10 Best Portable Air Coolers 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile option for those looking to cool or heat a room up to 700 sq. ft. Its 14,000 BTU ASHRAE (10,000 BTU DOE) cooling capacity and 12,000 BTU heating capacity make it suitable for year-round use.

One of its standout features is its smart functionality, allowing control via a mobile app or voice commands through Amazon Alexa or Google Assistant. The 'Follow Me' remote control feature enhances convenience by enabling precise temperature control from any part of the room where the remote is located. Additionally, the unit includes a dehumidifier and fan, making it a four-in-one appliance that can adapt to various needs throughout the year.

The Seasonal Energy Efficiency Ratio (SEER) of 6.2 suggests it may not be the most energy-efficient option available. The noise level of 54 dB is relatively moderate but may still be noticeable in quieter environments. Portability is a strong point, given its compact dimensions (16.5” x 14.06” x 27.09”) and a weight of 35 pounds, making it easy to move from room to room. An installation kit is included, simplifying setup. However, it lacks Energy Star certification, which might be a concern for eco-conscious users. This portable air cooler is best suited for those who need a multi-functional unit that can provide cooling, heating, and dehumidifying capabilities with the added convenience of smart controls.

The Hessaire MC18M portable swamp cooler offers solid cooling power with its 1300 CFM airflow, suitable for outdoor or large indoor spaces up to 500 square feet. Its 4.8-gallon water tank is fairly generous, allowing a few hours of continuous cooling before needing a refill. It uses energy efficiently at 82 watts, which helps reduce electricity costs compared to traditional air conditioners. Noise is moderate at about 53 dB—comparable to a quiet conversation—which makes it fairly unobtrusive but might be noticeable in very quiet settings.

The cooler is designed for portability with wheels and a top handle, weighing 16 pounds, making it easier to move around despite its size. The body is made from lightweight ABS resin, which balances durability with lightness. The two-speed fan control and a patented axial propeller improve air throw distance, enhancing comfort in larger areas. As an evaporative cooler, it works best in dry climates and outdoors, as it adds moisture to the air rather than lowering temperature like a refrigeration-based air conditioner.

Maintenance is simple but requires regular water refilling and occasional drying before storage. For those living in hot, dry areas and needing an energy-friendly, portable cooler mainly for outdoor or well-ventilated spaces, the Hessaire MC18M serves as a practical choice. It may not perform well in humid environments or sealed indoor rooms.

The Uthfy 41" Swamp Cooler is a strong choice if you're looking for a portable air cooler that can refresh large spaces, up to about 1200 square feet. Its cooling power is impressive, delivering 4800 cubic feet per minute (CFM) of airflow, which means it can cool down areas like garages, patios, or yards effectively. The 10.6-gallon water tank is quite large, allowing the unit to run for many hours without needing a refill, and the option to connect a garden hose for automatic water filling adds convenience if you plan to use it frequently outdoors.

This cooler uses evaporative cooling with a 3-sided cooling pad and includes three ice packs to enhance the cooling effect, making it more energy-efficient compared to traditional portable air conditioners. It has three speed settings and 110° oscillation to spread cool air evenly. Noise levels are relatively low at about 45 dB, so it won't be too disruptive for casual use. Portability is well-thought-out here, with built-in 360° caster wheels—two with brakes—to move it easily around your space. The metal body with powder coating improves durability against outdoor elements and makes cleaning easier. Plus, the copper motor is designed for quiet, efficient operation and longer life.

Keep in mind that as an evaporative cooler, it works best in dry climates rather than humid ones. It requires regular water refills and maintenance of the cooling pads. At 44 pounds, it’s portable but not ultra-lightweight, so consider this if you'll be moving it often. The Uthfy 41" Swamp Cooler delivers powerful, energy-efficient cooling with useful features for outdoor or large indoor spaces, especially in dry conditions, but it needs water supply access and routine upkeep to perform well.