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10 Best Mini Split Units 2025 in the United States

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Our Top Picks

#1

Winner

Senville AURA Series Mini Split Air Conditioner Inverter Heat Pump, 33000 BTU, Energy Star, White

Rating
10.0
Chosen by1,120
BTU Capacity
SEER Rating
Number of Zones

Most important from
1709 reviews

BTU Capacity
The system delivers immediate and powerful cooling, dropping room temperature significantly within minutes while distributing air evenly, even in larger or poorly insulated spaces.
SEER Rating
Energy efficiency is excellent, highlighted by a high SEER rating and Energy Star certification, promising reduced electricity bills.
Number of Zones
The system can accommodate longer line sets than some competitors, offering flexibility in installation layout.
Noise Level
Operation is impressively quiet, with the indoor unit running silently and the outdoor condenser producing minimal noise and vibration.
Installation and Maintenance
Professional installation is recommended and necessary for warranty coverage, with some users noting challenges in finding qualified HVAC technicians willing to work with this brand.

The Senville AURA Series Mini Split Air Conditioner offers strong cooling and heating with a 33,000 BTU capacity, making it suitable for medium to larger rooms or small commercial spaces. Its SEER rating of 19.5 indicates it is quite energy efficient, which can help reduce electricity bills over time. The unit also has an HSPF rating that supports effective heating, even in very cold conditions down to -22°F, which is a plus if you need year-round climate control. Noise level is reasonably low at 35 dB, meaning it should run quietly enough for bedrooms or living areas without causing disturbance. One of the standout features is Alexa compatibility, allowing you to control the system remotely or with voice commands, which makes managing temperature settings convenient and modern.

The system is designed for single-zone use and includes all necessary components like the indoor air handler, outdoor condenser, and lines for installation. Professional installation is required to keep the warranty valid, and installation labor costs are not covered, which can add to the upfront expense. While the product is well-backed by a solid warranty (5 years parts and 10 years for the compressor), the size and weight (157 pounds) mean it’s not a DIY-friendly option for most people.

This makes the Senville AURA Series a reliable and efficient mini split system for those seeking smart features and strong climate control in a single-zone setup, with the caveat of requiring professional installation and its related costs.

Rating
10.0
Chosen by1,120
BTU Capacity
SEER Rating
Number of Zones

Most important from
1709 reviews

BTU Capacity
The system delivers immediate and powerful cooling, dropping room temperature significantly within minutes while distributing air evenly, even in larger or poorly insulated spaces.
SEER Rating
Energy efficiency is excellent, highlighted by a high SEER rating and Energy Star certification, promising reduced electricity bills.
Number of Zones
The system can accommodate longer line sets than some competitors, offering flexibility in installation layout.
Noise Level
Operation is impressively quiet, with the indoor unit running silently and the outdoor condenser producing minimal noise and vibration.
Installation and Maintenance
Professional installation is recommended and necessary for warranty coverage, with some users noting challenges in finding qualified HVAC technicians willing to work with this brand.
#2

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

Rating
9.4
BTU Capacity
SEER Rating
Number of Zones

Most important from
7780 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
9.4
BTU Capacity
SEER Rating
Number of Zones

Most important from
7780 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.
#3

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

Rating
8.8
BTU Capacity
SEER Rating
Noise Level

Most important from
7780 reviews

BTU Capacity
This mini-split delivers excellent heating and cooling performance, maintaining comfort even in extreme temperatures from 7° to 97°.
SEER Rating
Energy efficiency is impressive, with minimal impact on power bills even during year-round use.
Noise Level
The system operates quietly both indoors and outdoors, making it ideal for noise-sensitive spaces like home offices.
Installation and Maintenance
Installation requires careful preparation and specialized tools, especially for pressure testing and refrigerant line connections, making professional help advisable for most users.

The Senville LETO Series mini-split is a 12,000 BTU (1-ton) unit, making it well-suited for cooling and heating medium-sized rooms like bedrooms or living areas. It offers a strong SEER rating of 19 (SEER2 20.8), which means it is quite energy efficient compared to many standard units, helping reduce electricity bills. This model functions as a heat pump that works effectively even in cold weather down to 5°F (-15°C), and it also includes additional features like dehumidifying and a fan mode for year-round comfort. The unit supports voice control through Alexa, allowing easy temperature adjustments via app or voice commands, which adds convenience. It comes as a single-zone system, meaning it’s designed to control one main area rather than multiple rooms.

Installation requires professional help, but the package includes most components needed, like the indoor and outdoor units, remote, and installation kit with refrigerant for lines up to 25 feet. Noise levels are not explicitly listed, but Senville models generally operate quietly. Although it’s stylish and fits well in homes or small businesses, the unit is not Energy Star certified, which might be a consideration if you prioritize certified eco-friendly appliances. The product also comes with a solid 5-year warranty on parts and compressor, which provides peace of mind. Labor costs aren’t covered, so factor that in for installation expenses. This mini-split is a practical choice if you want a reliable, energy-efficient, and smart-controlled heating and cooling solution for a single space.

Rating
8.8
BTU Capacity
SEER Rating
Noise Level

Most important from
7780 reviews

BTU Capacity
This mini-split delivers excellent heating and cooling performance, maintaining comfort even in extreme temperatures from 7° to 97°.
SEER Rating
Energy efficiency is impressive, with minimal impact on power bills even during year-round use.
Noise Level
The system operates quietly both indoors and outdoors, making it ideal for noise-sensitive spaces like home offices.
Installation and Maintenance
Installation requires careful preparation and specialized tools, especially for pressure testing and refrigerant line connections, making professional help advisable for most users.

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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