10 Best Mini Splits 2025 in the United States

The DELLA Versa Series 24000 BTU Mini Split AC is a robust choice for those needing a powerful cooling and heating solution for spaces up to 1500 sq. ft. It boasts an impressive 19 SEER2 rating, indicating high energy efficiency, and features a 2-ton heat pump that works efficiently even in cold environments down to 5°F. Its inverter system and DC Inverter technology help save up to 30% on power, making it a cost-effective option in the long run. Additionally, the unit is compatible with Alexa and WiFi, allowing for convenient remote control operation. The inclusion of smart functions like 4D air flow, multiple fan speeds, and various modes (heating, cooling, dehumidifying) adds to its versatility and user comfort.

This mini-split system requires professional installation due to the need for line-set vacuuming and potential adjustments to freon levels if the line-set length is altered. It is not suitable for DIY installation, which might be a drawback for some users. With a noise level of only 35 dB, it operates quietly, making it ideal for use in bedrooms or living spaces without disturbance. The comprehensive installation kit provided simplifies the setup process for professionals.

The DELLA Versa Series is a reliable and efficient mini-split AC for larger spaces, combining advanced technology with user-friendly features, though it requires professional installation.

The COSTWAY 18000 BTU mini-split is a strong choice for cooling and heating medium to large rooms, covering up to 1250 square feet. With a solid SEER rating of 19, it promises energy efficiency that can help keep electricity bills manageable. It uses the eco-friendly R-32 refrigerant, which is better for the environment compared to older types. This unit offers 5 different modes including cool, heat, dry, and fan, plus additional features like turbo boost and sleep mode to customize comfort. Noise level stands at 56 dB, which is moderately quiet—suitable for bedrooms or living rooms without being disruptive. The system is single-zone, meaning it’s designed to control the temperature of one area rather than multiple rooms.

Installation must be done by a licensed HVAC professional, and the package includes the main components and remote control for convenient operation. The self-cleaning and auto-defrost functions reduce maintenance needs, which is a nice plus. It requires a 208-230V power supply, which may not be compatible with all home wiring setups, and the noise level, while reasonable, might be noticeable for those very sensitive to sound. This unit is a solid pick if you want an efficient and versatile mini-split for a single space, but if you need multi-zone control or ultra-quiet operation, you might want to explore other models.