7 Best In Wall Ac Units 2025 in the United States

The LG 9,800 BTU Through the Wall Air Conditioner is designed for cooling spaces up to 440 sq. ft., making it suitable for bedrooms, living rooms, and apartments. It offers a solid cooling capacity with an EER of 10.7, which indicates decent energy efficiency, and employs R-32 refrigerant, known for being environmentally friendly. However, it does not have an Energy Star certification, which might be a consideration for those looking for the highest energy efficiency standards.

Installation requires a specific NEMA 6-15 230V plug, making it essential to ensure compatibility with existing electrical setups and not suitable for standard window installations. The noise level is 56 dB, which is moderate but might be noticeable in quieter environments. The unit features 3 cooling speeds and 3 pre-programmed modes, including an energy saver mode and dry mode, enhancing its functionality and versatility.

Additional features like a washable filter, remote control, and included trim kit and mesh grille add convenience and ease of use. Despite these positives, the lack of an Energy Star rating and the specialized installation requirements may be drawbacks for some users. This unit is a versatile and effective cooling solution for those with compatible electrical setups and who value additional features and moderate noise levels.

The Keystone 10,000 BTU Wall Mounted Air Conditioner is a versatile unit that not only cools but also offers supplemental heating and dehumidification, making it suitable for small to medium-sized rooms up to 450 Sq.Ft. One of its standout features is the 10,000 BTU cooling capacity combined with a 10,600 BTU supplemental heating capacity, which allows for year-round comfort. However, it's important to note that the heating function is supplemental and not meant to be the primary heat source, particularly when temperatures drop below 23 degrees Fahrenheit.

The unit boasts a Seasonal Energy Efficiency Ratio (SEER) of 9.6, which is decent, though not the highest available. It does not have an Energy Star rating, which might be a consideration for those particularly focused on energy efficiency. At a noise level of 58 dB, it is relatively quiet, ensuring minimal disturbance in your living space. Installation is made easier with the included standard universal interior trim kit, although the unit is somewhat heavy at 73.8 pounds, which might require assistance during installation.

Additional features include a smart remote control that provides accurate temperature readings and modes like 'Energy Saver' and 'Sleep' to help manage electric bills. Accessories such as a mesh filter, remote control, and batteries are included, and the unit comes with a 1-year parts and labor warranty plus an additional 4 years for the sealed system. This product is ideal for those looking for a multi-functional, reliable wall-mounted unit that saves floor space and maintains a comfortable environment throughout the year.

The Keystone 8,000 BTU Wall Mounted Air Conditioner is a versatile unit designed for small to medium-sized rooms up to 350 square feet. With its 8,000 BTU cooling capacity and 4,200 BTU supplemental heating capacity, it provides year-round comfort. This unit stands out with its multi-functional features: it cools, heats, dehumidifies, and circulates air using a fan. However, it’s important to note that the heating mode is supplemental and not intended as the primary heat source, especially in very cold conditions (below 23 degrees).

The energy efficiency ratio (EER) of this unit is not explicitly mentioned, but it offers energy-saving modes such as 'Energy Saver' and 'Sleep', which can help reduce electricity costs. The noise level is rated at 57 dB, which is relatively quiet but may still be noticeable to some users. Installation is made easier with the included interior trim kit, and its wall-mounted design is great for saving floor space and keeping windows unobstructed. The smart remote control is a convenient feature, allowing you to monitor and adjust the temperature from anywhere in the room.

Additional features include a filter light reminder and a 1-year parts and labor warranty, plus an additional 4 years for the sealed system. One downside is that the unit is not Energy Star certified, which might be a consideration for those looking for highly energy-efficient appliances. Also, at 65 pounds, it may require assistance during installation. This unit is best suited for users looking for a multi-functional, space-saving solution for small to medium rooms, with the added benefit of a remote control.