10 Best Quiet Ac Window Units 2026 in the United States

The LG 18,000 BTU Heat and Cool Window Air Conditioner is a solid choice for medium to large rooms up to 1,000 square feet. Its cooling capacity is strong, making it effective for maintaining comfortable temperatures in sizable spaces. The unit also doubles as a heater, which is great if you want year-round use from one device. With a noise level of about 57 decibels, it is reasonably quiet but might still be noticeable in very quiet environments, so if ultra-silent operation is a priority, this could be a minor drawback.

Energy-wise, it has a Seasonal Energy Efficiency Ratio (SEER) of 11.1, offering decent efficiency but not the top tier. This means it should keep energy costs moderate but may not be the most economical option long term. The size is fairly large (around 30.5 x 25.5 x 16.8 inches), so installation needs a suitable window and some space.

One of the standout features is the smart control system with WiFi, allowing remote operation through a phone or voice assistants like Alexa and Google Assistant. This adds convenience if you like controlling your AC from anywhere or setting schedules easily. Additional handy features include auto-restart after power outages and filter light reminders to help maintain the unit. This LG air conditioner is a versatile, smart-equipped unit that offers good cooling and heating for bigger rooms with moderate noise levels. It suits those looking for smart home integration and year-round climate control, though it may not be the quietest or most energy-efficient option in its class.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit offers both cooling and heating capabilities with a robust 12,000 BTU capacity, making it suitable for large rooms up to 550 square feet. One of its standout features is the ultra-low noise performance, operating as quietly as 45 dB, which makes it an excellent choice for bedrooms or home offices where low noise is crucial.

Energy efficiency is another strong point of this unit, boasting an impressive CEER of 13.3 and being Energy Star certified, which can help save up to 35% on energy costs compared to standard models. The built-in inverter technology ensures that it uses electricity efficiently, contributing to the cost savings and environmental benefits. Installation is straightforward for double-hung windows with the required dimensions and comes with an installation kit for convenience.

The unit's smart features, including WiFi connectivity, allow you to control it via a smartphone app, Alexa, or Google Assistant, adding a layer of convenience to its operation. However, it has some drawbacks. The heating function is limited and will not work if the outside temperature is below 41°F, which might be a concern for those in colder climates. Additionally, while the noise level at its quietest is very low, the maximum noise level can reach up to 58 dB, which may still be noticeable in some settings. The unit is relatively heavy at 58 pounds, which might make installation a bit challenging for some users. Despite these minor drawbacks, this Midea unit excels in providing year-round comfort, energy efficiency, and smart home integration, making it a strong candidate for those looking for a multi-functional and quiet window AC unit.

The Midea MAW12V1QWT stands out as a quiet and energy-efficient window air conditioner, making it a strong choice for anyone needing cooling in spaces up to about 550 square feet. Its unique U-shaped design not only helps reduce noise significantly, operating as quietly as 32 dB (which is much lower than typical window AC units), but also allows you to keep your window open for fresh air and a better outside view. This design also comes with an anti-theft lock feature for added security.

With a cooling capacity of 12,000 BTU, this unit is suitable for medium-sized rooms like living rooms or offices. Thanks to its advanced DC inverter technology and R32 refrigerant, it offers over 35% energy savings compared to traditional models and holds an ENERGY STAR certification, which means lower electricity bills and a greener operation. Installation is made straightforward with the included quick-snap bracket, fitting most single or double-hung windows 22 to 36 inches wide and at least 13.75 inches high. The product includes convenient features like remote control, a dust filter, a dehumidifier function, and fast cooling.

The unit weighs around 59 pounds, which might make installation tricky without help. Also, while the noise level is low during operation, some users might find occasional inverter hum. It requires a standard 115V power outlet and uses zinc carbon batteries for the remote, which may need occasional replacement. If you want a quiet, energy-efficient window AC with smart controls and flexible installation for medium-sized rooms, the Midea MAW12V1QWT is worth considering. Just ensure your window size fits and be prepared for moderate installation effort.