10 Best Air Conditioners Air Conditioners 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile unit designed for rooms up to 700 sq. ft. Its cooling capacity is notable at 14,000 BTU ASHRAE (10,000 BTU DOE), making it suitable for large spaces. Additionally, it offers 12,000 BTU heating, which is great for year-round use. The unit stands out with its four-in-one functionality: air conditioning, heating, dehumidifying, and fan modes.

The Energy Efficiency Ratio (EER) is relatively low at 6.2, suggesting that it may not be the most energy-efficient option available. This could lead to higher electricity bills over time, particularly with regular use. Noise levels are at a moderate 54 dB, which is comparable to a quiet conversation; this should be manageable for most users, but noise-sensitive individuals may want to take note. The portability of this unit is a significant advantage, allowing users to move it easily between rooms.

The smart features, including Wi-Fi connectivity and compatibility with Amazon Alexa and Google Assistant, offer convenient control options. The 'Follow Me' remote control enhances user experience by allowing precise temperature settings. An included installation kit simplifies the setup process, making it user-friendly. Weighing 35 pounds, it is reasonably easy to handle but might require some effort to move frequently. This BLACK+DECKER model is best suited for those looking for a multi-functional, portable air conditioning solution with smart features and who are less concerned about energy efficiency.

The LG 8,000 BTU window air conditioner is a solid choice for cooling medium-sized rooms up to about 350 square feet, such as bedrooms or small living rooms. Its cooling capacity suits these spaces well, and it offers three adjustable fan speeds that allow you to control the amount of cool air. While it does not have the highest energy efficiency rating (SEER 13) and is not Energy Star certified, it still provides reliable cooling for typical home use.

In terms of noise, it operates relatively quietly at 53 decibels on the low setting, so it should not disturb sleep or work. The window design allows for straightforward installation, and the unit includes convenient features like a remote control, a washable filter, and an auto-restart function that powers the AC back on after a power outage. The energy efficiency rating may lead to slightly higher electricity bills compared to more efficient models.

Though the noise level is low for this type of air conditioner, it might still be noticeable in very quiet rooms. This LG model is a no-fuss, easy-to-use window air conditioner with decent cooling power and useful features. It works particularly well for bedrooms or apartments where space and quiet operation matter, but if energy efficiency is a priority, other models might be better suited.

The Whynter Portable Air Conditioner ARC-14S offers strong cooling power with 14,000 BTU, making it suitable for rooms up to 500 square feet. Its dual-hose design helps cool more efficiently by pulling in and exhausting air separately, which is an advantage compared to some single-hose models. It operates quietly at 51 dB, so it won't be too noisy for bedroom or office use. The built-in dehumidifier is another useful feature, capable of removing up to 71 pints of moisture per day, enhancing comfort in humid climates.

This unit provides three modes—cool, dehumidify, and fan—with adjustable speeds and a thermostat for better temperature control. The energy efficiency ratio (EER) is about 7.69, which is moderate and the unit is not Energy Star certified, so it may consume more power than some newer models designed for better energy savings. The portable AC is fairly large and weighs 73 pounds, meaning it may require some effort to move and set up.

Installation involves venting the exhaust through a window using the included kit, which requires a compatible window size. This portable AC offers powerful cooling and dehumidifying capabilities for medium-sized rooms with low noise levels, though energy costs might be higher compared to more efficient units.