10 Best Ductless Mini Split Systems 2025 in the United States

The DELLA Vario 24000 BTU Mini Split is a solid choice for cooling or heating a medium to large space—up to about 1500 square feet. Its 24000 BTU capacity and 19 SEER2 rating make it quite energy efficient, helping save on electricity bills compared to less efficient units. It also includes a 2-ton heat pump that operates well even in cold temperatures down to -4°F, making it versatile for year-round use. Noise is kept low at roughly 35 dB, so it runs quietly without disturbing your daily activities.

One standout feature is the smart sensor in the remote control that adjusts airflow and temperature based on room conditions, adding to comfort and efficiency. It also supports Alexa and WiFi control, which is convenient if you like smart home integration. However, this system covers only a single zone, so if you want to cool or heat multiple rooms independently, you might need to look for multi-zone models.

Installation isn’t DIY-friendly—it requires a professional to vacuum the line-set and handle refrigerant adjustments, so be prepared for extra installation costs. Maintenance is typical for ductless systems and should be performed regularly to keep it running smoothly. This unit is well-suited for homeowners looking for an energy-efficient, quiet, and smart-controlled mini split for a single zone with solid heating and cooling capabilities.

The Senville 48000 BTU Five Zone Mini Split is designed to cool and heat multiple rooms efficiently with its five indoor air handlers, each rated at 9000 BTU, combined with a powerful 48000 BTU outdoor condenser. Its SEER rating of 22 means it is quite energy-efficient, helping to reduce electricity bills compared to older or less efficient units. The system also carries the Energy Star label, which is a good sign of energy savings and environmental friendliness. One of the standout features is its whisper-quiet technology, operating at just 23.5 decibels, making it well suited for quiet spaces like bedrooms or offices. The unit uses DC inverter technology, which allows it to adjust cooling and heating output smoothly for better performance and lower energy use.

It supports up to five zones, giving you control over different rooms independently, which is ideal for homes or small commercial spaces needing customized comfort. On the downside, the outdoor unit size is fairly large (48 x 48 x 60 inches), which may require ample outdoor space for installation. While the product is ETL and AHRI certified, which ensures safety and performance standards, installation of a multi-zone split system can be more complex and might need professional help, which adds cost.

Customer feedback generally indicates positive experiences, but the number of reviews is relatively low, so extensive user experience information is limited. This Senville mini split system is a solid choice for those who want efficient, quiet multi-zone heating and cooling, but it is important to consider installation requirements and available space before buying.

The Senville AURA Series Mini Split Air Conditioner Inverter Heat Pump is an efficient choice for those needing powerful climate control, offering 33000 BTU of cooling power suitable for larger spaces. With a SEER rating of 19.5, it ensures energy efficiency which is ideal for reducing electricity bills, and its Energy Star certification further confirms this efficiency. Heating capabilities are also robust, functioning effectively in extremely cold conditions down to -22°F, making it suitable for regions with harsh winters.

The system’s noise level is relatively low at 35 dB, promising quieter operation which is great for both residential and commercial settings. It supports voice control through Alexa, adding convenience for tech-savvy users who enjoy smart home integration. However, it does require professional installation, which may incur additional costs and effort. Maintenance might be straightforward given the 5-year parts and 10-year compressor warranty, although labor is not covered under warranty, potentially leading to extra expenses for part replacements.

The design is versatile and aesthetically pleasing, fitting well into various environments. On the downside, the system is not DIY-friendly and the substantial weight and size may pose handling challenges during installation. Ideal users are those needing high-capacity cooling and heating with smart home compatibility and are prepared for professional setup.