10 Best Room Air Conditioning Units 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile unit that cools, heats, dehumidifies, and fans rooms up to 700 square feet. It offers a strong cooling capacity of 14,000 BTU (ASHRAE rating) and heating power of 10,000 BTU, making it useful year-round. Although it lacks Energy Star certification and has a moderate SEER rating of 6.2, it balances performance with convenience. The noise level is around 54 dB, which is noticeable but not overly loud for most indoor spaces.

A standout feature is its smart connectivity: you can control it via a mobile app or voice commands through Alexa and Google Assistant, adding modern ease to managing room temperature. The included remote control has a handy 'Follow Me' function that uses the remote as a thermostat, ensuring more precise comfort where you are. It also comes with a complete installation kit, making setup straightforward without professional help.

The unit is relatively heavy (60 pounds) and somewhat bulky, which may limit how easily you can move it between rooms. The water tank capacity is 0.8 liters, meaning you might need to empty it frequently during heavy dehumidification. While the energy efficiency isn’t top-tier, this product suits those needing a flexible all-in-one portable solution with smart features for medium-sized rooms. It’s particularly good for users who want both cooling and heating in one device without complex installation.

The BLACK+DECKER Smart Portable Air Conditioner is designed for rooms up to 700 square feet, offering a solid cooling capacity of 14,000 BTU (ASHRAE rating). It’s a versatile three-in-one unit that cools, dehumidifies, and fans, which is great for maintaining comfortable indoor air quality during hot and humid days. The energy efficiency ratio (SEER) is 6.2, which is average—meaning it may not be the most energy-saving option but should keep electricity costs reasonable. Noise level sits at 54 dB, which is moderate; it won’t be completely silent but should be quiet enough for bedrooms or living rooms without too much distraction.

The unit is portable, easy to set up with the included window installation kit, and doesn’t require assembly, making it convenient for renters or those who want flexibility in placement. A standout feature is the smart connectivity: you can control it via a smartphone app or voice commands through Alexa and Google Assistant, which adds modern convenience. The included remote has a “Follow Me” mode that uses the remote as a thermostat, improving temperature accuracy near you. The air filter is washable, helping reduce ongoing costs and maintenance effort.

The 1-year warranty is relatively short, and while the unit covers a decent area, it might be less efficient or quieter compared to some premium models. Also, the energy efficiency is not exceptional, so heavier users might notice higher power consumption. This air conditioner represents a practical choice if you want a flexible, portable cooling solution with smart features and decent performance for medium-sized rooms.

The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile unit designed to cool, heat, dehumidify, and circulate air in rooms up to about 550 square feet. With 12,000 BTU of cooling power and 9,000 BTU heating, it covers most medium-sized rooms comfortably. It’s portable and easy to move around thanks to its compact size and wheels. One of its standout features is the smart control options, including Wi-Fi connectivity and voice commands through Alexa or Google Assistant, which makes adjusting the temperature very convenient. The Follow Me remote acts as a thermostat, allowing precise temperature control wherever you place it.

Its energy efficiency ratio (SEER) is 5.8, which is on the lower side compared to more energy-efficient models, and it does not have an Energy Star rating. Noise level is about 52 decibels, which is noticeable but typical for portable ACs and should be fine for most living spaces or bedrooms. It includes a decent air filter and a dehumidification function, which helps reduce moisture in the air, improving comfort in humid conditions. Installation is straightforward with the included window kit and exhaust hose.

The unit weighs around 58 pounds, so while portable, it might need some effort to move frequently. The 1-year warranty is standard but might feel short compared to some competitors. This AC serves as a solid choice if you want a multi-functional, smart portable unit that works year-round, although those prioritizing energy efficiency or very quiet operation might find more specialized options better suited to their needs.