rating: 17
Number of Zones: 1
Noise Level: 34 dB
Installation and Maintenance: Pro install; 5-year compressor warranty
Additional Features: 4-in-1, Alexa, 16-ft refrigerant line
Chosen by 1351 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
BTU Capacity: 9000
SEER Rating: 21.5
Noise Level: 25 dB
Installation and Maintenance: Professional installation required
Additional Features: Alexa Enabled, Dehumidifier, Turbo Function
DELLA Vario Series 24000 BTU Mini Split AC Work with Alexa Ductless Inverter System 19 SEER2 Cools Up to 1500 Sq.Ft, Energy Saving, with 2 Ton Heat Pump Pre-Charged and 16.4ft Installation Kits
DELLA Vario Series 24000 BTU Mini Split AC Work with Alexa Ductless Inverter System 19 SEER2 Cools Up to 1500 Sq.Ft, Energy Saving, with 2 Ton Heat Pump Pre-Charged and 16.4ft Installation Kits
BTU Capacity: 24000
SEER Rating: 19
Noise Level: 35 dB
Installation and Maintenance: Professional installation required
Additional Features: Remote, Alexa, WiFi, Fast Cooling
Senville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White
Senville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White
BTU Capacity: 18000
SEER Rating: 19
Number of Zones: 1
Noise Level: 30 dB
Installation and Maintenance: Professional installation, 5-year parts warranty
Additional Features: Inverter, Alexa, Heater, Dehumidifier, Fan
DELLA Vario Series 9000 BTU Mini Split Air Conditioner Work with Alexa 19 SEER2 Cools Up to 400 Sq.Ft Energy Efficient Ductless Inverter System, Heat Pump Pre-Charged and 16.4ft Installation Kits
DELLA Vario Series 9000 BTU Mini Split Air Conditioner Work with Alexa 19 SEER2 Cools Up to 400 Sq.Ft Energy Efficient Ductless Inverter System, Heat Pump Pre-Charged and 16.4ft Installation Kits
BTU Capacity: 9000
SEER Rating: 19
Noise Level: 41 dB
Installation and Maintenance: Professional installation required
Additional Features: Remote, Alexa, WiFi, Fast Cooling, DeHumidifier
Related Products
DELLA Vario Series 12000 BTU Mini Split Air Conditioner Work with Alexa 19 SEER2 Cools Up to 550 Sq.Ft Energy Efficient Ductless Inverter System, Heat Pump Pre-Charged and 16.4ft Installation Kits
DELLA Vario Series 12000 BTU Mini Split Air Conditioner Work with Alexa 19 SEER2 Cools Up to 550 Sq.Ft Energy Efficient Ductless Inverter System, Heat Pump Pre-Charged and 16.4ft Installation Kits
BTU Capacity: 12000
SEER Rating: 19
Noise Level: 42 dB
Installation and Maintenance: Professional installation required
Additional Features: Remote, Alexa, WiFi, Fast Cooling, Heating
YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 19 SEER2 208-230V Inverter Ductless AC Cool Up to 1250 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White
YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 19 SEER2 208-230V Inverter Ductless AC Cool Up to 1250 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White
BTU Capacity: 18000 BTU
SEER Rating: 19
Number of Zones: 1
Noise Level: 47 dB
Installation and Maintenance: Professional help; 2 packages; install kit
Additional Features: Auto, cool, dry, heat, fan; WiFi; Alexa
Pioneer Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit
Pioneer Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit
BTU Capacity: 12000
SEER Rating: 19
Number of Zones: 1
Noise Level: 40 dB
Installation and Maintenance: Included 16 ft. installation kit
Additional Features: ductless, remote control
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Buying Guide for the Best Mini Split Air Conditioners
Choosing the right mini-split air conditioner can make a significant difference in your comfort and energy bills. Mini-split systems are a great option for cooling and heating individual rooms or small spaces without the need for extensive ductwork. To find the best fit for your needs, it's important to understand the key specifications and how they relate to your specific situation. Here are the main factors to consider when selecting a mini-split air conditioner.BTU CapacityBTU (British Thermal Unit) capacity measures the cooling or heating power of the mini-split system. This spec is crucial because it determines how effectively the unit can regulate the temperature in your space. Generally, the higher the BTU, the larger the area it can cover. For small rooms (up to 300 sq. ft.), a unit with 9,000-12,000 BTUs is sufficient. Medium-sized rooms (300-500 sq. ft.) may require 12,000-18,000 BTUs, while larger spaces (500-1,000 sq. ft.) might need 18,000-24,000 BTUs. To pick the right BTU capacity, consider the size of the room you want to cool or heat and choose a unit that matches or slightly exceeds that requirement.
SEER RatingThe SEER (Seasonal Energy Efficiency Ratio) rating indicates the energy efficiency of the mini-split system. A higher SEER rating means the unit is more energy-efficient, which can lead to lower electricity bills. SEER ratings typically range from 13 to 25. For moderate climates, a SEER rating of 16-18 is usually sufficient. In hotter climates, a higher SEER rating (20 or above) can provide better energy savings. To choose the right SEER rating, consider your local climate and how much you value energy efficiency versus upfront cost.
Number of ZonesMini-split systems can be single-zone or multi-zone. Single-zone units are designed to cool or heat one room, while multi-zone systems can handle multiple rooms with separate indoor units connected to one outdoor unit. This spec is important if you need to control the temperature in more than one area. If you only need to regulate the temperature in one room, a single-zone system is sufficient. For multiple rooms, a multi-zone system (2-8 zones) is more appropriate. Choose based on the number of rooms you need to cool or heat and whether you want individual temperature control for each room.
Noise LevelThe noise level of a mini-split air conditioner is measured in decibels (dB). This spec is important for maintaining a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels typically range from 19 dB (very quiet) to 60 dB (comparable to normal conversation). For bedrooms or quiet spaces, look for units with noise levels below 30 dB. For living rooms or less noise-sensitive areas, units with noise levels up to 45 dB are acceptable. Choose based on where the unit will be installed and your sensitivity to noise.
Installation and MaintenanceInstallation and maintenance requirements can vary between mini-split systems. Some units are easier to install and maintain than others, which can save you time and money. This spec is important if you plan to install the unit yourself or want to minimize maintenance efforts. Look for systems with user-friendly installation kits and accessible components for easy cleaning and maintenance. Choose based on your comfort level with DIY projects and your willingness to perform regular maintenance tasks.
Additional FeaturesMany mini-split air conditioners come with additional features such as remote control, programmable timers, Wi-Fi connectivity, and air purification. These features can enhance convenience and improve air quality. This spec is important if you value advanced functionality and ease of use. Consider which features are most important to you, such as the ability to control the unit remotely or having built-in air purifiers. Choose based on your lifestyle and preferences for added convenience and comfort.