10 Best Mini Splits 2026 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 12000 BTU mini split is a solid choice if you need a compact, energy-efficient unit to cool or heat a medium-sized room (up to about 750 square feet). Its 1-ton heat pump and 20 SEER rating mean it uses less electricity compared to many older models, helping keep energy bills lower. It offers five modes—including heating, cooling, dry, and fan—to suit different weather conditions year-round. The inverter technology helps maintain a steady temperature without constantly switching the compressor on and off, which saves power and extends the unit’s life. Noise is fairly low at around 51 decibels, so it won’t disturb a quiet room, and features like a remote control with a sleep timer add convenience.

The self-cleaning function and washable filter help maintain good air quality, while the auto-defrost feature protects the outdoor unit in cold weather. Installation requires a licensed professional and involves mounting the indoor and outdoor units separately. Some potential drawbacks are that it only supports a single zone, so it’s best for one main living area rather than multiple rooms. Also, the 115V power requirement may limit placement options depending on your home’s wiring.

With smart-like features such as iFEEL, which senses temperature around the remote, the unit still lacks full smart home integration. This mini split is well-suited for users who want dependable heating and cooling with a focus on energy savings and quiet operation in a single room setup.

The MRCOOL 12000 BTU mini-split is a solid choice for cooling and heating spaces up to about 550 square feet, making it well suited for single-zone rooms in homes, small offices, or commercial areas. Its 12,000 BTU power and 1-ton capacity provide reliable temperature control, and the unit’s SEER rating of 23.5 promises good energy efficiency, which can help reduce electricity bills. Installation is a standout feature here, designed as a DIY system with a pre-charged line set and no special tools needed, which saves time and potentially installation costs if you’re comfortable with a hands-on approach. Operating quietly at 45 decibels, it won’t disturb your daily activities or sleep.

The system also offers both heating and cooling, making it useful throughout all seasons. Smart features like WiFi connectivity and compatibility with Google Assistant and Amazon Alexa allow easy remote control and customization of comfort settings, adding convenience. A few drawbacks include its 1-star BEE rating, which is quite low in some markets, meaning it might not be the most environmentally efficient option available. Also, it covers only one zone, so it’s not ideal if you need to control multiple rooms independently.

While the unit’s white, sleek design fits most interiors, at 145 pounds, handling it might require some help during installation. Backed by a solid warranty (5 years parts and 7 years compressor), this MRCOOL mini-split is a practical pick for users wanting an affordable, efficient, and easy-to-install heating and cooling solution for a single-zone space.