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10 Best Mini Split Units 2025 in the United States

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Our Top Picks

#1

Winner

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

Rating
9.8
Chosen by1,150
SEER Rating
Noise Level
Installation and Maintenance

Most important from
6990 reviews

SEER Rating
The energy efficiency of the unit is notable, with users reporting minimal impact on their power bills even with regular use.
Noise Level
The unit operates with impressive quietness, making it ideal for home offices or bedrooms where noise can be a distraction.
Installation and Maintenance
Installation can be challenging as a DIY project, requiring proper research, tools, and attention to detail, especially for the line set and pressure testing.

The Senville LETO Series Mini Split Air Conditioner Heat Pump is a versatile unit that excels in cooling and heating with a solid 9000 BTU capacity, making it suitable for spaces up to 400 square feet. One of its standout features is the Alexa compatibility, allowing for convenient voice control or app adjustments, which is perfect for tech-savvy users looking to integrate smart home solutions. With a high SEER rating of 21.5, it offers excellent energy efficiency, which can lead to lower electricity bills over time. The noise level is impressively low at just 25 dB, making it a quiet option for bedrooms or living areas.

The mini split unit's 4-in-1 functionality, providing air conditioning, heating, dehumidification, and fan modes, adds great versatility, making it a reliable option year-round. The requirement for professional installation might be a drawback for those hoping to set up a unit themselves, involving additional costs or effort. Additionally, while it boasts a robust warranty of 5 years on parts and the compressor, the labor costs for installation are not covered, which is something to keep in mind.

On the aesthetic side, it combines style with functionality, fitting well in both residential and commercial environments. It's important to note that it's not Energy Star compliant, which may be a consideration for those particularly focused on energy ratings. The Senville LETO Series is a strong contender in the mini-split category, especially for those who value energy efficiency, low noise, and smart home integration but may require professional help for installation.

Rating
9.8
Chosen by1,150
SEER Rating
Noise Level
Installation and Maintenance

Most important from
6990 reviews

SEER Rating
The energy efficiency of the unit is notable, with users reporting minimal impact on their power bills even with regular use.
Noise Level
The unit operates with impressive quietness, making it ideal for home offices or bedrooms where noise can be a distraction.
Installation and Maintenance
Installation can be challenging as a DIY project, requiring proper research, tools, and attention to detail, especially for the line set and pressure testing.
#2

YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 20 SEER2 115V Ductless AC Cool Up to 750 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White

Rating
9.6
Noise Level
Installation and Maintenance

Most important from
36 reviews

Noise Level
Installation was very simple and both the inside and outside units operate extremely quietly.
Installation and Maintenance
Installation was very simple and both the inside and outside units operate extremely quietly.

The YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System is a highly efficient unit with a SEER rating of 20, indicating strong energy efficiency. It is suitable for spaces up to 750 square feet, making it ideal for various rooms like bedrooms, living rooms, and even commercial spaces. The unit operates quietly, with noise levels below 41 decibels, ensuring a peaceful environment. Additionally, it is equipped with innovative inverter technology, contributing to energy savings of up to 25%.

The system is also versatile, offering five modes (auto, cool, dry, heat, fan) and features like WiFi compatibility, Alexa integration, automatic defrosting, self-diagnosis, and various health modes for air purity. It performs well in extreme temperatures, ranging from 5°F to 118°F, making it reliable year-round. The complete installation kit is a plus, although professional installation is recommended, which could add to the overall cost.

One potential drawback is the system's requirement to ship in two packages, which may arrive separately, possibly complicating setup. The product comes with a solid 5-year warranty. It is a good fit for users looking for a quiet, energy-efficient, and feature-rich mini split unit.

Rating
9.6
Noise Level
Installation and Maintenance

Most important from
36 reviews

Noise Level
Installation was very simple and both the inside and outside units operate extremely quietly.
Installation and Maintenance
Installation was very simple and both the inside and outside units operate extremely quietly.
#3

MrCool Easy Pro 12k BTU 18 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset

Rating
9.4
SEER Rating
Noise Level
Installation and Maintenance

Most important from
307 reviews

SEER Rating
The efficiency of the unit has been surprising, significantly reducing electricity bills compared to the previous year.
Noise Level
The MrCool unit is quiet, efficient, and economical, making it worth the extra cost over non-branded units.
Installation and Maintenance
Installation is straightforward for a knowledgeable DIY person, especially when following the directions closely.

The MrCool Easy Pro 12k BTU DIY Mini Split system is a solid choice for those looking to efficiently cool or heat a single zone up to 550 square feet. Its 12,000 BTU capacity and high SEER rating of 18 ensure good energy efficiency, making it cost-effective in the long run. The included 16ft pre-charged line set makes installation more straightforward, especially for DIY enthusiasts, which is a unique benefit not all mini-split systems offer.

Features like the 'Follow Me' function and sleep mode add to its user-friendliness and comfort. Additionally, washable filters are a convenient feature for ongoing maintenance, and the 1-year compressor warranty and 2-year parts warranty provide some peace of mind regarding durability and reliability.

However, the noise level at 60 dB may be a bit louder than some users would prefer, particularly in quiet spaces. It is also important to note that this system covers only one zone, which may not be sufficient for larger homes requiring multi-zone coverage. The MrCool Easy Pro 12k BTU DIY Mini Split system is ideal for users who prioritize energy efficiency, ease of installation, and single-zone climate control, despite minor drawbacks in noise level.

Rating
9.4
SEER Rating
Noise Level
Installation and Maintenance

Most important from
307 reviews

SEER Rating
The efficiency of the unit has been surprising, significantly reducing electricity bills compared to the previous year.
Noise Level
The MrCool unit is quiet, efficient, and economical, making it worth the extra cost over non-branded units.
Installation and Maintenance
Installation is straightforward for a knowledgeable DIY person, especially when following the directions closely.

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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