10 Best Window Air Conditioners 2025 in the United States

The Midea 12,000 BTU Smart Inverter Air Conditioner is a solid choice for cooling (and heating) rooms up to 550 square feet, making it suitable for larger bedrooms or living areas. Its inverter technology helps save energy by running efficiently and quietly compared to many standard units. With an Energy Star rating and a cooling efficiency ratio (SEER) of 13.3, it offers noticeable savings on electricity bills. Noise levels are quite low for an air conditioner, so it won't disturb conversations or sleep, operating around 45 to 58 dB depending on settings.

Installation fits most double-hung windows with specific size requirements, and the unit comes with all necessary mounting kits and a remote control for easy use. A key highlight is the multi-season functionality—it includes heating and dehumidifying modes, which extend its usefulness beyond summer. Smart features like app and voice control add convenience if you want to adjust settings remotely. One limitation is that the heat function may not work well in very cold weather (below 41°F outside). Also, while it’s quieter than many models, some users might still notice noise at higher speeds.

The unit is reasonably compact but quite heavy, so installation might require some assistance. This Midea model provides a good balance of power, energy savings, and quiet operation with modern features that cater to year-round comfort.

The Midea MAW08HV1CWT EasyCool Smart Inverter Air Conditioner is a versatile window unit that offers both cooling and heating, making it suitable for use year-round. With 8,000 BTUs, it is effective for rooms up to 350 square feet, providing powerful cooling in the summer and supplemental heat in the fall. It's important to note that the heating function works best when the outdoor temperature is above 41°F.

The unit is energy-efficient, featuring variable-speed inverter technology which helps to save up to 35% on energy costs compared to standard units, earning it an Energy Star certification. The noise level is impressively low at 45 dBA, ensuring minimal disruption whether you're working, watching TV, or sleeping.

The dimensions of the unit are 22.17 x 19.41 x 13.9 inches, and it fits windows with widths between 24 to 38.5 inches, requiring a vertical opening of 14.5 inches for installation. This air conditioner also comes with a WiFi feature, allowing control from the SmartHome App or via voice commands with Alexa and Google Assistant. The LED display, multiple modes, and speed settings make it user-friendly, and the washable filter is easily accessible for maintenance. However, the unit weighs 56 pounds, which might be a bit heavy for some users to handle during installation. Additionally, while the heating function adds value, it might not be sufficient as a primary heat source during very cold conditions. This Midea air conditioner is best suited for those looking for a multipurpose unit that is quiet, efficient, and easy to control via smart technology.

The Frigidaire FHWC103TC1 Window Air Conditioner has a cooling capacity of 10,000 BTUs, which makes it suitable for cooling a room of up to 450 square feet. This is ideal for medium-sized rooms or small apartments. The unit has a Seasonal Energy Efficiency Ratio (SEER) of 10.9, indicating moderate energy efficiency. However, it does not have an Energy Star certification, which implies it may not be the most efficient model available for those looking to save on energy costs.

The noise level is 54 dB, which is relatively quiet for its category, ensuring a comfortable environment without excessive noise disturbance. The dimensions of 21.4 x 18.9 x 14.6 inches and weight of 57.8 pounds should make it manageable for most window installations, though it might require some assistance due to its weight. Installation is facilitated by the included window kit.

Additional features like remote control, filter light reminder, and washable dust filter enhance convenience and maintenance. While it lacks some high-end features, its multi-speed fan offers flexibility in cooling settings. The Frigidaire FHWC103TC1 is a solid choice for those seeking reliable cooling with basic features, though energy-conscious buyers might seek a more efficient model.