10 Best Air Conditioners For Rooms Without Windows 2025 in the United States

The BLACK+DECKER Portable Air Conditioner is a versatile unit ideal for rooms up to 400 sq. ft., making it suitable for bedrooms, small living spaces, or home offices. It has a cooling capacity of 9,000 BTU (ASHRAE) or 5,300 BTU (DOE), which should be sufficient for the specified area. The inclusion of a Follow Me remote control is a handy feature, allowing for more precise temperature control by acting as a thermostat.

This AC unit also functions as a dehumidifier and fan, adding to its versatility. The unit is portable, with casters and side handles making it easy to move between rooms. However, the installation kit is designed for windows, which might be a challenge for rooms without windows unless an alternative ventilation solution is found.

The noise level is 54 dB, which might be noticeable in quieter environments but is generally manageable. The energy efficiency ratio (EER) is not specified, but the SEER is 5.4, indicating moderate energy efficiency. Though it may not be the most energy-efficient option, it balances functionality and convenience. This air conditioner is a good option for those needing a portable and multi-functional unit, though users should be mindful of the ventilation requirements for rooms without windows.

The BLACK+DECKER Portable Air Conditioner is designed for rooms up to 450 sq. ft., making it suitable for medium-sized spaces. With a cooling capacity of 10,000 BTU (ASHRAE) and 6,300 BTU (DOE), it provides effective cooling. Its 3-in-1 functionality includes air conditioning, dehumidifying, and fan modes, offering versatile use. The 'Follow Me' remote control is a highlight, allowing precise temperature control by acting as a secondary thermostat.

Mobility is easy with casters and side handles, making it convenient to move the unit from room to room. The installation kit for the window is straightforward, though the air conditioner is also functional in rooms without traditional windows due to its portability. At 52 dB, the noise level is relatively moderate, suitable for most users.

The energy efficiency ratio (SEER) of 6.7 is lower than some other models, potentially leading to higher energy consumption. Additionally, while the unit is portable, it does require venting, which might need some creative solutions in rooms without windows. This air conditioner is a versatile and convenient choice for cooling, dehumidifying, and circulating air in various room setups.

The BLACK+DECKER Portable Air Conditioner is designed for rooms up to 550 sq. ft., making it suitable for medium-sized spaces. Its cooling capacity is strong, with 8,000 BTU DOE and 12,000 BTU ASHRAE ratings, providing ample cooling power. The unit also acts as a dehumidifier and fan, offering versatility. With a noise level of 52 dB, it operates relatively quietly, which is beneficial for maintaining a peaceful environment.

The 'Follow Me' remote control feature is a nice touch, allowing for precise temperature control based on the remote's location. It includes an easy-to-install window kit, suggesting adaptability for different setups even if less relevant for rooms without windows. Mobility is a strong point, thanks to the casters and side handles, making it easy to move the unit between rooms. However, the energy efficiency ratio (EER) is relatively low at 5.8, which may result in higher energy consumption over time.

Additionally, at 56.8 pounds, it is somewhat heavy, which might pose challenges during transportation for some users. The air conditioner uses environmentally friendly R410a refrigerant, which is a plus for those concerned about environmental impact. It comes with a 1-year limited warranty, providing some peace of mind for buyers. This portable air conditioner is ideal for those needing flexible cooling solutions in various rooms or areas without permanent fixtures.