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10 Best Mini Split Units 2026 in the United States

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Our Top Picks

#1

Winner

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
Chosen by1,346
BTU Capacity
SEER Rating
Number of Zones

Most important from
7971 reviews

BTU Capacity
The unit cools and heats very effectively, maintaining comfortable temperatures year-round even in extreme weather conditions.
SEER Rating
Energy efficiency is solid, with a high SEER rating that helps keep power bills low despite frequent use.
Number of Zones
The unit is best suited for single-zone applications, ideal for individual rooms or open-plan spaces rather than multi-zone setups.
Noise Level
The quiet operation at around 34 dB keeps the environment peaceful without disruptive noise.
Installation and Maintenance
Installation is challenging for DIYers and requires specialized tools and careful pressure and vacuum testing to avoid leaks.

The Senville LETO Series Mini Split is a solid choice if you need a 2-ton (24,500 BTU) unit capable of cooling or heating spaces up to around 1,250 square feet. Its SEER rating of 17 is respectable, meaning it’s fairly energy-efficient for year-round use, complemented by an inverter compressor that adjusts power use to save energy. The heat pump function works efficiently down to about 5°F, so it can provide heat in moderately cold climates. Noise level is quite low at 34 dB, which should keep your environment quiet and comfortable. This model supports one zone, so it’s best suited for single-room or open-plan areas rather than multiple zones.

Installation includes all necessary components and refrigerant for up to 25 feet of piping, but professional installation is required and labor costs are extra. The unit integrates with Alexa for convenient voice control and remote app access, a nice modern feature that can enhance ease of use. One downside is that the product is rated below some energy star standards and is imported from China, which may concern buyers focused on certification or support. The 5-year warranty on the compressor and parts offers good peace of mind, though labor isn't covered.

This mini-split fits well for homeowners or small businesses looking for a powerful, quiet, and smart-controlled system primarily for a single zone.

Rating
10.0
Chosen by1,346
BTU Capacity
SEER Rating
Number of Zones

Most important from
7971 reviews

BTU Capacity
The unit cools and heats very effectively, maintaining comfortable temperatures year-round even in extreme weather conditions.
SEER Rating
Energy efficiency is solid, with a high SEER rating that helps keep power bills low despite frequent use.
Number of Zones
The unit is best suited for single-zone applications, ideal for individual rooms or open-plan spaces rather than multi-zone setups.
Noise Level
The quiet operation at around 34 dB keeps the environment peaceful without disruptive noise.
Installation and Maintenance
Installation is challenging for DIYers and requires specialized tools and careful pressure and vacuum testing to avoid leaks.
#2

Daikin 24,000 BTU 18 SEER2 Entra R32 Series Ductless Mini Split Heat Pump System w/ Maxwell All-Inclusive 15’ Installation Kit and Wall Mounting Bracket (230V)

Rating
8.5
Noise Level
Installation and Maintenance

Most important from
105 reviews

Noise Level
Operates quietly, enhancing comfort without noise disturbance.
Installation and Maintenance
Installation was straightforward, even for a garage setup.

The Daikin 24,000 BTU ductless mini-split heat pump system stands out in the mini-split category with its impressive cooling and heating capabilities, making it a great choice for large spaces up to 1,500 sq. ft. Its 18 SEER2 rating indicates strong energy efficiency, helping to keep energy bills lower over time. The system operates effectively across a wide temperature range, ensuring comfort in both hot and cold climates, which is advantageous for users in varying environments.

One of the standout features is the advanced DC Inverter technology, enhancing performance while reducing noise levels—a key consideration for indoor units. Additionally, the inclusion of the Maxwell installation kit makes setup relatively straightforward, even for those without extensive experience.

This Daikin model is well-suited for homeowners looking to efficiently heat and cool larger spaces without traditional ductwork. Its efficient technology and installation convenience make it a strong contender, although it may require a larger upfront budget and consideration of noise levels in quiet settings.

Rating
8.5
Noise Level
Installation and Maintenance

Most important from
105 reviews

Noise Level
Operates quietly, enhancing comfort without noise disturbance.
Installation and Maintenance
Installation was straightforward, even for a garage setup.
#3

Senville SENA-30HF/T Tri Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Works with Alexa, White

Rating
8.5
Number of Zones
Noise Level
Installation and Maintenance

Most important from
358 reviews

Number of Zones
Allows for individual zone control, keeping rooms at different temperatures or focusing AC on rooms that need it more.
Noise Level
Super efficient, quiet, and comfortable at a good price.
Installation and Maintenance
Installation is possible for those who are handy and willing to invest time, but professional support is essential for initial setup to ensure warranty coverage.

The Senville SENA-30HF/T Tri Zone Mini Split Air Conditioner Heat Pump is a versatile and powerful unit designed to cater to multiple rooms, making it ideal for both home and business use. With a high cooling capacity of 28,000 BTU and a SEER rating of 23.0, it offers excellent energy efficiency, which is further enhanced by Alexa-enabled smart controls for easy temperature adjustments and potential energy savings of up to 40%. The unit supports three zones, allowing for individualized climate control in different rooms, which is particularly useful for spaces with varying heating and cooling needs.

The noise level is relatively low at 25 dB, ensuring quiet operation, which is beneficial for bedrooms and living areas where noise can be disruptive. The product also comes with a comprehensive installation kit, but it does require professional installation, which might add to the initial cost. Additionally, the inclusion of a 10-year warranty on the compressor and a 5-year warranty on parts reflects the manufacturer's confidence in its durability and quality. However, the requirement for a 220V power supply might limit its compatibility in some homes. Its robust performance, energy efficiency, and smart features make it a compelling choice for those looking to efficiently manage the climate in multiple rooms.

Rating
8.5
Number of Zones
Noise Level
Installation and Maintenance

Most important from
358 reviews

Number of Zones
Allows for individual zone control, keeping rooms at different temperatures or focusing AC on rooms that need it more.
Noise Level
Super efficient, quiet, and comfortable at a good price.
Installation and Maintenance
Installation is possible for those who are handy and willing to invest time, but professional support is essential for initial setup to ensure warranty coverage.

Buying Guide for the Best Mini Split Units

Choosing the right mini-split unit for your home or office can significantly impact your comfort and energy efficiency. Mini-split units are a great option for heating and cooling individual rooms or zones without the need for extensive ductwork. To make an informed decision, it's important to understand the key specifications and how they relate to your specific needs. Here are the main factors to consider when selecting a mini-split unit.
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 unit's ability to effectively heat or cool a space. Units with too low BTU capacity will struggle to maintain the desired temperature, while units with too high BTU capacity will cycle on and off too frequently, leading to inefficiency and wear. To choose the right BTU capacity, consider the size of the room or area you want to condition. For small rooms (up to 300 sq. ft.), a unit with 9,000 BTUs may suffice. Medium rooms (300-500 sq. ft.) typically require 12,000 BTUs, while larger rooms (500-800 sq. ft.) may need 18,000 BTUs or more.
SEER RatingThe SEER (Seasonal Energy Efficiency Ratio) rating measures the efficiency of the mini-split unit over a typical cooling season. A higher SEER rating indicates better energy efficiency, which can lead to lower electricity bills. SEER ratings typically range from 13 to 25 or higher. For moderate climates, a SEER rating of 16-18 is usually sufficient. In hotter climates, a higher SEER rating (20+) can provide better energy savings. Consider your local climate and how often you'll be using the unit to determine the appropriate SEER rating for your needs.
HSPF RatingHSPF (Heating Seasonal Performance Factor) rating measures the efficiency of the mini-split unit during the heating season. Similar to SEER, a higher HSPF rating indicates better efficiency. HSPF ratings typically range from 8 to 13. If you live in a colder climate and plan to use the unit for heating, look for a higher HSPF rating (10+). For milder climates, an HSPF rating of 8-9 may be adequate. Your heating needs and local climate will guide you in selecting the right HSPF rating.
Number of ZonesMini-split units can be designed to serve multiple zones or rooms. This spec is important if you want to control the temperature in different areas independently. Single-zone units are ideal for conditioning one room, while multi-zone units can handle two or more rooms. Consider the layout of your space and how many areas you need to heat or cool. If you have an open floor plan or only need to condition one room, a single-zone unit may be sufficient. For homes with multiple rooms or floors, a multi-zone unit can provide more flexibility and comfort.
Noise LevelThe noise level of a mini-split unit is measured in decibels (dB) and indicates how loud the unit will be during operation. 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). If noise is a concern, look for units with lower dB ratings. For bedrooms and quiet spaces, aim for a unit with a noise level below 30 dB. For living areas, a noise level below 40 dB is generally acceptable.
Installation and MaintenanceProper installation and regular maintenance are crucial for the efficient operation and longevity of your mini-split unit. This spec includes the ease of installation, the availability of professional installation services, and the maintenance requirements. Some units come with DIY installation kits, while others may require professional installation. Consider your comfort level with installation and whether you prefer to hire a professional. Additionally, check the maintenance requirements, such as filter cleaning and refrigerant checks, to ensure you can keep the unit running smoothly.

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