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10 Best Mini Split Cooling Systems 2025 in the United States

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Our Top Picks

#1

Winner

Senville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White

Rating
10.0
Chosen by1,254
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7175 reviews

Cooling Capacity (BTU)
The unit's cooling and heating capabilities are impressive, quickly adjusting room temperature to the desired setting, even in extreme weather conditions.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
The Senville LETO Series stands out for quality and performance, delivering a comfortable environment year-round while keeping energy costs low.
Noise Level
The indoor and outdoor units operate with minimal noise, making it ideal for home offices and living spaces where quiet is appreciated.
Installation and Maintenance
Installation can be a challenging DIY project, especially when it comes to wiring and line set installation, but thorough research and the right tools can make it manageable.
Additional Features
Integrating with Alexa adds a layer of convenience, allowing users to control the temperature remotely and efficiently manage their home environment.

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a robust cooling capacity of 18,000 BTU, suitable for areas up to 1000 square feet. Its SEER rating of 19 ensures decent energy efficiency, although it is not Energy Star compliant. This model is versatile, acting as an air conditioner, heat pump, dehumidifier, and fan, making it a practical all-year-round solution. The integration with Alexa allows easy remote control and the ability to set temperature routines, adding to the convenience factor.

The system is relatively quiet, operating at a noise level of 30 dB, which is ideal for bedrooms and living areas where noise can be a disturbance. Professional installation is required, which might add to the cost and effort for some users. The unit comes with a comprehensive installation kit and a 5-year warranty on parts and compressor, ensuring long-term reliability.

Though not the least expensive option, its features and performance make it a solid choice for both residential and commercial use. The lack of Energy Star compliance might be a drawback for those seeking highly efficient energy usage, but the Senville LETO Series stands out for its functionality and advanced features like inverter technology and voice control.

Rating
10.0
Chosen by1,254
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7175 reviews

Cooling Capacity (BTU)
The unit's cooling and heating capabilities are impressive, quickly adjusting room temperature to the desired setting, even in extreme weather conditions.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
The Senville LETO Series stands out for quality and performance, delivering a comfortable environment year-round while keeping energy costs low.
Noise Level
The indoor and outdoor units operate with minimal noise, making it ideal for home offices and living spaces where quiet is appreciated.
Installation and Maintenance
Installation can be a challenging DIY project, especially when it comes to wiring and line set installation, but thorough research and the right tools can make it manageable.
Additional Features
Integrating with Alexa adds a layer of convenience, allowing users to control the temperature remotely and efficiently manage their home environment.
#2

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

Rating
10.0
Noise Level
Installation and Maintenance
Additional Features

Most important from
1280 reviews

Noise Level
The unit is impressively quiet both inside and out, making it easy to sleep with it running.
Installation and Maintenance
Very easy to install and instantly cooled down a high-ceiling dining area.
Additional Features
The app allows convenient adjustments from bed, enhancing user comfort.

The DELLA 24000 BTU Mini Split AC is a robust option for those seeking efficient cooling and heating for spaces up to 1500 sq.ft. With a high cooling capacity of 24000 BTU, it can adequately manage large rooms, making it suitable for residential or small commercial applications. The system boasts an impressive SEER rating of 19, indicating strong energy efficiency that can lead to substantial power savings over time. This is particularly beneficial for those looking to reduce energy bills without sacrificing comfort.

One of its standout features is the ductless inverter technology, which contributes to quieter operation—at 51 dB—and flexible installation options. The unit is equipped with smart functions such as Alexa compatibility, multiple fan speeds, and modes like sleep, turbo, and eco energy saving. This makes it versatile and user-friendly. However, installation requires professional handling due to the complexity involved, including line-set vacuuming and freon adjustments, which may add to initial setup costs.

The ability to adjust the temperature based on the remote's location rather than the indoor unit is a thoughtful design for personalized comfort. The noise level is impressively low for a unit of this size, ensuring minimal disruption. Additional features like WiFi connectivity and a dehumidifier enhance its appeal. Potential buyers should be aware that it is not ideal for DIY installation, and while it offers ample coverage, it is best suited for environments where temperatures do not drop too far below freezing. The DELLA Mini Split AC is a feature-rich choice for those seeking a reliable, energy-efficient solution with smart technology integrations.

Rating
10.0
Noise Level
Installation and Maintenance
Additional Features

Most important from
1280 reviews

Noise Level
The unit is impressively quiet both inside and out, making it easy to sleep with it running.
Installation and Maintenance
Very easy to install and instantly cooled down a high-ceiling dining area.
Additional Features
The app allows convenient adjustments from bed, enhancing user comfort.
#3

Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White

Rating
9.8
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7175 reviews

Cooling Capacity (BTU)
Cooling is efficient and rapid, transforming room temperatures to a comfortable level swiftly, even in extreme heat conditions.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
The product offers significant energy savings, proving cost-effective by cooling specific areas without the need to run central air for the entire home.
Noise Level
The mini-split system is notably quiet, perfect for environments where minimal noise is crucial, such as home offices or bedrooms.
Installation and Maintenance
Installation can be challenging for DIY enthusiasts, particularly when wiring and ensuring proper pressure testing, but the effort is worthwhile for the performance delivered.
Additional Features
Alexa compatibility enhances convenience, allowing seamless integration with smart home systems for effortless climate control.

The Senville LETO Series Mini Split Air Conditioner Heat Pump, offering 9000 BTU cooling power, is a versatile option for those seeking a multi-functional mini-split system. Its energy efficiency is notable with a SEER rating of 21.5, making it a cost-effective choice over time despite its non-compliance with Energy Star standards. This unit is capable of cooling and heating, with the heat pump operating effectively even in lower temperatures down to 5F.

Designed for spaces up to 400 square feet, it’s ideal for bedrooms, living rooms, or small commercial areas. A key feature is its Alexa compatibility, allowing for convenient voice control and app integration to manage temperatures seamlessly. The noise level stands at a quiet 25 dB, making it suitable for use in bedrooms or other quiet environments.

Installation requires professional oversight, as the system includes both indoor and outdoor units along with necessary components like a 16 ft. line set, pre-loaded with refrigerant. This necessity may add to the initial setup costs, although a comprehensive installation kit is provided. In terms of appearance, the unit is both stylish and functional, blending into both home and business settings.

The product is backed by a substantial warranty—5 years on parts and the compressor—which enhances its value. However, labor costs are not covered, which is worth considering for maintenance planning. In summary, this mini split system is well-suited for users looking for a reliable, quiet, and efficient climate control solution with modern smart features.

Rating
9.8
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7175 reviews

Cooling Capacity (BTU)
Cooling is efficient and rapid, transforming room temperatures to a comfortable level swiftly, even in extreme heat conditions.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
The product offers significant energy savings, proving cost-effective by cooling specific areas without the need to run central air for the entire home.
Noise Level
The mini-split system is notably quiet, perfect for environments where minimal noise is crucial, such as home offices or bedrooms.
Installation and Maintenance
Installation can be challenging for DIY enthusiasts, particularly when wiring and ensuring proper pressure testing, but the effort is worthwhile for the performance delivered.
Additional Features
Alexa compatibility enhances convenience, allowing seamless integration with smart home systems for effortless climate control.

Buying Guide for the Best Mini Split Cooling Systems

Choosing the right mini-split cooling system can make a significant difference in your comfort and energy efficiency. Mini-split systems are a great option for cooling 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 cooling system.
Cooling Capacity (BTU)Cooling capacity, measured in British Thermal Units (BTU), indicates how much heat the system can remove from a room per hour. This is crucial because a unit with too low a BTU rating won't cool effectively, while one with too high a rating will cycle on and off too frequently, wasting energy. For small rooms (up to 150 square feet), a unit with 5,000-6,000 BTU is sufficient. Medium-sized rooms (150-300 square feet) typically need 7,000-10,000 BTU, and larger rooms (300-500 square feet) may require 12,000-18,000 BTU. Assess the size of the room you want to cool to determine the appropriate BTU rating.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)EER and SEER ratings measure the energy efficiency of the cooling system. EER is the ratio of cooling capacity to power input, while SEER is the ratio of cooling output over a typical cooling season to the total energy consumed. Higher ratings mean better efficiency and lower operating costs. EER ratings typically range from 8 to 12, and SEER ratings from 13 to 25. For optimal energy savings, look for units with higher SEER ratings, especially if you plan to use the system frequently.
Number of ZonesMini-split systems can be single-zone or multi-zone. Single-zone systems cool one room or area, while multi-zone systems can cool multiple rooms with separate indoor units connected to one outdoor unit. If you need to cool just one room, a single-zone system is sufficient. For multiple rooms or areas, a multi-zone system offers more flexibility and control, allowing you to set different temperatures for each zone.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the unit will be during operation. This is important for maintaining a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels for mini-split systems typically range from 19 dB (very quiet) to 60 dB (moderate). For a peaceful environment, look for units with noise levels below 30 dB.
Installation and MaintenanceProper installation and regular maintenance are crucial for the efficient operation of a mini-split system. Some units are easier to install and maintain than others. Look for systems with features like washable filters, easy access to components, and clear installation instructions. If you're not comfortable with DIY installation, consider hiring a professional to ensure the system is set up correctly.
Additional FeaturesModern mini-split systems come with various additional features that can enhance comfort and convenience. These may include programmable timers, remote controls, Wi-Fi connectivity, and smart home integration. Consider which features are important to you. For example, if you want to control the system remotely, look for units with Wi-Fi capabilities.

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