10 Best Air Conditioners 2026 in the United States

The Midea MAW12V1QWT U-Shaped Window Air Conditioner offers efficient cooling with smart features, delivering 12,000 BTUs suitable for rooms around 550 square feet, making it ideal for medium-sized living spaces. Its standout feature is the very quiet operation at just 32 dB, which is significantly quieter than many traditional window units. This is achieved through its innovative U-shaped design that fits into the window while blocking outside noise. This design also allows you to keep your window partially open for fresh air and a better view.

This unit uses environmentally friendly R-32 refrigerant and is energy efficient, boasting a high SEER rating of 15 and a 5-star BEE rating. These features help reduce electricity bills by over 35% compared to older models. Additionally, smart connectivity allows control via a smartphone app or voice commands through Alexa and Google Assistant, adding convenience for smart home users. Installation is straightforward with the included bracket, fitting most standard windows, and the unit includes helpful features such as a dehumidifier, dust filter, and fast cooling mode.

While the noise level is low, the unit weighs nearly 59 pounds, so installation might require assistance. It requires a standard 115V power source and comes with a remote control with batteries included. This air conditioner is an excellent choice for those seeking a quiet, energy-saving, and smart-controlled cooling option for a medium-sized room, featuring a modern design that allows for a more open window than usual.

The Amazon Basics 5000-BTU Small Window Air Conditioner is designed for cooling small rooms up to about 150 square feet, making it a solid choice for bedrooms, home offices, or other compact spaces. Its cooling capacity matches this need well, offering efficient temperature control with seven settings and two-speed fan modes, so users can customize comfort easily. The unit runs relatively quietly at 56 decibels, which helps maintain a peaceful environment suitable for sleeping or working without distracting noise.

Energy efficiency is decent with a SEER rating of 14, which means it balances power use and cooling performance reasonably well for its size. The washable filter is a helpful feature, as it traps dust and allergens and is easy to maintain, improving air quality and keeping operation smooth over time. Installation is straightforward for standard windows due to its adjustable kit, though you’ll need a screwdriver on hand.

This air conditioner is a practical and budget-friendly option if you want a no-frills, efficient cooling solution for smaller spaces. It’s easy to use, maintain, and operates quietly, but it’s not intended for larger areas or users seeking high-tech features. Its cooling power is best suited for small areas only, and while it offers basic cooling, fan, and dehumidifying functions, it lacks advanced features like smart controls or timers.

The TOSOT GO Cool RV Air Conditioner is a solid choice if you need a rooftop AC with both cooling and heating for your RV. Its 15,000 BTU cooling capacity makes it well suited for medium to large RVs, roughly 16 to 24 feet long or up to 600 square feet inside. It also offers 12,000 BTU heating, which is great for staying comfortable in colder weather. The unit runs at a reasonable noise level of 52 dB, which is about the sound of a normal conversation, so it shouldn't disturb your peace while camping. With an Energy Efficiency Ratio (EER) of 8.5, it provides decent energy savings, though not the highest efficiency you might find in some home air conditioners.

This model is a non-ducted rooftop unit, meaning it’s designed for RVs without internal ductwork, and installation fits standard 14.25-inch vent openings, making it compatible with many RV models. A standout feature is the WiFi connectivity and remote control via the Gree+ app, allowing you to adjust settings conveniently from your phone, which is especially handy on the road. It also works reliably in extreme outdoor temperatures ranging from 23°F to 115°F, making it versatile for various climates.

There are some considerations to keep in mind: it’s a bit bulky with its dimensions and uses 110 volts, so you’ll want to ensure your RV’s electrical system supports it. The SEER rating is not specified, suggesting moderate seasonal efficiency compared to other models. The separate shipment of parts might complicate the initial setup slightly, and it’s not compatible with RVs that have existing duct systems. This TOSOT unit is a dependable, feature-rich choice for RV owners who want both heating and cooling with smart controls, but you should confirm your RV’s electrical compatibility and duct setup before buying.