10 Best Mini Split Ac For Garage 2025 in the United States

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a solid solution for those looking to regulate temperature in a garage or similar space. With a BTU capacity of 9,000, it's well-suited for areas up to 400 square feet, making it appropriate for most standard-sized garages. The SEER rating of 21.5 indicates high energy efficiency, which can help reduce electricity bills over time, though it's worth noting that it's not Energy Star compliant. This model is notable for its versatility, offering not just air conditioning but also heating, dehumidifying, and fan functions, with the heat pump being effective down to 5°F (-15°C).

One of its standout features is the integration with Alexa, allowing for convenient voice control and smart home compatibility, which adds a layer of modernity and ease of use. The noise level is very low at 25 dB, ensuring minimal disruption whether you're working or relaxing in the garage.

The installation package is comprehensive, including both indoor and outdoor units, a 16 ft. line set, and a communication wire, though professional installation is required, which could add to the initial cost. While it does come with a robust 5-year warranty on parts and compressor, labor costs are not covered. Its stylish design won't detract from the aesthetics of your space, and it should fit well in both residential and commercial settings. However, if you're keen on a DIY solution, this isn't the unit for you, as professional setup is necessary. The product is backed by a high number of positive customer reviews, suggesting satisfaction with performance and build quality.

The MrCool Easy Pro 18k BTU 18.5 SEER Ductless Heat Pump Split System is a solid choice for cooling and heating a garage. With a cooling power of 18,000 BTUs, it can efficiently cover an area of up to 550 square feet, making it suitable for a medium-sized garage. The high SEER rating of 18.5 indicates good energy efficiency, which can help in lowering electricity bills over time.

The included 16-foot pre-charged line set simplifies the installation process, making it a potential DIY project for those who are handy around the house. However, professional installation might still be advisable for those unfamiliar with HVAC systems to ensure optimal performance and safety. The noise level is at 60 dB, which is moderately quiet, but it may still be noticeable in smaller, enclosed spaces.

For convenience, the unit offers smart features like Wi-Fi compatibility, allowing you to control the system remotely via an app, and the Follow Me function, which adjusts the temperature based on the location of the remote control. Additionally, the Sleep mode ensures quieter operation during the night. The heating capability adds versatility, making it a year-round solution for temperature control. The unit is relatively heavy at 130 pounds, which might pose a challenge during installation. The 1-year warranty on the compressor and 2-year parts warranty are decent but not exceptional, so it’s worth considering if longer coverage is important to you. This mini-split system offers strong performance, energy efficiency, and convenient features, making it a worthwhile option for those looking to maintain a comfortable garage environment.

The MRCOOL Easy Pro 12K BTU mini split is a solid choice for cooling or heating a garage or small space up to about 550 square feet. It offers 12,000 BTUs, providing adequate power for typical garage sizes. With a SEER rating of 19.5, it delivers notable energy efficiency, helping reduce electricity costs while maintaining a comfortable environment.

Installation is designed to be DIY-friendly and includes a 16-foot lineset, which can reduce the need for professional installation if basic setup tasks are manageable. The unit operates at a reasonably low noise level of 43 decibels, ensuring it won't be overly loud or distracting during use. Its heating and cooling functions make it suitable for year-round use.

Additional features include a timer mode, refrigerant leak detection, and Active Clean Technology that helps maintain air quality and simplifies filter cleaning. It carries a 2-star BEE energy rating, which is moderate compared to higher-rated models. This mini split is well-suited for garage owners seeking a reliable, energy-efficient unit with heating capability, smart features, and quiet operation, especially those comfortable with handling installation.