10 Best Smallest Portable Ac Units 2026 in the United States

The BLACK+DECKER Smart Portable Air Conditioner offers a solid 12,000 BTU cooling capacity, making it suitable for rooms up to 550 square feet. This makes it a good choice for larger bedrooms, apartments, or small living rooms. While it’s not the smallest unit available, its dimensions (about 14 x 17 x 29 inches) and weight (55 pounds) are reasonable for a portable AC with this power level, though it may be a bit heavy for frequent moving. One notable strength is the inverter compressor, which adjusts cooling speed to maintain temperature efficiently, helping to save energy compared to traditional compressors. The unit has a Seasonal Energy Efficiency Ratio (SEER) of 11.0, which is decent but not exceptional for energy-conscious users. Noise level is moderate at 52 decibels — you’ll hear it running, but it’s unlikely to be overly disruptive.

Installation is straightforward with the included window kit and exhaust hose, fitting most double-hung or sliding windows. This model also adds convenience with smart Wi-Fi connectivity, allowing you to control it via a smartphone app, a feature not always found in portable ACs. Additionally, it functions as a dehumidifier and fan, giving you more flexibility in managing indoor air comfort. However, it doesn’t have a BEE star rating, so if you prioritize certified energy efficiency, there might be better options. Its 0.45-liter capacity means it collects a modest amount of moisture before needing to be emptied, which is typical for portable units. The 1-year warranty is industry standard but somewhat limited.

Considering these features, this BLACK+DECKER unit is a strong pick for someone needing a reliable, smart-enabled portable AC that cools larger rooms efficiently, though it’s not the smallest or quietest option on the market.

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 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.