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 BLACK+DECKER Portable Air Conditioner, with 10,000 BTU ASHRAE (6,300 BTU DOE), is a versatile unit suitable for cooling rooms up to 450 square feet. Its size (15.3” x 14” x 24.8”) and portability, aided by casters and side handles, make it easy to move around.

The unit operates quietly at 52 dB, which is relatively low compared to other models, making it a good choice for bedrooms or workspaces where noise might be a concern. The air conditioner also doubles as a dehumidifier and fan, providing additional utility. Energy efficiency is average with a SEER of 6.7, which may result in higher energy consumption compared to more efficient models.

The Follow Me Remote feature allows precise temperature control by using the remote as a thermostat. An easy-to-install window kit is included for convenient setup. However, the capacity of 0.45 liters for dehumidification might be low for very humid environments. This unit is ideal for someone looking for a moderately powerful, quiet, and portable AC unit with added dehumidifier and fan functions.

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.