10 Best Air Conditioners 2026 in the United States

The Midea 8,000 BTU Smart Inverter Window Air Conditioner is a solid choice for cooling and heating rooms up to 350 square feet. Its inverter technology helps it cool efficiently while using less energy, which is supported by its Energy Star rating and a high SEER of 14.5. This means it can save you money on electricity compared to standard units. It’s also quieter than many air conditioners, operating at about 45 decibels, so it won’t disturb your work, TV time, or sleep. The unit includes multiple modes like heat, cool, dry, fan, and auto, plus three fan speeds, making it adaptable to different comfort needs. You can control it via LED panel, remote, smartphone app, or even voice commands through Alexa or Google Assistant, which adds convenience.

The built-in heat pump is a nice bonus for cooler months but works best when outdoor temperatures are above 41°F. Installation fits standard double-hung windows with specific size requirements, so measuring your window beforehand is important. The heating function’s limitation in colder climates might restrict its usefulness year-round if you live somewhere very cold. Also, while energy efficient, its 8,000 BTU capacity is best suited for medium-sized rooms rather than larger spaces. The washable filter is easy to maintain, but the unit’s weight (56 pounds) might require two people for installation. If you want a versatile, quiet, and energy-saving window air conditioner that also heats, this Midea model covers those bases well.

The Midea MAW12V1QWT U-Shaped Window Air Conditioner offers efficient cooling with smart features, delivering 12,000 BTUs suitable for rooms around 550 square feet, making it ideal for medium-sized living spaces. Its standout feature is the very quiet operation at just 32 dB, which is significantly quieter than many traditional window units. This is achieved through its innovative U-shaped design that fits into the window while blocking outside noise. This design also allows you to keep your window partially open for fresh air and a better view.

This unit uses environmentally friendly R-32 refrigerant and is energy efficient, boasting a high SEER rating of 15 and a 5-star BEE rating. These features help reduce electricity bills by over 35% compared to older models. Additionally, smart connectivity allows control via a smartphone app or voice commands through Alexa and Google Assistant, adding convenience for smart home users. Installation is straightforward with the included bracket, fitting most standard windows, and the unit includes helpful features such as a dehumidifier, dust filter, and fast cooling mode.

While the noise level is low, the unit weighs nearly 59 pounds, so installation might require assistance. It requires a standard 115V power source and comes with a remote control with batteries included. This air conditioner is an excellent choice for those seeking a quiet, energy-saving, and smart-controlled cooling option for a medium-sized room, featuring a modern design that allows for a more open window than usual.

The LG 24,500 BTU Smart Window Air Conditioner is a strong option for cooling large rooms up to about 1,560 square feet, making it suitable for spacious bedrooms, living rooms, or small apartments. Its high cooling capacity means it can handle bigger spaces better than many smaller units. The unit is equipped with LG ThinQ technology, allowing you to control it remotely via your smartphone, and it works with voice assistants like Amazon Alexa and Google Assistant, which is convenient if you want smart home integration. It offers 3 fan speeds and a 24-hour timer, giving you flexibility to customize cooling and save energy when it's not needed.

Noise levels are generally reasonable, around 61 dB, which is about as loud as a normal conversation; the lowest mode can run quieter at 50 dB, so it won't be too disruptive during sleep or work. While the Seasonal Energy Efficiency Ratio (SEER) is 10.3, which is decent but not top-tier, this means it balances performance with energy use moderately well but might not be the best choice if you want to minimize electricity bills aggressively. The window installation kit and remote control come included, making setup straightforward. A minor downside is its size and weight (132 pounds), so installation may require some help.

It also includes helpful features such as a filter reminder light and automatic restart after power failures, adding convenience. This model serves well as a smart window AC for those needing powerful cooling with modern controls, but if noise sensitivity or the absolute best energy efficiency is your priority, you might want to explore other options.