10 Best Portable Air Conditioner For Garage 2025 in the United States

The Dreo Portable Air Conditioner offers a strong cooling capacity of 12,000 BTU, making it suitable for a garage space. One of its standout features is the low noise level of 46dB, making it suitable for quieter environments.

In terms of size and portability, it's relatively compact with dimensions of 14.37 x 17.32 x 28.13 inches and comes with handles and castors for easier movement. It includes a universal window kit for flexible ventilation options and does not require drainage under normal humidity levels, which simplifies maintenance.

Additional features like smart control via an app, voice assistant compatibility, and a 24-hour timer enhance usability. However, it may not be optimal for extremely humid environments due to its drainage-free design. The Dreo Portable Air Conditioner is a feature-rich, quiet, and powerful option for cooling a garage.

The SereneLife Small Air Conditioner Portable 12,000 BTU is a versatile unit designed for spaces like garages, offering several notable strengths. It's lightweight and portable, thanks to its sleek design and rolling wheels, making it easy to move around. The unit boasts a decent cooling capacity of 12,000 BTUs, which is sufficient for rooms up to 550 sq ft, making it fitting for most garages.

Additionally, it includes a built-in dehumidifier, which helps to reduce humidity levels, and a heating mode for year-round use, adding versatility. This model's noise level ranges from 56-59 dB, which is relatively quiet for its category, and its SEER of 15 indicates moderate energy efficiency. The unit comes with a remote control and a digital touch button panel for easy operation, and it includes an exhaust kit for window installation, which is convenient for ventilation.

However, the product has a few drawbacks. Its size and weight (70.3 pounds) may make it slightly cumbersome for some users despite its portability features. The cooling power might not be sufficient for larger or exceptionally hot garages. Additionally, while the noise level is within a reasonable range, it may still be noticeable in quieter settings. This air conditioner is a strong contender for those needing a portable cooling solution for mid-sized garages, balancing functionality with convenience.

The BLACK+DECKER Portable Air Conditioner offers a cooling capacity of 12,000 BTU ASHRAE 128 (8,000 BTU DOE), making it suitable for rooms up to 550 sq. ft., which is adequate for most garages. The unit has an Energy Efficiency Ratio (EER) of 5.8, which is on the lower side, indicating it may not be the most energy-efficient option available. Its noise level is 52 dB, which is relatively quiet and should not be overly disruptive in a garage setting.

The portable AC is designed for easy mobility, featuring casters and side handles, making it convenient to move around as needed. However, it weighs 56.8 pounds, which might be cumbersome for some users. The unit includes a simple-to-install window kit for ventilation, which is essential for proper functioning. Additional features include a 'Follow Me' remote control, allowing precise temperature control by acting as a thermostat, and an auto water evaporation system that reduces manual maintenance.

The size of the unit is compact (13.8 x 17.1 x 28.1 inches), which should fit comfortably in most spaces. The BLACK+DECKER Portable Air Conditioner is a solid choice for cooling a garage, though it could be more energy-efficient. It is user-friendly with its easy installation and mobility features, but the weight may be a drawback for some users.