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

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.

The Daikin 18,000 BTU 2-zone mini-split system is a strong choice for cooling and heating garage spaces up to around 950 square feet. With separate 9,000 and 12,000 BTU indoor units, it allows personalized temperature control in two zones, which is useful if your garage has distinct areas or if you want flexibility. Its high 21 SEER2 rating means it is quite energy efficient, helping to keep electric bills lower in the long run. This system uses the eco-friendly R-32 refrigerant and operates quietly at about 24 decibels, so it won’t add much noise disturbance. It also supports heating down to 5°F, making it suitable for cold climates where winter use is needed.

The included Wi-Fi capability and compatibility with Alexa and Google Home add convenience by letting you adjust settings remotely or with voice commands. Installation is straightforward with the included 15-foot kits and wall mounting brackets, but as a split system, it does require professional installation. On the downside, the product isn’t Energy Star certified, which some buyers look for as a benchmark, and the upfront cost and installation complexity might be higher than simpler single-zone units. Also, while it has many advanced features like air purification and silent mode, these might be more appreciated by users familiar with smart home tech.

This Daikin mini-split provides reliable and efficient heating and cooling with flexible zone control and modern smart features, making it a fitting option for garage owners seeking these capabilities.

The Senville 36000 BTU Dual Zone Mini Split Air Conditioner Heat Pump is a strong option if you need to cool and heat a large space, like a garage up to around 2000 square feet. With a 3-ton capacity and a high SEER rating of 22, it promises energy-efficient performance that helps keep electricity costs lower. It operates quietly at just 24 decibels, which is great for a garage where noise can be disruptive. This system stands out because it offers dual zone control, meaning you can independently set temperatures in two different areas—ideal if your garage has separate zones or adjoining rooms.

Heating is also included, and it works well even in very cold temperatures down to -22°F, which is useful if you want to use it year-round. The unit is Alexa-compatible, allowing remote temperature control through voice commands or an app, adding convenience and the ability to save energy when you're away. Installation is split-type and professional setup is required, so it’s not a DIY-friendly model. One thing to consider is its size and weight, which might require planning for space and support.

This mini split is well suited for owners looking for a powerful, versatile, and smart heating and cooling solution for a large garage or similar workspace, though it is a bigger commitment in terms of installation and upfront cost.