10 Best Small Portable Air Conditioners 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner is a versatile unit suitable for rooms up to 700 sq. ft., making it a great choice for medium-sized spaces. With a cooling capacity of 14,000 BTU ASHRAE (10,000 BTU DOE), it offers robust cooling, which is essential during hot summer months.

Its energy efficiency ratio (SEER) of 6.2 is reasonable, though not the highest, indicating moderate efficiency in power usage. The noise level of 54 dB is relatively quiet for a portable unit, making it suitable for bedrooms or living areas where low noise is important.

Portability is a strong point, with dimensions of 16.5” x 14.06” x 27.09” and a weight of 62.4 pounds, which is manageable for most users.

The SereneLife Small Portable Air Conditioner is a compact and efficient unit suitable for cooling rooms up to 450 sq ft. With a cooling capacity of 10,000 BTU, it can effectively lower the temperature in medium-sized spaces, making it ideal for bedrooms, small offices, or living rooms. The unit also boasts a dehumidification function, which helps to maintain a comfortable humidity level, and a fan mode for simply circulating air.

It runs at a relatively quiet noise level of 52-57 dB, which is comparable to a normal conversation, making it a good choice for those sensitive to noise. However, the SEER rating of 10.5 indicates that it's not the most energy-efficient model on the market. Portability is a strong suit with its smooth wheels and side handles, allowing easy movement between rooms, although its weight of around 55 pounds might be a bit cumbersome for some users.

The digital touch control panel and included remote offer user-friendly operation, with options to adjust the temperature, fan speed, and mode settings. Maintenance is straightforward thanks to the removable and washable double-layer filter, which helps to keep the air clean. The included window mount exhaust kit simplifies installation. For users looking for a versatile and portable cooling solution, the SereneLife Portable Air Conditioner offers a blend of cooling, dehumidifying, and fan functions with easy control options, though it may not be the best choice for those prioritizing energy efficiency.

The SereneLife Small Air Conditioner Portable 10,000 BTU is a convenient and versatile unit for cooling rooms up to 450 square feet. Its 10,000 BTU cooling capacity and 9,000 BTU heating capacity make it suitable for year-round use, while the built-in dehumidifier helps manage humidity levels effectively. Users will appreciate the portability features, including a sleek design and rolling wheels, making it easy to move the unit from room to room.

The included remote control and digital touch button control panel offer user-friendly operation with multiple modes such as cooling, heating, dehumidifier, and fan. Additionally, the automatic swing mode ensures optimal air circulation throughout the room. With a noise level ranging from 52-56 dB, it operates relatively quietly, though it may still be noticeable in very quiet environments.

Energy efficiency is reasonable, though not explicitly stated, and the unit uses the R-32 refrigerant, which is more environmentally friendly. Maintenance requirements are minimal, with no batteries needed and a straightforward assembly process. However, the unit's weight of 56.5 pounds may be a bit cumbersome for some users to handle frequently. The included window mount exhaust kit simplifies installation, making this a solid choice for those needing a portable air conditioning solution with added functionalities such as heating and dehumidification.