8 Best Quiet Portable Air Conditioning Units 2025 in the United States

The BLACK+DECKER Portable Air Conditioner, with its 12,000 BTU (ASHRAE) / 8,000 BTU (DOE) cooling capacity, can effectively cool rooms up to 550 sq. ft. It offers a good balance of cooling performance and functionality. The unit operates at a noise level of 52 dB, which is relatively quiet, making it suitable for use in bedrooms or home offices where a low noise level is crucial. Its Energy Efficiency Ratio (EER) of 5.8 is modest, meaning it may not be the most energy-efficient option available, but it should still provide decent energy savings compared to older models.

The portability of this air conditioner is enhanced by its caster wheels and side handles, which make it easy to move from room to room. Additionally, the included window kit simplifies the installation process. The 'Follow Me' remote control feature is a significant convenience, as it enables more precise temperature control by allowing the remote to act as a thermostat. The unit also functions as a dehumidifier and fan, adding to its versatility. However, it has a relatively small water tank capacity of 0.8 liters, which might require frequent emptying in high humidity conditions.

The programmable timer feature allows users to set the unit to turn on or off at specific times, which can help save on energy costs. The BLACK+DECKER Portable Air Conditioner offers a range of useful features and solid performance, its energy efficiency might be a consideration for those looking for the most cost-effective operation. It is a well-rounded option for those needing a portable cooling solution for medium-sized rooms.

The Midea Duo 12,000 BTU portable air conditioner is designed to cool rooms up to 450 sq. ft. with a strong, efficient airflow thanks to its unique dual hose design that both intakes and exhausts air outdoors. This helps deliver faster and more balanced cooling while preventing warm air from leaking inside, which is a notable advantage over single hose models. It operates very quietly at just 42 dB, about the noise level of a quiet library, making it a good fit for bedrooms or home offices where low noise is important. The inverter technology improves energy efficiency, consuming roughly 40% less power than typical portable AC units, which saves on electricity bills.

It includes convenient features like a programmable remote control, compatibility with Alexa and Google Assistant for voice commands, and a smartphone app for easy adjustment from anywhere. While it does not prominently advertise a dedicated dehumidification function, the cooling process naturally reduces humidity in the room. On the portability side, the unit is somewhat bulky and weighs around 73 pounds, which means it might be challenging to move around frequently without help. It includes a dust filter for cleaner air but does not have a battery option, so it requires a standard power outlet.

If you prioritize quiet operation, smart controls, and efficient cooling in a mid-sized room, the Midea Duo is a solid choice, though its size and weight could limit how portable it feels compared to lighter models.

The Whynter Inverter Portable Air Conditioner stands out for its powerful 14,000 BTU cooling capacity, making it suitable for rooms up to 600 square feet. Its low noise level of 42.5 dB ensures it operates quietly, which is excellent for maintaining a peaceful environment. The inclusion of inverter technology enhances its energy efficiency, boasting a SEER of 12.3. This unit is highly portable with its compact dimensions and dual hose design, minimizing heat leakage and maximizing cooling efficiency.

Its smart control feature via Wi-Fi and compatibility with voice assistants like Alexa and Google Home add convenience, allowing you to control the unit remotely. Additionally, the built-in dehumidifier efficiently removes up to 87 pints of moisture per day, which is beneficial in humid climates. The programmable timer and remote control provide further ease of use, allowing you to set the unit to operate according to your schedule.

The power consumption of 1293W might be a consideration for those looking to minimize energy use. Despite this, the Whynter Inverter Portable Air Conditioner offers a comprehensive solution for those in need of quiet, efficient, and versatile cooling.