10 Best Wall Mounted Ductless AC Units 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers 12000 BTUs of cooling power, making it suitable for spaces up to 700 square feet. With a high SEER of 19, it is energy efficient, which means lower electricity bills and a smaller environmental footprint. The unit is relatively quiet, operating at a noise level of only 22.5 dB, making it ideal for bedrooms and living areas where noise can be a concern.

Additionally, it includes versatile features such as air conditioning, heating, dehumidifying, and fan functions, catering to various needs throughout the year. Its integration with Alexa allows users to control the unit remotely, adding convenience and the ability to set routines for temperature adjustments. The product includes a complete installation package but requires professional installation to ensure the warranty is valid, which might be a drawback for those looking for a DIY option.

The warranty covers parts for 5 years and the compressor for 5 years, though labor costs are not included, which could lead to additional expenses. The unit is aesthetically pleasing and fits well in both residential and commercial environments. This mini split is a well-rounded option for those looking for efficiency, quiet operation, and smart features, but the need for professional installation and the exclusion of labor costs in the warranty might be points to consider.

The Senville AURA Series Mini Split Air Conditioner is a wall-mounted, ductless AC unit that offers a substantial cooling power of 24,000 BTU, making it suitable for large spaces up to 1250 square feet. It shines in energy efficiency with a SEER rating of 20.5 and an Energy Star certification, ensuring lower energy costs. The noise level is notably low at 36 dB, which is excellent for maintaining a peaceful environment in both residential and commercial settings.

Compatibility with Alexa adds a layer of convenience, allowing voice or app control for adjusting settings remotely. However, professional installation is necessary, which can add to the initial cost and complexity. Additionally, while the warranty covers parts for up to 7 years, it does not include labor costs, which could be a drawback for some users.

The set includes an indoor air handler, outdoor condenser, and a 16ft line set, but the remote control and WiFi kit are additional components that enhance its usability. Its versatile design fits various aesthetics, making it a robust choice for different applications.

The Keystone 14,000 BTU wall-mounted air conditioner is designed for larger rooms up to 700 square feet, offering strong cooling power to keep living spaces comfortable even in warmer months. It includes a supplemental heating function, useful for mild cold days, though it isn’t intended as the main heat source. Its SEER rating of 9.3 is moderate, indicating average energy efficiency, and it lacks Energy Star certification, which suggests typical electricity usage. The noise level is 61.5 dB, noticeable but typical for units of this capacity; it might be a bit loud for very quiet rooms or light sleepers.

Installation requires a 230V/20-amp outlet and includes a trim kit, but it needs a through-the-wall setup rather than simple window mounting, so professional installation is likely needed. Convenient features include a smart remote that measures room temperature for accurate control, energy-saving modes to help reduce power use, and a built-in dehumidifier to improve indoor air comfort. The unit’s moderate size means it won’t block window views or floor space, making it a good fit for those wanting a fixed, space-saving cooling and heating solution.

This Keystone unit is well-suited for users seeking a reliable, multi-function wall-mounted AC with supplemental heat and dehumidifying features for sizable rooms, while accepting average energy efficiency and moderate noise levels. The 1-year warranty plus 4 years on the sealed system provides reasonable support.