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

The MrCool DIY 36k BTU 18 SEER2 Mini Split AC & Heat Pump is a powerful option for cooling and heating spaces like garages, with a strong 36,000 BTU capacity suitable for larger rooms up to around 1,500 square feet. Its high SEER rating of 23.6 means it runs efficiently, helping to save on electricity bills compared to less efficient models. The unit is designed for wall-mount installation and comes with a full DIY kit, which includes indoor and outdoor units and installation parts, making it a good choice for those comfortable with basic home installation tasks.

Noise level is moderate at 43 dB, roughly equivalent to a quiet conversation, so it won’t be overly disruptive in a garage or workshop setting. The heat pump feature ensures the unit can provide warmth during colder months, adding year-round comfort. The one-year labor warranty offers some peace of mind but is relatively short compared to other brands.

This unit balances strong cooling and heating power with energy efficiency, making it a solid fit for garage environments where a reliable, moderately quiet climate control solution is needed, especially if you prefer a DIY installation approach.

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 DIY 24K BTU 4th Gen Mini-Split Air Conditioner is a solid choice for garage cooling and heating needs. With a powerful 24,000 BTU capacity, it can efficiently manage temperatures in spaces up to 1,000 square feet. The impressive 20.5 SEER rating ensures energy efficiency, which is further validated by its Energy Star certification. This means it will help keep energy bills lower while maintaining high performance.

Additionally, the unit operates at a relatively quiet 33 dB, ensuring minimal noise disruption, which is ideal for a garage setting where noise can be a concern. The heating capability with a 10.5 HSPF is a nice bonus, allowing for year-round climate control even in colder months. One of the standout features is its DIY installation, as it comes with pre-charged R-410 quick-connect lines, meaning it's user-friendly and doesn't require professional installation.

Smart features are also a major plus, with the ability to control the unit remotely via an app on your smartphone, providing convenience and enhanced control. However, the unit is quite large and heavy, which might pose installation challenges for some users. Furthermore, although the unit is designed to be a DIY install, those unfamiliar with such installations might still find it somewhat daunting. Despite these minor drawbacks, the MRCOOL DIY 24K BTU 4th Gen Mini-Split Air Conditioner is an efficient, powerful, and smart choice for anyone looking to manage their garage's climate effectively.