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10 Best Ductless Mini Split Systems 2025 in the United States

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Our Top Picks

#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

Rating
10.0
Chosen by1,319
BTU Capacity
SEER Rating
Number of Zones

Most important from
7092 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, maintaining comfortable temperatures even in extreme conditions.
SEER Rating
Energy efficiency is notable, with very little impact on electricity bills despite regular use.
Number of Zones
The system cools rooms quickly, achieving set temperatures within minutes, which is perfect for single-zone applications.
Noise Level
Operating noise is remarkably low, making it ideal for quiet spaces like home offices and bedrooms.
Installation and Maintenance
Installation requires careful preparation and specialized HVAC tools, making professional help advisable for most users.

The Senville LETO Series Mini Split is a solid choice for anyone looking to cool or heat single-zone spaces like bedrooms or small living areas. Its 12,000 BTU capacity and 1-ton rating make it suitable for medium-sized rooms. The system stands out with a high SEER rating of 19, meaning it operates efficiently and can help reduce electricity bills compared to older models. It also offers an HSPF rating through its heat pump function, which works down to 5°F, so it can provide heating in mild winter conditions. One of its strongest points is the smart Alexa compatibility, allowing easy temperature control via voice or app, which adds convenience. The included installation kit with pre-charged refrigerant makes preparation easier, but professional installation is still necessary, which can add to initial costs and complexity.

Noise levels are generally low due to the inverter technology, making it suitable for quiet environments like bedrooms or offices. However, it lacks Energy Star certification, which some buyers might consider when prioritizing energy savings. The package comes with a 5-year warranty on parts and compressor, offering good peace of mind. While the unit is well-designed and stylish, it is intended for single-zone use only, so it might not fit multi-room needs without purchasing additional units. This mini split is a reliable, energy-efficient system with smart features ideal for users seeking comfort and convenience in a compact system.

Rating
10.0
Chosen by1,319
BTU Capacity
SEER Rating
Number of Zones

Most important from
7092 reviews

BTU Capacity
The unit delivers excellent heating and cooling performance, maintaining comfortable temperatures even in extreme conditions.
SEER Rating
Energy efficiency is notable, with very little impact on electricity bills despite regular use.
Number of Zones
The system cools rooms quickly, achieving set temperatures within minutes, which is perfect for single-zone applications.
Noise Level
Operating noise is remarkably low, making it ideal for quiet spaces like home offices and bedrooms.
Installation and Maintenance
Installation requires careful preparation and specialized HVAC tools, making professional help advisable for most users.
#2

Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White

Rating
10.0
BTU Capacity
SEER Rating
Number of Zones

Most important from
7092 reviews

BTU Capacity
The unit delivers powerful cooling with noticeably cold air output and effective heating even in low outdoor temperatures.
SEER Rating
The system performs reliably year-round with minimal impact on electricity bills, reflecting its solid energy efficiency.
Number of Zones
This system is a dependable single-zone solution that balances smart features, quiet operation, and consistent climate control for various settings.
Noise Level
This mini split cools and heats a medium-sized space efficiently while maintaining a very quiet operation, making it ideal for bedrooms or workspaces.
Installation and Maintenance
Installation requires careful attention and specialized tools, especially for line set connections and pressure testing, making professional installation highly recommended for warranty and optimal performance.

The Senville LETO Series Mini Split is a solid choice for anyone looking to cool or heat a medium-sized space, up to about 1250 square feet. It offers 24,000 BTUs of cooling power, which is enough for larger rooms or small apartments. The SEER rating of 17 means it’s fairly energy-efficient, helping to keep electricity bills reasonable. It also includes a heat pump that works down to 5°F, so it can provide warmth in cooler weather without needing a separate heater. A notable plus is that it works with Alexa, letting you control temperature easily by voice or app, which adds convenience.

At just 34 decibels, the noise level is quite low, making it a good option for bedrooms or offices where quiet is important. The package comes with everything needed for installation, including a 16-foot line set and remote control, but professional installation is required, which is typical for mini splits. The warranty covers parts and the compressor for 5 years, offering some peace of mind, though labor costs aren’t included.

One downside is that it’s a single-zone system, so it’s best suited for one main area rather than multiple rooms. Also, while the energy efficiency is good, it isn’t top-tier compared to some newer models. The product is made in China, which isn’t an issue for performance but might matter to some buyers. Lastly, its stylish, compact design fits well in varied settings, from homes to small businesses. This model is a dependable mini split for those who want a reliable, quiet, and smart-controlled unit with heating and cooling in one. It’s ideal if you need a straightforward system for a single zone and value ease of use and decent energy savings.

Rating
10.0
BTU Capacity
SEER Rating
Number of Zones

Most important from
7092 reviews

BTU Capacity
The unit delivers powerful cooling with noticeably cold air output and effective heating even in low outdoor temperatures.
SEER Rating
The system performs reliably year-round with minimal impact on electricity bills, reflecting its solid energy efficiency.
Number of Zones
This system is a dependable single-zone solution that balances smart features, quiet operation, and consistent climate control for various settings.
Noise Level
This mini split cools and heats a medium-sized space efficiently while maintaining a very quiet operation, making it ideal for bedrooms or workspaces.
Installation and Maintenance
Installation requires careful attention and specialized tools, especially for line set connections and pressure testing, making professional installation highly recommended for warranty and optimal performance.
#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
Installation and Maintenance
Noise Level

Most important from
7092 reviews

Installation and Maintenance
Despite being a difficult DIY project, proper research and tools make the installation manageable.
Noise Level
The unit operates quietly, making it ideal for spaces where noise is a concern.

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a range of features making it a versatile option for controlling indoor climates. With a BTU capacity of 9,000, it is suitable for spaces up to 400 square feet, making it ideal for bedrooms, small living areas, and some commercial spaces. Key highlights include a high SEER rating of 21.5, which ensures energy efficiency, and a noise level of 25 dB, ensuring quiet operation.

The unit's compatibility with Alexa allows for easy voice control and integration with smart home systems, enhancing convenience and ease of use. Additionally, the 4-in-1 functionality includes air conditioning, a heat pump, a dehumidifier, and a fan, providing comprehensive climate control year-round. The included installation kit and 5-year warranty on parts and the compressor offer added value, although professional installation is required, which may incur additional costs.

One downside is its non-compliance with Energy Star standards, which might be a consideration for those particularly focused on energy savings. Moreover, while it has a solid build and design, the absence of DIY installation could be a drawback for some users. The Senville LETO Series provides a well-rounded solution with advanced features, particularly for those looking for a smart, quiet, and efficient mini split system.

Rating
9.8
Installation and Maintenance
Noise Level

Most important from
7092 reviews

Installation and Maintenance
Despite being a difficult DIY project, proper research and tools make the installation manageable.
Noise Level
The unit operates quietly, making it ideal for spaces where noise is a concern.

Buying Guide for the Best Ductless Mini Split Systems

Ductless mini-split systems are a great option for heating and cooling individual rooms or small spaces without the need for ductwork. They are known for their energy efficiency, ease of installation, and flexibility in providing comfort to specific areas. When choosing a ductless mini-split system, it's important to consider several key specifications to ensure you select the best fit for your needs.
BTU CapacityBTU (British Thermal Unit) capacity measures the amount of heat a unit can remove from a room per hour. This spec is crucial because it determines the system's ability to effectively heat or cool a space. To navigate BTU values, consider the size of the room: smaller rooms (up to 300 sq. ft.) typically need around 9,000 BTUs, medium rooms (300-500 sq. ft.) may require 12,000-18,000 BTUs, and larger rooms (500-800 sq. ft.) might need 24,000 BTUs or more. Choose a BTU capacity that matches the size of the room you want to heat or cool for optimal performance.
SEER RatingSEER (Seasonal Energy Efficiency Ratio) rating measures the cooling efficiency of the system over a typical cooling season. A higher SEER rating indicates better energy efficiency, which can lead to lower energy bills. SEER ratings typically range from 13 to 25. For moderate climates, a SEER rating of 16-18 is usually sufficient, while hotter climates may benefit from a rating of 20 or higher. Consider your local climate and energy efficiency goals when selecting a SEER rating.
HSPF RatingHSPF (Heating Seasonal Performance Factor) rating measures the heating efficiency of the system over a typical heating season. A higher HSPF rating indicates better energy efficiency in heating mode. HSPF ratings generally range from 8 to 13. For colder climates, an HSPF rating of 10 or higher is recommended to ensure efficient heating. Choose an HSPF rating that aligns with your heating needs and climate conditions.
Number of ZonesThe number of zones refers to the number of indoor units that can be connected to a single outdoor unit. This spec is important for providing targeted heating and cooling to multiple rooms or areas. Systems can range from single-zone (one indoor unit) to multi-zone (two or more indoor units). If you need to control the temperature in multiple rooms independently, a multi-zone system is ideal. Consider the number of rooms you want to heat or cool and choose a system with the appropriate number of zones.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the system operates. This is important for ensuring a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels for indoor units typically range from 19 to 45 dB. For a quieter operation, look for systems with noise levels below 30 dB. Consider where the unit will be installed and choose a noise level that will not disrupt your daily activities.
Installation and MaintenanceInstallation and maintenance refer to the ease and cost of setting up and maintaining the system. Ductless mini-split systems are generally easier to install than traditional HVAC systems, but professional installation is still recommended. Maintenance involves regular cleaning of filters and checking the system for any issues. Choose a system with features that simplify maintenance, such as washable filters and easy access to components. Consider your willingness to perform regular maintenance and the availability of professional services in your area.

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