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

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.

The BLACK+DECKER Portable Air Conditioner is a versatile 3-in-1 unit that can cool, dehumidify, and fan rooms up to 450 sq. ft., making it suitable for a typical garage. With a cooling capacity of 10,000 BTU (ASHRAE 128 standard) or 6,300 BTU (DOE standard), it can effectively lower temperatures in medium-sized spaces.

The Energy Efficiency Ratio (EER) is somewhat moderate at 6.7, which suggests it may not be the most energy-efficient option available but still performs adequately. One notable feature is the 'Follow Me' remote control, which acts as a thermostat for more accurate temperature management throughout the room. The noise level is 52 dB, which is relatively quiet and should not cause significant disturbance in a garage setting.

The unit is also designed for easy mobility with casters and side handles, allowing it to be moved around without hassle. Installation is straightforward thanks to the included window kit, and the large vented airflow outlet helps distribute cool air effectively. One potential drawback is the relatively lower energy efficiency, which might lead to higher electricity usage over time. However, its multifunctionality and ease of use make it a practical choice for those needing a portable air conditioning solution in their garage.

The DOMANKI 14,000 BTU Portable Air Conditioner is a robust option for cooling spaces up to 700 square feet, making it suitable for larger garages. It boasts an efficient cooling capacity, with 14,000 BTU (ASHRAE) and 10,000 BTU (SACC) ensuring fast and consistent cooling. The unit is ETL certified and uses R32 refrigerant, which is more environmentally friendly. The air conditioner operates within a temperature range of 61°F-88°F, ideal for most garage settings.

Noise levels are kept relatively low at 52dB, and even quieter in sleep mode (<48dB), which is great for maintaining a peaceful environment while working in the garage. Its compact size and casters make it easy to move around, despite its weight of 73.8 pounds. Installation is straightforward with the included kit for vertical and horizontal sliding windows. The unit offers multiple smart functions, such as auto swing, timer, sleep mode, child lock, and various fan speeds, making it user-friendly.

A digital display and remote control with a 28 ft range add convenience, especially for seniors. However, the ventilation requirements necessitate a proper setup to ensure efficient operation. Additional features like dehumidification and air purification are beneficial for maintaining air quality in the garage. Despite its many strengths, the weight and need for proper ventilation might be a drawback for some users. This portable air conditioner stands out as a reliable and efficient choice for cooling large garage spaces.