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

The Frigidaire 12,000 BTU Window Air Conditioner is designed to cool rooms up to 550 square feet, making it suitable for medium to large spaces like living rooms or larger bedrooms. It offers customizable cooling with six-way directional airflow and three fan speeds, allowing you to adjust comfort easily. The remote control and filter light reminder simplify use and maintenance, helping keep the unit running efficiently. Noise is relatively low at 57 dB, which is fairly quiet for its size, so it won't be too distracting during use.

Energy efficiency is decent with an EER of 10.9, and the Eco and Sleep modes help reduce power consumption, although it doesn't have an Energy Star rating, so it might not be the most cost-saving model over time. Installation is straightforward since it fits standard windows and includes a window kit. The washable dust filter is a plus for easy upkeep, but the unit weighs around 63.5 pounds, so installation might require some help. Its dimensions are typical for a 12,000 BTU unit, so ensuring your window can accommodate it is important.

The additional features like a 24-hour timer and dry mode add convenience and comfort, especially in humid conditions. The one-year warranty is standard, giving basic protection. This Frigidaire model is a solid choice if you want reliable, fairly quiet cooling with useful features, though it may not be the best pick if you prioritize top-tier energy savings.

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.