10 Best 12000 BTU AC Window Units 2025 in the United States

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit offers 12,000 BTUs of cooling power, making it suitable for large rooms up to 550 square feet. Its multi-season functionality is a standout, providing both cooling and supplemental heat, though the heat pump function does not work below 41°F. This unit is energy-efficient with a Seasonal Energy Efficiency Ratio (SEER) of 13.3 and is Energy Star certified, promising up to 35% energy savings.

The noise level is notably low at 58 dB, which allows for quiet operation, perfect for bedrooms or home offices. Installation is straightforward for double-hung windows with specific dimensions, and the unit comes with a complete installation kit, remote control, and user manual. The LED display and multiple control options, including a SmartHome App and voice control via Alexa and Google Assistant, add convenience.

At 58 pounds, it is relatively heavy and may require assistance for installation. The washable filter is easily accessible, aiding in maintenance. Potential buyers should be aware of its weight and the limitation of the heat pump function in colder temperatures.

The Midea MAW12V1QWT is a 12,000 BTU window air conditioner designed for cooling spaces up to about 550 square feet. Its standout feature is the unique U-shaped design that allows your window to stay partially open, helping with fresh air and preserving your view. This design also cleverly blocks outside noise, resulting in a very quiet operation at just 32 decibels—much quieter than many traditional window units.

Energy efficiency is a strong point here, thanks to advanced DC inverter technology that saves over 35% energy compared to similar models and has earned an ENERGY STAR certification. The unit has a good Seasonal Energy Efficiency Ratio (SEER) of 15, making it cost-effective to run. A 5-star BEE rating further confirms its energy savings. Installation is user-friendly with a quick-snap bracket system suitable for single or double-hung windows between 22 and 36 inches wide. At about 59 pounds, it’s moderately heavy, so having help during installation is a good idea. The unit includes a dust filter and dehumidifier function, improving air quality and comfort.

Smart features add convenience: Wi-Fi capability allows you to control the AC remotely via an app, and it works with Alexa and Google Assistant for voice control. It also has an electronic control panel and a clean filter indicator for easy maintenance. The unit requires a standard 115-volt outlet and uses a corded power source, which may limit placement options. Its plastic build is typical but might not be as durable as metal alternatives. This AC is a solid choice for anyone looking for a quiet, energy-saving, and smart-controlled window unit, especially if you appreciate an innovative design that blends functionality with fresh air and noise reduction.

The LG 12,000 BTU Window Air Conditioner is designed to cool spaces up to 550 square feet, making it suitable for medium-sized rooms like bedrooms, living rooms, and apartments. With a BTU rating of 12,000, it's powerful enough to maintain comfortable temperatures in these areas.

One of its standout features is the low noise performance, operating at just 52 dB at low mode, ensuring it won't disrupt your sleep or daily activities. The unit also offers multiple fan speeds and an auto-cool feature, allowing you to customize your cooling preferences easily.

The digital control panel and remote control enhance usability, along with the 24-hour timer for energy savings. The inclusion of a filter light reminder, window installation kit, and a slide-out, washable filter simplifies maintenance. However, it should be noted that the unit does not have an Energy Star rating, which may impact its energy efficiency. The SEER rating of 13 is decent but not exceptional.