10 Best Smallest Portable Ac Units 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner is a versatile option for cooling rooms up to 700 sq. ft. with its 14,000 BTU ASHRAE 128 (10,000 BTU DOE) cooling power. One of its key strengths is its portability, with dimensions of 16.5” x 14.06” x 27.09”, making it relatively easy to move between rooms.

It also features a 'Follow Me' remote, allowing for precise temperature control, and it’s equipped with Wi-Fi connectivity for smart control via mobile app or voice commands with Amazon Alexa or Google Assistant. This unit doubles as a dehumidifier and fan, offering useful versatility. It comes with an easy-to-install window kit, which simplifies setup.

On the downside, the unit has a Seasonal Energy Efficiency Ratio (SEER) of 6.2, which is relatively low, meaning it could be more energy-efficient. The noise level at 54 dB is moderate, so it might be noticeable in quieter settings. Weighing in at 62.4 pounds, it’s on the heavier side for portable units, which might make it less convenient to move frequently. Despite these drawbacks, its additional smart features make it a competitive choice for those looking to cool larger spaces efficiently.

The SereneLife Small Portable Air Conditioner offers a cooling capacity of 12,000 BTU, which is suitable for rooms up to 550 sq ft. This makes it quite powerful for its size and ideal for medium to large spaces. Its compact dimensions (13.4 x 17.4 x 32.1 inches) and weight (70.3 pounds) ensure it remains portable despite the higher cooling power, aided by the rolling wheels.

It is equipped with a built-in dehumidifier, which can remove up to 1.8 liters of moisture per hour, adding value by reducing humidity levels in the room, thus saving space and cost compared to separate units. The unit also features four operating modes: cooling, heating, dehumidifier, and fan, making it versatile for year-round use. The included remote control facilitates ease of use, allowing adjustments to power, temperature, and other settings conveniently.

The noise levels are moderate, ranging from 56 to 59 dBa, which might be noticeable but not overly disruptive. Energy efficiency is decent with a SEER of 15, although not the highest. The ventilation and exhaust are managed through the provided window mount kit, making installation straightforward. This unit is best suited for users needing a powerful, multi-functional portable AC with heating capabilities for medium to large rooms, offering a good balance of cooling, heating, and dehumidifying features in a portable form factor.

The SereneLife Small Air Conditioner Portable 14,000 BTU unit is a versatile cooling solution suitable for rooms up to 700 sq ft. One of its key strengths is the high cooling power, making it effective for larger rooms. Additionally, it serves multiple purposes with its 3-in-1 functionality, acting as an air conditioner, dehumidifier, and fan, which adds to its versatility.

The built-in 24-hour timer, auto-swing mode, remote control, and LED display with push button control panel contribute to user convenience. Its sleek, free-standing design makes it aesthetically pleasing for use in various settings such as offices, bedrooms, and living rooms. The unit operates at a relatively low noise level of 57 dBa, which is fairly quiet for a portable AC unit.

The package includes a window mount exhaust kit and a removable air filter, making the setup process straightforward and maintenance easy. The unit's size (32 inches in depth, 18.5 inches in width, and 15.4 inches in height) might make it less portable for some users, especially if space is a concern. Despite these minor drawbacks, the SereneLife Small Air Conditioner offers a good balance of performance, convenience, and design for those looking for a multi-functional portable cooling solution.