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10 Best Two Zone Mini Split Air Conditioners 2025 in the United States

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Our Top Picks

#1

Winner

ROVSUN 20000 BTU Dual Zone WIFI Mini Split AC/Heating System, 20 SEER2 2 Zone 12000 + 12000 BTU Ductless Split Air Conditioner with Pre-Charged Condenser, Heat Pump & 25Ft Copper Line Set, 208-230V

Rating
10.0
Chosen by1,297
Noise Level
Installation and Maintenance

Most important from
74 reviews

Noise Level
The unit is whisper silent, making it perfect for use in a studio environment without being picked up by microphones.
Installation and Maintenance
Installation was straightforward and well-documented, with clear instructions provided.

The ROVSUN 20000 BTU Dual Zone WIFI Mini Split AC/Heating System is designed to provide efficient and versatile climate control for multiple rooms. With a high 20 SEER2 rating, it promises significant energy savings, making it a cost-effective choice for both home and business use. This system includes two 12,000 BTU indoor units and one 20,000 BTU outdoor condenser, allowing individual temperature control in two rooms, which is ideal for tailored comfort.

The included inverter and heat pump ensure powerful performance in a wide range of ambient temperatures, from -13℉ to 131℉, making it suitable for various environments. The unit’s advanced features like auto-defrost, self-diagnosis, and multiple operating modes (sleep, silent, turbo) enhance user convenience and efficiency. Additionally, its compatibility with mobile apps and voice control (Alexa/Google Assistant) offers modern smart home integration, allowing users to adjust settings remotely for ongoing comfort.

One of the standout benefits is the pre-charged condenser and included 25ft copper line set, which simplifies the installation process. However, professional installation is strongly recommended to ensure optimal performance and safety. While the noise level is not explicitly mentioned, the silent mode suggests a focus on quiet operation. Some potential drawbacks include the necessity for additional power cords and the logistical aspect of waiting for all five boxes to arrive before scheduling installation, which could be inconvenient for some users.

Rating
10.0
Chosen by1,297
Noise Level
Installation and Maintenance

Most important from
74 reviews

Noise Level
The unit is whisper silent, making it perfect for use in a studio environment without being picked up by microphones.
Installation and Maintenance
Installation was straightforward and well-documented, with clear instructions provided.
#2

Cooper & Hunter 28,000 BTU, Dual 2 Zone 9000 18000 BTU Wall Mount 23.80 SEER, 24.6 SEER2, Ductless Mini Split Air Conditioner Heat Pump Full Set with 25ft Installation Kits.

Rating
10.0
BTU (British Thermal Units)
Noise Level
Installation and Maintenance

Most important from
96 reviews

BTU (British Thermal Units)
The unit cools the main part of the house quickly, even on triple-digit days, and can be adjusted for different temperatures in different zones.
Noise Level
Both inside and outside units operate very quietly, making them unobtrusive in living spaces.
Installation and Maintenance
Installation was straightforward according to an experienced installer, and the system has the capacity to add another inside head in the future.

The Cooper & Hunter 28,000 BTU Dual Zone Mini Split Air Conditioner offers robust cooling and heating capabilities with its 28,000 BTUs and dual zone system (9,000 BTU and 18,000 BTU units). The high SEER ratings of 23.80 and 24.6 SEER2 indicate excellent energy efficiency, which can help save on electricity bills. Its impressive noise level of 25 dB ensures quiet operation, making it a suitable choice for bedrooms and living spaces.

The inclusion of smart technology allows for convenient control via a smartphone app, adding to its user-friendly features. However, the unit requires professional installation, which could be a drawback for those looking for a DIY option. Additionally, its substantial weight and the need for freight delivery might be inconvenient for some users. On the plus side, it is equipped with a comprehensive installation kit and U.S.-based support is available for assistance.

The heating capability works in temperatures as low as -13°F, making it versatile for various climates. Potential buyers should consider the initial installation costs and logistics involved in setting up this system.

Rating
10.0
BTU (British Thermal Units)
Noise Level
Installation and Maintenance

Most important from
96 reviews

BTU (British Thermal Units)
The unit cools the main part of the house quickly, even on triple-digit days, and can be adjusted for different temperatures in different zones.
Noise Level
Both inside and outside units operate very quietly, making them unobtrusive in living spaces.
Installation and Maintenance
Installation was straightforward according to an experienced installer, and the system has the capacity to add another inside head in the future.
#3

ROVSUN 2 Zone 20000 BTU (9K+9K) Mini Split AC/Heating System, 20 SEER2 Dual Zone Ductless Wall Mounted Air Conditioner with Pre-Charged Condenser, Heat Pump & 25Ft Line Set, 208-230V

Rating
9.4
Installation and Maintenance
Smart Features

Most important from
42 reviews

Installation and Maintenance
Installation is made easier with the inclusion of 26.7 feet of high-quality copper line sets and numbered electrical lines.
Smart Features
Users would appreciate more detailed information about ambient temperature and humidity in the app.

The ROVSUN 2 Zone Mini Split AC/Heating System brings a comprehensive climate control solution with two 9,000 BTU indoor units paired with an 18,000 BTU outdoor condenser. This setup allows for individual temperature control in two different rooms, making it ideal for homes with multiple zones needing customized climates. The 19 SEER rating indicates a high level of energy efficiency, translating to lower electricity bills, which is a significant plus for users looking to save on energy costs.

The heating system is also robust with a heat pump capable of functioning efficiently even in colder temperatures down to 5°F (-15°C). This makes it versatile for year-round use whether for cooling in summer or heating in winter. The unit operates quietly, which is beneficial for maintaining a peaceful environment at home or in commercial spaces like offices and restaurants. Additional features such as automatic defrosting, self-diagnosis, sleep mode, and turbo function enhance its usability and convenience.

The system supports smart features like Wi-Fi and voice control, compatible with Alexa and Google Assistant, allowing for remote operation and easier adjustments. While the unit is fairly easy to use, it does require professional installation, which might be an added cost. The 25-foot pre-charged lines facilitate a hassle-free setup, but it's something to keep in mind for installation logistics. It’s an excellent choice for those who need efficient, customizable, and energy-saving cooling and heating solutions across multiple rooms.

Rating
9.4
Installation and Maintenance
Smart Features

Most important from
42 reviews

Installation and Maintenance
Installation is made easier with the inclusion of 26.7 feet of high-quality copper line sets and numbered electrical lines.
Smart Features
Users would appreciate more detailed information about ambient temperature and humidity in the app.

Buying Guide for the Best Two Zone Mini Split Air Conditioners

Choosing the right two-zone mini-split air conditioner can significantly improve the comfort of your home by allowing you to control the temperature in two separate areas independently. This type of air conditioner is ideal for homes with multiple rooms or areas that require different cooling or heating settings. 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 specs to consider when selecting a two-zone mini-split air conditioner.
BTU (British Thermal Units)BTU measures the cooling or heating capacity of the air conditioner. It's important because it determines how effectively the unit can cool or heat a given space. For two-zone systems, you need to consider the combined BTU rating for both zones. Typically, a higher BTU rating means the unit can handle larger spaces or more extreme temperatures. For small to medium-sized rooms, a combined BTU rating of 18,000-24,000 may be sufficient, while larger areas might require 30,000 BTU or more. Assess the size of the rooms and their insulation quality to determine the appropriate BTU rating for your needs.
SEER (Seasonal Energy Efficiency Ratio)SEER measures the energy efficiency of the air conditioner 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. For moderate climates, a SEER rating of 16-18 is usually adequate, while hotter climates might benefit from a SEER rating of 20 or higher. Consider your local climate and how often you'll be using the air conditioner to choose the right SEER rating for your home.
HSPF (Heating Seasonal Performance Factor)HSPF measures the efficiency of the air conditioner in heating mode. It's important for those who plan to use the unit for heating during colder months. A higher HSPF rating means better heating efficiency. HSPF ratings typically range from 8 to 13. For mild winters, an HSPF rating of 8-9 may be sufficient, while colder climates might require a rating of 10 or higher. Consider the severity of your winters and how much you'll rely on the unit for heating to determine the appropriate HSPF rating.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the air conditioner will be during operation. This is important for maintaining a comfortable and quiet environment, especially in bedrooms or living areas. Noise levels for mini-split systems typically range from 20 dB (very quiet) to 50 dB (moderate noise). If you prioritize a quiet environment, look for units with noise levels below 30 dB. Consider where the indoor units will be installed and how sensitive you are to noise when choosing the right noise level for your air conditioner.
Installation and MaintenanceInstallation and maintenance involve the ease of setting up the system and keeping it running efficiently. Proper installation is crucial for optimal performance and energy efficiency. Some units come with DIY installation kits, while others require professional installation. Regular maintenance, such as cleaning filters and checking refrigerant levels, is important for longevity and efficiency. Consider your comfort level with DIY projects and the availability of professional services in your area when choosing a unit. Also, check for features like washable filters and easy access panels that can simplify maintenance.
Smart FeaturesSmart features include Wi-Fi connectivity, remote control via smartphone apps, and integration with home automation systems. These features can enhance convenience and allow you to control the air conditioner from anywhere. Some units also offer programmable settings, energy usage tracking, and compatibility with voice assistants like Amazon Alexa or Google Assistant. If you value convenience and tech integration, look for units with robust smart features. Consider how tech-savvy you are and how much you value remote control and automation when selecting a unit with smart features.

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