10 Best Ac Unit That Doesnt Need A Window 2026 in the United States

The Whynter Portable Air Conditioner (ARC-14S) is a powerful cooling solution for rooms up to 500 sq. ft., making it a great choice for larger spaces. It boasts a high cooling capacity of 14,000 BTU, which ensures efficient cooling. The unit is relatively quiet with a noise level of 51 dB, making it suitable for bedrooms or other quiet environments. However, it's worth noting that the Energy Efficiency Ratio (EER) at 7.69 is not the highest, so it may consume more electricity compared to some other models.

The dehumidification feature, with a capacity of 71 pints per day, is impressive and useful for maintaining a comfortable indoor environment. Portability is facilitated by its design, although the unit is quite heavy at 73 pounds, which might make it challenging to move frequently. The inclusion of a window installation kit and dual hose design helps with efficient operation but does require some setup.

Control options are comprehensive, with three operational modes (cool, dehumidify, and fan) and three fan speeds, along with a full thermostatic control range of 61°F – 89°F. The package also includes useful accessories like an activated carbon filter, a washable pre-filter, and a remote control. While it lacks an Energy Star rating, the Whynter ARC-14S is a robust and versatile air conditioner that excels in cooling and dehumidifying large spaces, making it a worthwhile consideration for those needing a reliable portable AC unit.

The BLACK+DECKER Smart Portable Air Conditioner offers a strong cooling capacity of 14,000 BTU, suitable for rooms up to 700 square feet, making it a good choice for medium to large bedrooms or living areas. It also works as a dehumidifier and fan, adding versatility for humid or stuffy environments. The unit's energy efficiency is moderate, with an EER rating of 6.2, so it balances performance fairly well despite not being the cheapest on your electric bill. Noise level is around 52 decibels, similar to a quiet conversation, so it should be comfortable for most living spaces, though light sleepers might notice it. Portability is decent with a compact size, but at 68 pounds, it’s not super light—still manageable to move occasionally.

Installation is easier than traditional window units thanks to the included window kit and exhaust hose, but it does require some setup at a window to vent hot air outside. The smart features stand out with Wi-Fi connectivity, voice control through Alexa or Google Assistant, and a “Follow Me” remote that senses temperature for more precise comfort. The washable filter adds convenience and reduces maintenance costs.

On the downside, this model doesn’t have a heating function and lacks inverter technology, which means it may use more power compared to some modern units. The 1-year warranty is typical but somewhat short. This portable AC suits users who want solid cooling, smart controls, and easy installation without a full window unit, though it might be a bit heavy and not the most energy-efficient choice for prolonged use.

The LG 11,800 BTU Through the Wall Air Conditioner is designed for those who want cooling without using a traditional window unit. Instead, it installs through a wall, which can be great for apartments or rooms without suitable windows. It cools spaces up to about 530 square feet, which is ideal for bedrooms or living rooms. The unit uses a modern and energy-efficient refrigerant (R-32) with an Energy Efficiency Ratio (EER) of 10.6, meaning it can help keep electricity bills reasonable compared to some older models.

With three different cooling and fan speeds, plus pre-set modes like Energy Saver and Dry (for dehumidifying), it offers versatile climate control. The included remote control makes adjusting settings convenient. Installation requires a wall cutout of specific dimensions, and the product comes with a trim kit and grille to complete the setup neatly.

The noise level is around 60 decibels, which is moderately loud—comparable to a normal conversation—so it might be noticeable in quiet environments. Also, at 76 pounds, it’s not very portable, and installing it requires a permanent wall opening, making it less flexible than window units. It does not have an inverter compressor, which means it won’t adjust power usage as smoothly as some newer models, potentially affecting energy savings. This LG unit is a solid choice if you need a through-the-wall air conditioner with decent cooling power and energy efficiency, especially when window installation isn't possible. However, be prepared for a moderate noise level and a fixed installation that isn’t easily moved.