8 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 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.

The Midea 12,000 BTU U Shaped Smart Inverter Window Air Conditioner is designed to cool spaces up to 550 sq. ft. One of its standout features is the ultra-quiet operation due to its U-shaped design, which can reduce noise by up to nine times compared to traditional units. It boasts a noise level as low as 32 dBA, making it a great choice for those sensitive to noise. Energy efficiency is another strength, with a 35% energy saving over traditional units and an ENERGY STAR Most Efficient certification, which can help reduce electricity bills.

The unit's smart control capabilities allow for convenient operation via Wi-Fi, using the SmartHome app, or through voice commands with Alexa and Google Assistant. The flexible window opening design not only allows for fresh air but also includes an anti-theft mechanism for added security. Installation is made easy with a quick-snap bracket suitable for single-hung or double-hung windows between 22 to 36 inches wide and at least 13.75 inches high. However, the unit's weight of 58.9 pounds might make installation a bit challenging for some users.

While the product offers a range of additional features like a dust filter, fast cooling, and a dehumidifier, it is worth noting that the filter will need regular cleaning to maintain performance. The product has received positive reviews, with users generally rating it highly for performance and quiet operation. The Midea U Smart Inverter AC is a highly efficient, quiet, and user-friendly option for those needing a powerful cooling solution in a medium-sized room.