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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 by1,454
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7309 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 by1,454
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7309 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

Senville LETO Series Mini Split Air Conditioner Heat Pump, 12000 BTU 110/120V, Inverter, Works with Alexa, SEER2 20.8, 1 Ton, White

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

Most important from
7309 reviews

Cooling Capacity (BTU)
The unit cools rooms quickly and effectively, reaching desired temperatures within minutes, even on extremely hot days.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
It's a cost-effective alternative to central air, significantly reducing electricity bills by cooling only specific rooms instead of the entire house.
Noise Level
The system operates very quietly, both indoors and outdoors, ensuring a peaceful environment.
Installation and Maintenance
Installation can be challenging for DIY enthusiasts, requiring proper research and tools, especially for wiring and line set installation.
Additional Features
Alexa integration adds convenience, allowing for easy voice control and remote operation, making it a smart addition to a fully automated home.

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a strong cooling capacity of 12,000 BTU, making it suitable for medium-sized spaces like bedrooms or small living areas. With a SEER2 rating of 20.8, it is fairly energy-efficient, which can lead to lower electricity bills over time. However, it is not Energy Star compliant, which might be a consideration for the eco-conscious buyer. One notable feature is its versatility as a 4-in-1 unit, functioning as an air conditioner, heat pump, dehumidifier, and fan. It also integrates with Alexa, allowing for convenient voice control and remote operation via an app.

The system includes a comprehensive installation package, but professional installation is required, which could add to the initial costs. The product runs on a standard 110-120V outlet, which is a plus for easy compatibility with most home electrical systems. Mini splits are typically quieter than traditional systems, although noise levels can vary.

The Senville LETO Series combines stylish design with functionality, fitting seamlessly into both home and small business settings. It comes with a solid five-year warranty on parts and the compressor, offering peace of mind, but note that labor is not covered. This mini split is a good fit for those looking for an all-season climate control solution with smart features, especially in environments where installation of traditional ducted systems is impractical.

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

Most important from
7309 reviews

Cooling Capacity (BTU)
The unit cools rooms quickly and effectively, reaching desired temperatures within minutes, even on extremely hot days.
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
It's a cost-effective alternative to central air, significantly reducing electricity bills by cooling only specific rooms instead of the entire house.
Noise Level
The system operates very quietly, both indoors and outdoors, ensuring a peaceful environment.
Installation and Maintenance
Installation can be challenging for DIY enthusiasts, requiring proper research and tools, especially for wiring and line set installation.
Additional Features
Alexa integration adds convenience, allowing for easy voice control and remote operation, making it a smart addition to a fully automated home.
#3

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

Rating
9.9
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7309 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
9.9
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER)
Noise Level

Most important from
7309 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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