10 Best Ultra Quiet Air Conditioners 2025 in the United States

The Dreo Portable Air Conditioner offers a strong cooling capacity of 12,000 BTU, making it suitable for rooms up to about 300 square feet, which fits well for bedrooms or small living areas. One of its standout features is its quiet operation at 46 dB, which is relatively low noise for an AC and ideal for maintaining a peaceful environment during sleep or work. It supports multiple modes—including cooling, fan, and dehumidifier—giving you flexible control over comfort.

The energy efficiency ratio (SEER) of 6.1 is moderate; it’s not the most efficient model but reasonable for a portable AC of this size. You can control it conveniently through voice commands with Alexa or Google Assistant, a mobile app, or a remote, adding to its user-friendly appeal. Installation is simplified with universal window kits, suitable for a range of window sizes, so you don’t need to worry about compatibility or complicated setup. The unit consumes between 1150 to 1450 watts, which may affect electricity bills if used extensively.

The drainage-free cooling feature under 85% humidity reduces maintenance efforts but may still require occasional water management in very humid environments. This AC is a solid choice if you want a quiet, powerful, and smart portable air conditioner that is easy to install and operate, especially for bedroom use.

The Profile PHNT10CC GE ClearView window air conditioner is designed for those prioritizing ultra-quiet operation, boasting a remarkably low noise level of 40 dB. This makes it an excellent choice for medium rooms where peace and quiet are important, such as bedrooms in homes or small office spaces. With a cooling capacity of 10,300 BTU, it's well-suited for spaces up to 450 square feet, providing efficient cooling with its advanced inverter technology. This technology not only reduces noise but also enhances the unit's energy efficiency, evidenced by its Energy Star certification and an 11.2 SEER rating, which can help save on electricity bills.

The inclusion of a full window view design is a unique feature, allowing more natural light into the room and maintaining the ability to open or close the window easily after installation. This is coupled with a flex-depth installation capability, making it adaptable to various window depths, promising a secure fit without compromising your room's aesthetics.

Smart features like built-in Wi-Fi and compatibility with Amazon Alexa and Google Assistant add convenience, allowing control from your smartphone or voice commands, though this might be less appealing to those who prefer more traditional controls. The unit can also be operated using a remote control, providing flexibility in its operation. A potential drawback is the unit's size and weight, which may make installation a bit challenging for a single person. Nevertheless, for those seeking a quiet, energy-efficient window AC with smart capabilities, this GE model offers a compelling option.

The LG 10000 BTU Smart Wi-Fi Enabled Window Air Conditioner is designed for those who value quiet operation, with a noise level as low as 53 dB. This makes it a strong choice for bedrooms or offices where minimal noise is crucial. It effectively cools rooms up to 450 square feet and offers multiple fan speeds, allowing you to customize the airflow to your liking. The unit also features LG ThinQ technology, which enables remote control via a smartphone app or voice commands through Alexa and Google Assistant, adding convenience to its list of benefits.

The auto-restart function ensures that the unit will resume operation after a power outage, which is a useful feature for maintaining consistent comfort. Additionally, it comes with a washable filter, making maintenance relatively easy. The air conditioner uses eco-friendly R32 refrigerant, which is a plus for environmentally conscious users. However, it does not have an Energy Star rating, which might be a drawback for those particularly focused on energy efficiency.

At 57 pounds, it may also be a bit cumbersome to install without assistance. The SEER rating of 11.4 is decent but not the highest available. Priced competitively, this LG model is a practical option for those looking for a quiet, smart air conditioning solution, although those needing the utmost energy efficiency might look elsewhere.