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10 Best Ductless Mini Split Systems 2025 in the United States
#1
Winner
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
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.
Rating
9.8
Chosen by1,219
Installation and Maintenance
Noise Level
Most important from
7058 reviews
#2
DELLA Vario 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat Pump Ductless Inverter System, 19 SEER2, Cools Up to 550 Sq. Ft,16.4ft installation kit included
The DELLA Versa Series 12000 BTU Mini Split Air Conditioner is a solid option for those looking to cool and heat spaces up to 750 square feet efficiently. With a 19 SEER2 rating, it offers good energy efficiency, which can help save on utility bills. The unit also boasts an 8 HSPF rating, making it proficient in heating during colder months. The inclusion of a pre-charged heat pump and inverter technology enhances its performance and energy-saving capabilities.
Rating
9.6
BTU Capacity
Noise Level
Installation and Maintenance
Most important from
1235 reviews
#3
Mrcool DIY 12K BTU 4th Gen Energy Star Ductless Mini-Split Air Conditioner
The Mrcool DIY 12K BTU 4th Gen ductless mini-split is a solid choice for cooling and heating spaces up to about 500 square feet, thanks to its 12,000 BTU capacity (1 ton). It stands out with a high energy efficiency rating of 22 SEER and an HSPF of 11.5, meaning it can deliver good performance while keeping energy costs relatively low. The unit is Energy Star certified, which assures it meets energy-saving standards. Noise level is impressively low at 23.5 decibels, making it one of the quieter mini-splits on the market, so it won’t disturb your daily activities or sleep.
Rating
9.5
BTU Capacity
SEER Rating
HSPF Rating
Most important from
357 reviews
Top 10 Best Ductless Mini Split Systems 2025 in the United States
#1
Winner
9.8 score
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
Senville LETO Series Mini Split Air Conditioner Heat Pump, 9000 BTU 110/120V, Inverter, Works with Alexa, SEER2 21.5, White
BTU Capacity: 9,000
SEER Rating: 21.5
Noise Level: 25 dB
Installation and Maintenance: Professional installation required
Chosen by 1219 this week
DELLA Vario 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat Pump Ductless Inverter System, 19 SEER2, Cools Up to 550 Sq. Ft,16.4ft installation kit included
DELLA Vario 12000 BTU Mini Split Air Conditioner Work with Alexa with 1 Ton Pre-Charged Heat Pump Ductless Inverter System, 19 SEER2, Cools Up to 550 Sq. Ft,16.4ft installation kit included
BTU Capacity: 12000
SEER Rating: 19
HSPF Rating: 8
Noise Level: 30-41 dBa
Installation and Maintenance: Professional installation required
Mrcool DIY 12K BTU 4th Gen Energy Star Ductless Mini-Split Air Conditioner
Mrcool DIY 12K BTU 4th Gen Energy Star Ductless Mini-Split Air Conditioner
BTU Capacity: 12,000 British Thermal Units
SEER Rating: 22
HSPF Rating: 11.5
Number of Zones: single-zone
Noise Level: 23.5 dB
Installation and Maintenance: DIY-ready, pro help advised first time
MRCOOL DIY 24K BTU 4th Gen 1-Zone 20.5 Seer Energy Star Ductless Mini-Split Air Conditioner.
MRCOOL DIY 24K BTU 4th Gen 1-Zone 20.5 Seer Energy Star Ductless Mini-Split Air Conditioner.
BTU Capacity: 24000
SEER Rating: 20.5
HSPF Rating: 10.5
Number of Zones: 1
Noise Level: 33 dB
Installation and Maintenance: DIY installation
Related Products
MrCool Easy Pro 12k BTU 18 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset
MrCool Easy Pro 12k BTU 18 SEER Ductless Heat Pump Split System - DIY Mini Split w/ 16ft Lineset
BTU Capacity: 12,000
SEER Rating: 18
Number of Zones: 1
Noise Level: 60 dB
Installation and Maintenance: DIY installation, pre-charged lineset, washable filters
DELLA 18K BTU ODU 2 Dual Zone 9000 9000 BTU Wifi Mini Split Air Conditioner Work with Alexa, 19 SEER2 208-230V Cools Up to 800 Sq.Ft Multi Zone Ductless Pre-Charged Heat Pump, 16ft Installation Kits
DELLA 18K BTU ODU 2 Dual Zone 9000 9000 BTU Wifi Mini Split Air Conditioner Work with Alexa, 19 SEER2 208-230V Cools Up to 800 Sq.Ft Multi Zone Ductless Pre-Charged Heat Pump, 16ft Installation Kits
BTU Capacity: 18,000 BTU
SEER Rating: 20
Number of Zones: 2
Noise Level: 41 dB
Installation and Maintenance: Professional installation required
Senville 18000 BTU Dual Zone Mini Split Air Conditioner Heat Pump, 1.5 Ton, 2 Zone, Works with Alexa, White
Senville 18000 BTU Dual Zone Mini Split Air Conditioner Heat Pump, 1.5 Ton, 2 Zone, Works with Alexa, White
BTU Capacity: 18000
SEER Rating: 22.5
Number of Zones: 2
Installation and Maintenance: Professional installation required
Senville SENA-30HF/T Tri Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Works with Alexa, White
Senville SENA-30HF/T Tri Zone Mini Split Air Conditioner Heat Pump, 28000 BTU, Works with Alexa, White
BTU Capacity: 28000
SEER Rating: 23.0
Number of Zones: 3
Noise Level: 25 dB
Installation and Maintenance: Professional installation required
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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.