We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

7 Best Single Zone Mini Split Systems 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

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
9.8
Chosen by1,295
Noise Level
Installation Type
Control Options

Most important from
7289 reviews

Noise Level
The unit operates quietly, making it ideal for home offices where silence is crucial.
Installation Type
Installing the unit is a challenging DIY project; proper research and tools are essential for success.
Control Options
The unit's compatibility with Alexa adds a modern touch, making it convenient to control the temperature remotely.

The Senville LETO Series Mini Split Air Conditioner Heat Pump is a versatile 4-in-1 system that offers air conditioning, heating, dehumidification, and a fan mode, making it suitable for year-round use. With a BTU capacity of 18,000, it can efficiently cool or heat spaces up to 1000 square feet, making it ideal for bedrooms, living areas, and even small commercial spaces. The SEER rating of 19 suggests good energy efficiency, although it is not Energy Star compliant, which might be a consideration for those looking for the highest energy savings. The noise level of 30 dB is relatively quiet, ensuring a peaceful indoor environment.

One of the standout features is its compatibility with Alexa, allowing for convenient voice control and remote adjustments via an app, which adds a modern touch to its functionality. The included installation kit and pre-loaded refrigerant simplify the setup process, although professional installation is still required. The five-year warranty on parts and the compressor provides added peace of mind, though labor costs are not covered.

However, the large dimensions (48 x 40 x 40 inches) and weight (78.3 pounds) might pose a challenge for some installation scenarios. Additionally, while the lack of Energy Star compliance and the need for professional installation are potential drawbacks, this product is best suited for users seeking a reliable, all-season HVAC solution with the convenience of smart home integration, provided they are prepared for the professional setup requirements.

Rating
9.8
Chosen by1,295
Noise Level
Installation Type
Control Options

Most important from
7289 reviews

Noise Level
The unit operates quietly, making it ideal for home offices where silence is crucial.
Installation Type
Installing the unit is a challenging DIY project; proper research and tools are essential for success.
Control Options
The unit's compatibility with Alexa adds a modern touch, making it convenient to control the temperature remotely.
#2

MRCOOL 24,000 BTU Split Air Conditioner Heat Pump System w/ Heating & Cooling, EasyPro - Indoor Air Conditioning Unit for Home, Office, and Commercial Space

Rating
9.6
BTU Capacity
Noise Level
Installation Type

Most important from
361 reviews

BTU Capacity
Fantastic product and value. I bought another today to use in my wife's sewing room, and I'll be looking to get a 36K Big Boy one for my shop.
Noise Level
This is the second MrCool DIY unit I have installed, and they have both been pretty easy for a knowledgeable DIY person. The condenser is roughly 4 feet from my bedroom and I cannot hear it running at all.
Installation Type
Love this Mr Cool unit. It was more expensive than other non-brand units but worth the extra money. Quiet, efficient, economical, and easy to install.
Control Options
We no longer cool or heat the entire house to keep our bedroom perfect. The MrCool app works pretty well too.

The MrCool Easy Pro 24k BTU 18 SEER Ductless Heat Pump Split System offers strong cooling and heating capabilities with its 24,000 BTU capacity, making it suitable for areas up to 1000 square feet. Its high SEER rating of 18 ensures good energy efficiency, which can help reduce electricity bills. The system's heating functionality is noted as a special feature. The noise level is on the higher side at 60 dB, which might be noticeable but not overly disruptive in a typical setting.

This unit is designed for DIY installation, which can save costs on professional setup, and comes with a 16FT pre-charged line set to ease the installation process. Control options include features like Follow Me and Sleep mode, enhancing user comfort and convenience. Washable filters are a practical addition for maintenance.

The compressor warranty is only one year, and the parts warranty is two years, which is relatively short. The unit's white color and compact dimensions make it a versatile choice for various home decor styles.

Rating
9.6
BTU Capacity
Noise Level
Installation Type

Most important from
361 reviews

BTU Capacity
Fantastic product and value. I bought another today to use in my wife's sewing room, and I'll be looking to get a 36K Big Boy one for my shop.
Noise Level
This is the second MrCool DIY unit I have installed, and they have both been pretty easy for a knowledgeable DIY person. The condenser is roughly 4 feet from my bedroom and I cannot hear it running at all.
Installation Type
Love this Mr Cool unit. It was more expensive than other non-brand units but worth the extra money. Quiet, efficient, economical, and easy to install.
Control Options
We no longer cool or heat the entire house to keep our bedroom perfect. The MrCool app works pretty well too.
#3

Pioneer Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump Full Set with 16 Ft. Kit

Rating
9.3
Noise Level
Installation Type

Most important from
751 reviews

Noise Level
This system is incredibly efficient and quiet. It only added a few dollars to the electric bill over several months.
Installation Type
Installation was straightforward with clear instructions and helpful YouTube videos. A vacuum pump is recommended for leak detection.

The PIONEER Diamante Series Ductless Mini-Split Air Conditioner Inverter Heat Pump is a versatile and efficient option for both cooling and heating needs. It offers a capacity of 12,000 BTU/hour, making it suitable for spaces up to 450 square feet. With a high SEER rating of 20 and an HSPF rating of 10, this unit is energy-efficient, which can lead to lower electricity bills over time.

The noise level is relatively low at 40 dB, ensuring a quiet operation that won't disturb your daily activities. The unit comes with a complete installation kit, including a 16 ft. line set, making the installation process more straightforward, though it's recommended to have a professional handle it for optimal performance and safety. The included wireless remote control adds convenience, allowing you to adjust settings without having to get up.

The initial cost might be higher compared to some other models, but its energy efficiency and performance could offset this in the long run. This mini-split system is an excellent choice for both residential and light commercial applications, offering reliable and efficient climate control.

Rating
9.3
Noise Level
Installation Type

Most important from
751 reviews

Noise Level
This system is incredibly efficient and quiet. It only added a few dollars to the electric bill over several months.
Installation Type
Installation was straightforward with clear instructions and helpful YouTube videos. A vacuum pump is recommended for leak detection.

Buying Guide for the Best Single Zone Mini Split Systems

Choosing the right single-zone mini-split system can significantly improve your comfort at home or in a specific area. These systems are designed to heat or cool one particular zone, making them ideal for individual rooms or small spaces. When selecting a mini-split system, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and ensure optimal performance and efficiency.
BTU CapacityBTU (British Thermal Units) capacity measures the amount of heat the system can remove or add to a room per hour. This spec is crucial because it determines the system's ability to effectively heat or cool your space. BTU capacity typically ranges from 6,000 to 36,000 BTUs. For small rooms (up to 300 sq ft), a lower BTU capacity (6,000-12,000 BTUs) is sufficient. Medium-sized rooms (300-600 sq ft) require a mid-range capacity (12,000-18,000 BTUs), while larger rooms (600-1,000 sq ft) need higher capacities (18,000-36,000 BTUs). Choose a BTU capacity that matches the size of your room to ensure efficient performance.
SEER RatingSEER (Seasonal Energy Efficiency Ratio) rating measures the efficiency of the cooling system over a typical cooling season. A higher SEER rating indicates better energy efficiency, which can lead to lower energy bills. SEER ratings usually range from 13 to 25. Systems with a SEER rating of 13-16 are considered standard efficiency, while ratings of 17-20 are high efficiency, and 21-25 are ultra-high efficiency. If you live in a region with hot summers or plan to use the system frequently, opting for a higher SEER rating can be beneficial for long-term savings.
HSPF RatingHSPF (Heating Seasonal Performance Factor) rating measures the efficiency of the heating system over a typical heating season. Similar to SEER, a higher HSPF rating indicates better energy efficiency. HSPF ratings typically range from 8 to 12. Systems with an HSPF rating of 8-9 are standard efficiency, while ratings of 10-12 are high efficiency. If you live in a colder climate or plan to use the heating function frequently, choosing a system with a higher HSPF rating can help reduce heating costs.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the system will be during operation. This spec is important for ensuring a comfortable and quiet environment. Noise levels for mini-split systems typically range from 19 dB to 55 dB. Systems with noise levels below 30 dB are considered very quiet, suitable for bedrooms or living rooms. Noise levels between 30-40 dB are moderate and acceptable for most spaces, while levels above 40 dB may be noticeable and better suited for areas where noise is less of a concern. Consider the placement of the system and your sensitivity to noise when choosing the right noise level.
Installation TypeInstallation type refers to how the indoor unit of the mini-split system is mounted. Common types include wall-mounted, ceiling cassette, floor-mounted, and ducted units. Wall-mounted units are the most popular and versatile, suitable for most rooms. Ceiling cassette units are ideal for spaces with limited wall space and provide even air distribution. Floor-mounted units are great for rooms with low ceilings or where wall mounting is not possible. Ducted units are hidden within the ceiling or walls and are best for maintaining aesthetics. Choose the installation type based on your room layout and aesthetic preferences.
Control OptionsControl options refer to how you can operate the mini-split system. Common options include remote control, smartphone app, and integration with smart home systems. Remote control is standard and convenient for basic operation. Smartphone apps offer advanced features like scheduling, energy monitoring, and remote access. Integration with smart home systems allows for voice control and automation. Consider your preference for convenience and technology when selecting control options.

FAQ

Most Popular Categories Right Now