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10 Best Two-Zone Mini Splits 2025 in the United States

#1

Winner

9.9 score

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

The DELLAR 18K BTU ODU 2 Dual Zone Mini Split Air Conditioner stands out for its energy efficiency and flexibility in cooling two separate rooms. With a BTU rating of 18,000 and a SEER rating of 20, it offers robust cooling and heating capabilities suitable for spaces up to 800 square feet. This makes it an excellent choice for homeowners wanting to manage temperatures in different rooms independently using the two included 9,000 BTU indoor units.

Rating
9.9
Chosen by1,387
Noise Level
Installation Flexibility
Control Options

Most important from
184 reviews

Noise Level
Super quiet and cools a very good area, making it a viable and affordable alternative to central air.
Installation Flexibility
Hiring a professional for installation was worth it; the unit looks great both inside and out and cools very efficiently.
Control Options
Works great and the remote is intuitive, though there are no controls directly on the head unit.
#2
9.8 score

Senville 18000 BTU Dual Zone Mini Split Air Conditioner Heat Pump, 1.5 Ton, 2 Zone, Works with Alexa, White

The Senville 18000 BTU Dual Zone Mini Split Air Conditioner Heat Pump is well-suited for cooling and heating multiple rooms. With its 18000 BTU rating, it provides ample power for medium to large spaces, ensuring efficient climate control. The impressive SEER rating of 22.5 indicates high energy efficiency, potentially leading to significant energy savings over time. This model is also Alexa enabled, allowing for convenient voice or app control, which enhances usability and offers modern control options.

Rating
9.8
Noise Level
Installation Flexibility

Most important from
623 reviews

Noise Level
Incredibly quiet and works efficiently year-round, keeping the space comfortable in both summer and winter.
Installation Flexibility
The install was straightforward, and although Wi-Fi setup was challenging, it eventually worked well.
#3
9.7 score

DELLA 18K BTU ODU 2 Dual Zone 12000 12000 BTU 19 SEER2 208-230V Cools Up to 1100 Sq.Ft Wifi Multi Zone Mini Split Air Conditioner Ductless Pre-Charged Heat Pump Work with Alexa, 16ft Installation Kits

The Della 18K BTU Two-Zone Mini Split is designed to cool and heat two separate rooms, each with 12,000 BTU capacity, making it suitable for spaces up to around 1100 sq. ft. Its 19 SEER2 rating means it’s quite energy efficient, potentially saving you around 30% on power compared to less efficient systems. One of its highlights is quiet operation, running at just 41 dBA, which won’t disturb your daily activities or sleep.

Rating
9.7
Noise Level
Installation Flexibility
Control Options

Most important from
184 reviews

Noise Level
The unit operates quietly and cools efficiently, providing comfortable temperature control without disruption.
Installation Flexibility
Professional installation is highly recommended to ensure proper setup and optimal performance.
Control Options
The remote control and WiFi app offer intuitive and flexible management, although there are no controls on the indoor units themselves.

Top 10 Best Two-Zone Mini Splits 2025 in the United States

Senville 18000 BTU Dual Zone Mini Split Air Conditioner Heat Pump, 1.5 Ton, 2 Zone, Works with Alexa, White

BTU Rating: 18000
SEER Rating: 22.5
Installation Flexibility: multiple indoor handlers, one outdoor unit
Control Options: Alexa enabled
Warranty: 10 years compressor, 5 years parts
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Buying Guide for the Best Two-Zone Mini Splits

When choosing a two-zone mini-split system, it's important to consider several key specifications to ensure you get the best fit for your needs. A two-zone mini-split system allows you to control the temperature in two separate areas or rooms independently, providing efficient and customizable comfort. Understanding the key specifications will help you make an informed decision and ensure the system meets your specific requirements.
BTU RatingBTU (British Thermal Unit) rating measures the cooling and heating capacity of the mini-split system. This spec is crucial because it determines how effectively the system can regulate the temperature in your spaces. BTU ratings are typically divided into segments: low (up to 12,000 BTUs), medium (12,000-24,000 BTUs), and high (above 24,000 BTUs). To pick the right BTU rating, consider the size of the rooms you want to cool or heat. Larger rooms or spaces with high ceilings will require a higher BTU rating, while smaller rooms can be adequately served by a lower BTU rating.
SEER RatingSEER (Seasonal Energy Efficiency Ratio) rating measures the energy efficiency of the mini-split system. A higher SEER rating indicates better energy efficiency, which can lead to lower energy bills. SEER ratings are usually categorized as standard (13-15 SEER), high efficiency (16-20 SEER), and ultra-high efficiency (21+ SEER). If you prioritize energy savings and environmental impact, opt for a system with a higher SEER rating. However, if your usage is minimal or you live in a mild climate, a standard SEER rating may suffice.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the mini-split system will be during operation. This spec is important for maintaining a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels are generally categorized as low (below 30 dB), moderate (30-50 dB), and high (above 50 dB). For a peaceful setting, choose a system with a lower noise level. If the system will be installed in a less noise-sensitive area, such as a garage or workshop, a higher noise level may be acceptable.
Installation FlexibilityInstallation flexibility refers to the ease and options available for installing the mini-split system. This spec is important because it affects how seamlessly the system can be integrated into your home. Some systems offer more flexible installation options, such as wall-mounted, ceiling cassette, or floor-mounted units. Consider the layout and design of your rooms when choosing a system. If you have limited wall space, a ceiling cassette or floor-mounted unit might be more suitable. Ensure the system you choose can be installed in a way that meets your aesthetic and functional needs.
Control OptionsControl options refer to the ways you can operate and adjust the mini-split system. This spec is important for convenience and ease of use. Common control options include remote controls, wall-mounted thermostats, and smart home integration. If you value modern technology and convenience, look for systems with smart home compatibility, allowing you to control the system via your smartphone or voice commands. For simpler needs, a basic remote control or wall-mounted thermostat may be sufficient.
WarrantyWarranty coverage indicates the manufacturer's confidence in the product's durability and reliability. This spec is important for long-term peace of mind and protection against potential issues. Warranties are typically divided into segments: short-term (1-2 years), standard (3-5 years), and long-term (6+ years). Choose a system with a warranty that provides adequate coverage for both parts and labor. A longer warranty can be particularly beneficial if you plan to use the system extensively or if it will be installed in a challenging environment.

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