5 Best Slim Window Air Conditioners 2025 in the United States

The Midea MAW06R1CWT EasyCool 6,000 BTU Window Air Conditioner is a solid choice for those seeking a slim window air conditioner. With a cooling capacity of 6,000 BTUs, it can effectively cool spaces up to 250 sq. ft., making it suitable for small to medium-sized rooms. The unit also features a dehumidifier mode and a 3-speed fan, offering versatile air treatment options. Its Energy Efficiency Ratio (EER) of 12.1 is decent, contributing to energy savings, although it is not Energy Star certified.

The Eco mode and EasyTimer feature further enhance its energy efficiency by allowing users to set a customized schedule. Noise levels are relatively low at 52 dB, ensuring a quieter operation that won't disrupt daily activities. Installation is straightforward with the included window bracket and accessories, fitting window frames between 23 and 36 inches wide and at least 14 inches high. However, a screwdriver is required for installation, and pilot holes might be necessary for certain window frames.

The unit's compact dimensions (13.1 x 15.98 x 12 inches) and manageable weight (38.2 pounds) make it easy to handle and install. Additional features include a reusable air filter, an intuitive LED display, and a remote control for convenient operation from across the room. The lack of Energy Star certification might be a drawback for those prioritizing top-tier energy efficiency. The Midea MAW06R1CWT EasyCool is a versatile, energy-efficient, and user-friendly window air conditioner that would benefit individuals looking for an effective cooling solution for smaller spaces.

The Midea 8,000 BTU U-Shaped Smart Inverter Window Air Conditioner is designed with a unique U-shape that allows you to open your window even when the unit is installed, bringing in fresh air and maintaining your view. This model is especially quiet, operating at noise levels as low as 32 dB, making it 9 times quieter than traditional units. It also boasts significant energy savings with over 35% efficiency compared to other models, recognized by the ENERGY STAR Most Efficient Certification.

The cooling capacity of 8,000 BTUs is suitable for spaces up to 350 square feet, making it an excellent choice for smaller rooms or apartments. Smart features include Wi-Fi connectivity, allowing control via the MSmartHome app and compatibility with Alexa and Google Assistant. This flexibility makes it convenient for modern smart homes. Additionally, the built-in MShield Air Ionizer Technology helps to eliminate odors, smoke, and gases, enhancing indoor air quality.

On the downside, the unit weighs 53.1 pounds, which might make installation a bit challenging for some users. The product dimensions are relatively compact, but it's important to ensure that your window can accommodate the unit. The inclusion of a remote control and a dust filter adds to the ease of use. This air conditioner offers a blend of efficiency, quiet operation, and smart home compatibility, ideal for those looking to cool a smaller space while maintaining energy efficiency and low noise levels.

The Danby DAC100B8IWDB-6 Window Air Conditioner is a solid option for cooling small to medium-sized rooms, with its 10,000 BTUs capacity being suitable for spaces up to 350 square feet. Its use of R32 refrigerant makes it more environmentally friendly compared to older models using R410a. Energy efficiency is a strong point, thanks to the inverter compressor technology which offers up to 35% energy savings and its ENERGY STAR rating. The Seasonal Energy Efficiency Ratio (SEER) of 10.68 further highlights its efficiency.

Noise levels are impressively low, operating as quiet as 40dB due to the Silencer Technology, making it a quieter option than many traditional units. However, there is a discrepancy in the noise level provided in the detailed specs (61 dB), which could be a point of confusion. The unit's dimensions (22.99 x 19.45 x 13.9 inches) and weight (56.2 pounds) suggest it is relatively compact and should fit well in most window spaces, though its weight could make installation somewhat challenging without assistance.

Additional features such as the dehumidifier mode, wireless connectivity, electronic controls with an LED display, and a remote control add convenience. The auto-restart function is useful in case of power failures. On the downside, while the product includes a 24-month warranty for parts and labor, it does not cover installation or yearly maintenance. Customer reviews are generally positive, with an average rating of 4.4 out of 5 stars. This air conditioner is a good fit for those looking for an energy-efficient and quiet solution with modern features for small to medium-sized rooms. However, potential buyers should be aware of the possible discrepancy in the noise level specification.