10 Best Room Air Conditioners 2025 in the United States

The Midea 12,000 BTU Smart Inverter Air Conditioner efficiently cools rooms up to 550 square feet, featuring inverter technology that helps reduce electricity costs with an Energy Star rating and a SEER of 13.3. It offers heating and dehumidifying functions, making it practical for multiple seasons, though the heating function is not effective below 41°F. The unit operates quietly at about 45 dB, making it suitable for bedrooms or workspaces.

Designed for standard double-hung windows with widths from 24 to 38.5 inches, the installation fits many common window sizes. It includes a washable front filter that is easy to access, which helps maintain air quality and performance. Smart features such as WiFi connectivity allow control via an app or voice assistants like Alexa and Google for added convenience.

The unit weighs 58 pounds, so installation might require assistance. With multiple modes and speeds, this Midea model offers versatile, energy-efficient cooling and supplemental heat, making it appropriate for medium to large rooms and users seeking convenient remote operation without complex setup.

The BLACK+DECKER Smart Portable Air Conditioner with Heat offers a versatile solution for year-round comfort. It boasts a cooling capacity of 14,000 BTU (ASHRAE) and 10,000 BTU (DOE), which is suitable for rooms up to 700 sq. ft. This makes it a solid choice if you need to cool a large space. Additionally, it provides 12,000 BTU heating, making it useful in winter as well. The unit features a 6.2 SEER rating, which is not very high, meaning it is not the most energy-efficient option available.

Its noise level is 54 dB, which is relatively moderate and should not be overly disruptive in most settings. As a portable unit, it offers flexibility in placement, which is convenient if you need to move it between rooms. Installation is simplified with the included window kit and vented airflow outlet. Smart features like Wi-Fi connectivity, mobile app control, and compatibility with Amazon Alexa and Google Assistant add a modern touch to this device, making it easy to control remotely.

The 'Follow Me' remote option, which uses the remote as a thermostat, allows for more precise temperature control. However, it is worth noting that this model is not Energy Star rated, which might be a consideration if energy efficiency is a priority for you. The unit also functions as a dehumidifier and fan, adding to its versatility. It is a well-rounded air conditioner with some notable smart features, though its energy efficiency could be better.

The Midea 12,000 BTU EasyCool Window Air Conditioner is designed to cool rooms ranging from approximately 350 to 550 square feet, making it suitable for medium-sized rooms, apartments, or offices. It features three modes: cooling, fan-only air circulation with three speeds, and a dehumidifier function that reduces moisture without cooling. The unit has an energy efficiency ratio (EER) indicated by its SEER of 12 and includes eco-friendly options like an Eco mode and a timer to help conserve electricity. Operating noise is about 55 decibels, quieter than a typical household refrigerator, so it is unlikely to be disruptive. Installation is straightforward for standard window sizes, with all mounting hardware included, requiring only a screwdriver. The reusable air filter traps dust and pet hair and is easy to clean and maintain.

The remote control provides added convenience, although the unit does not include advanced smart features such as Wi-Fi connectivity or app control for phone management. Customer feedback highlights its good performance and quiet operation. The one-year warranty offers additional peace of mind. This Midea model represents a reliable choice for those seeking a versatile, efficient window air conditioner with simple installation and basic comfort features, though it may not meet the needs of users looking for the latest smart controls or top-tier energy ratings.