10 Best Window Units 2025 in the United States

The Amazon Basics 5000 BTU Small Window Air Conditioner is designed for cooling small spaces up to 150 square feet, making it suitable for bedrooms or home offices. With a modest cooling capacity of 5000 BTUs, it offers adequate cooling for smaller rooms. It features a two-in-one function, serving as both an air conditioner and a fan. This flexibility can be ideal for those seeking a simple, dual-purpose device.

The unit boasts an Energy Efficiency Ratio (EER) that indicates its energy-saving potential, although specifics beyond its SEER of 14 are not highlighted. It's an electrically powered, standalone unit compatible with a standard voltage of 115 volts, which is common and convenient for household use. Noise levels are reasonably low at 56 dB, which is quiet enough to maintain a peaceful environment, making it suitable for use in bedrooms or workspaces. Installation is straightforward with adjustable window fittings and a complete mounting kit included, although some basic tools like a screwdriver will be needed.

Additional features include customizable comfort settings with seven temperature levels, two-speed cooling and fan modes, and a two-way air direction control. The washable filter is a practical touch for easy maintenance, aiding in dust and allergen management. For those needing powerful cooling for larger areas, this unit might not suffice. Its focus on basic cooling needs and straightforward operation could appeal to those looking for simplicity over advanced features. The Amazon Basics unit is a solid choice for budget-conscious buyers seeking a reliable and quiet option for a small space.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat is a versatile option for large rooms up to 550 square feet, offering both cooling and heating functions. With a cooling capacity of 12,000 BTUs, this unit is designed to provide effective temperature control throughout the year. However, the heating function may not work efficiently when the outside temperature drops below 41°F.

It is equipped with a variety of useful features, including an LED display, multiple modes and speed settings, a 24-hour timer, and an energy-saving ECO mode, enhancing user convenience. Its compatibility with the SmartHome App and voice control via Alexa and Google Assistant allows remote operation, adding to its user-friendliness. The unit's energy efficiency is notable, with a high CEER rating of 13.3 and Energy Star certification, promising considerable energy savings.

A noise level as low as 45 dBA ensures quiet operation, making it suitable for bedrooms or home offices. Installation requires a window opening width between 24 to 38.5 inches and a vertical clearance of 14.5 inches. The air conditioner comes with an installation kit, remote control, and a washable filter for easy maintenance. However, its weight of 58 pounds might make installation a bit challenging for some users. Additionally, it requires regular cleaning of the filter to maintain optimal performance. This window unit is ideal for users looking for a combination of cooling and heating with modern smart features and energy efficiency, though its heating capabilities have some temperature limitations.

The Amazon Basics 6000 BTU Window Air Conditioner is a solid choice for cooling rooms up to 250 square feet, making it suitable for bedrooms, home offices, or small to medium living areas. Its dual functionality for cooling and fan-only modes provides flexible comfort options. With a 12.1 SEER rating, it is energy efficient without being a drain on your electricity bill.

The unit operates at a relatively quiet noise level of up to 56 dB, ensuring a peaceful environment for sleep or work. Installation is straightforward with an adjustable window kit and expandable side panels, fitting standard windows 23 to 36 inches wide and a minimum of 13 inches high. However, it is important to note that basic tools like a screwdriver are required for installation, which is not included in the package.

The air conditioner's washable filter is a convenient feature for easy maintenance, helping to capture dust and allergens efficiently. Manual controls allow for precise temperature settings and airflow direction, but some users might miss the convenience of a remote control or digital interface. Despite its basic design, this window unit is a good option for those seeking an affordable and efficient cooling solution without too many bells and whistles.