10 Best Mini Split For Garage 2025 in the United States

The DELL Versa Series 18000 BTU Mini Split AC is a solid choice for those looking to cool or heat a garage space of up to 1000 square feet. With an impressive SEER rating of 19, it stands out as an energy-efficient option, potentially saving you power costs while maintaining a comfortable environment. Its heating capability is commendable, functioning effectively down to -4°F, which is ideal for colder climates.

One of its notable strengths is the silent operation at just 50 dBa, making it a great addition to a garage where noise might be a concern. The inclusion of smart features such as WiFi connectivity and compatibility with Alexa makes it user-friendly and convenient, allowing for remote adjustments.

Installation is a crucial aspect to consider. It requires professional installation, which may add to the initial cost and complicate setup for those hoping for a DIY project. Additionally, the system mandates proper line-set vacuuming and adjustments to freon levels if modifications are made, which can be a hassle. The DELL Versa Series mini-split AC is a powerful, efficient, and quiet system, well-suited for garage use. It offers great features and coverage but comes with the caveat of requiring professional installation, which could be a drawback for some users.

The COSTWAY 18000 BTU mini-split is a solid choice if you're looking to heat and cool a garage up to about 1250 square feet. Its cooling and heating power, supported by a 1.5-ton heat pump, makes it suitable for year-round comfort, whether you need warmth in winter or cooling in summer. With a SEER rating of 19, it is energy efficient, which means it can save you money on electricity over time compared to less efficient models. The inverter technology helps by running the compressor smoothly instead of turning it on and off frequently, extending the unit’s life and improving efficiency.

The unit offers several modes, including auto, cool, dry, heat, and fan, plus extra features like sleep and eco modes, so you can customize air flow and temperature to your liking. It also has a remote control for convenience and a quiet operation at 56 decibels, which is about the noise level of a normal conversation—not completely silent but generally unobtrusive.

On the maintenance side, the self-cleaning function and washable filter simplify upkeep, and the R-32 refrigerant used is better for the environment compared to older refrigerants. Installation needs to be handled by a licensed HVAC professional, which means added cost and effort upfront. Additionally, while 56 dB is fairly quiet, if your garage is used as a workspace requiring near silence, you might notice the sound. The product includes good warranty coverage (5 years on parts and 8 years on the compressor), providing peace of mind. If you want an energy-efficient mini-split that covers heating and cooling with useful features and manageable noise, this unit fits well, though professional installation and moderate noise should be expected.

The MrCool Easy Pro 12k BTU 18 SEER Ductless Heat Pump Split System is a versatile option for anyone looking to regulate the temperature in a garage space. With a BTU capacity of 12,000, it is well-suited for areas up to 550 square feet, making it a good fit for most standard garages. The high SEER rating of 18 indicates strong energy efficiency, which can help keep electricity costs manageable. Additionally, its heating capability is considerable. The noise level of 60 dB is moderate; it’s not the quietest on the market but should be acceptable for a garage setting where absolute silence isn't a priority.

Installing this unit is made easier with the included 16ft pre-charged line set, and the DIY aspect is a big plus for those looking to save on professional installation costs. Maintenance is also straightforward with washable filters. Extra features like the ‘Follow Me’ function and sleep mode add convenience and comfort. The warranty offers 1 year on the compressor and 2 years on parts, which is shorter than some competitors. The unit is also quite heavy at 150 pounds, which could make initial setup challenging.

In summary, the MrCool Easy Pro is a strong contender for garage temperature control, combining efficiency, ease of installation, and useful features, though potential buyers should be mindful of the warranty and noise level.