10 Best Mini Split Units 2026 in the United States

The Daikin 24,000 BTU 21 SEER2 3-Zone Mini Split Air Conditioner Heat Pump System is an advanced and versatile option in the mini-split unit category. With a total capacity of 24,000 BTU, it includes three independently controlled zones (9,000 BTU, 12,000 BTU, and 12,000 BTU), making it ideal for personalized climate control in multiple spaces. The impressive SEER rating of 21, along with a 10 HSPF rating, ensures high energy efficiency, which means lower energy bills over time. This unit is designed to provide efficient cooling and heating across a wide temperature range, from 14°F to 115°F for cooling and 5°F to 59.9°F for heating, making it suitable for various climates and applications, including renovations and spaces without traditional ductwork like sunrooms and basements.

The inclusion of Wi-Fi connectivity allows for easy control via the Daikin One Home app or voice commands with Alexa and Google Home, adding convenience and modern comfort features. The system operates quietly, with indoor noise levels as low as 24 dB, which is a significant advantage for maintaining a peaceful indoor environment. Installation is facilitated by the Maxwell installation kit and mounting bracket, although professional installation is recommended for optimal performance and warranty protection.

One potential drawback is that the product is not Energy Star rated, which might be a consideration for users prioritizing certified energy efficiency labels. Additionally, while the system comes with a robust 12-year warranty, the initial cost and complexity of installation might be higher compared to simpler single-zone units. However, the extensive warranty and feature set, including enhanced air quality and humidity control, make it a compelling choice for those seeking a high-performance, multi-zone mini-split system.

The Senville LETO Series Mini Split offers a solid 18,000 BTU cooling capacity, making it a good fit for medium-sized rooms up to about 1,000 square feet. With a SEER rating of 19, it promises energy-efficient operation, which helps keep electricity bills lower during use. It also works as a heat pump effectively down to 5°F, adding year-round comfort with heating and cooling options. This model supports a single zone, meaning it can control temperature in one room or area at a time. Noise level is very low at about 30 dB, so it won’t disturb your daily activities or sleep.

The unit includes an installation kit and refrigerant for up to 25 feet of line set, but professional installation is recommended for safety and performance reasons. One interesting feature is its Alexa compatibility, allowing smart home integration for easy voice or app control. However, the system is not BEE star rated, which might be a consideration if you prioritize eco-labels. The warranty covers parts for 2 years and the compressor for 5 years, providing decent peace of mind for long-term use.

Though the price and installation requirements may be a bit higher than window units or simpler models, this mini split is a versatile and quiet option that combines modern smart features with reliable cooling and heating in one package.

The Senville LETO Series mini-split is a 12,000 BTU (1-ton) unit, making it well-suited for cooling and heating medium-sized rooms like bedrooms or living areas. It offers a strong SEER rating of 19 (SEER2 20.8), which means it is quite energy efficient compared to many standard units, helping reduce electricity bills. This model functions as a heat pump that works effectively even in cold weather down to 5°F (-15°C), and it also includes additional features like dehumidifying and a fan mode for year-round comfort. The unit supports voice control through Alexa, allowing easy temperature adjustments via app or voice commands, which adds convenience. It comes as a single-zone system, meaning it’s designed to control one main area rather than multiple rooms.

Installation requires professional help, but the package includes most components needed, like the indoor and outdoor units, remote, and installation kit with refrigerant for lines up to 25 feet. Noise levels are not explicitly listed, but Senville models generally operate quietly. Although it’s stylish and fits well in homes or small businesses, the unit is not Energy Star certified, which might be a consideration if you prioritize certified eco-friendly appliances. The product also comes with a solid 5-year warranty on parts and compressor, which provides peace of mind. Labor costs aren’t covered, so factor that in for installation expenses. This mini-split is a practical choice if you want a reliable, energy-efficient, and smart-controlled heating and cooling solution for a single space.