10 Best Non Window Ac Units 2026 in the United States

The Hisense 8,000 BTU portable air conditioner is a solid choice for cooling spaces up to about 350 square feet, such as bedrooms or small living rooms. It uses dual-hose technology, which cools more efficiently and maintains consistent room temperatures better than single-hose models. Thanks to its inverter compressor, it’s up to 40% more energy-efficient compared to traditional portable ACs, helping to lower electricity bills. The noise level is reasonably quiet at 42 decibels, allowing you to run it overnight without much disturbance.

The unit offers 3-in-1 operation modes: cooling, dehumidifying, and fan, making it versatile for different needs. Installation is straightforward with the included window kit, and it doesn’t require draining water during cooling, which reduces maintenance hassle. It also supports smart control via Wi-Fi with Google and Alexa compatibility, which is convenient if you like managing devices from your phone or with voice commands.

On the downside, it weighs 65 pounds, so it’s somewhat heavy to move around frequently, and it requires a nearby window for venting, which might limit placement options. It doesn't have a BEE star rating, so its efficiency compared to other models might vary depending on usage. The limited 90-day warranty is shorter than some competitors, which is worth considering. This Hisense unit is well suited for users looking for an energy-efficient, relatively quiet, and versatile portable AC with smart features, especially for moderately sized rooms, but those needing lighter or longer-warranty units might want to explore other options.

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a strong cooling capacity of 9000 BTU, making it suitable for spaces up to around 400 square feet, like bedrooms, living rooms, or small commercial areas. It stands out with a high energy efficiency rating (SEER of 21.5), which means it should help reduce electricity costs compared to less efficient models. One of its quietest points is its noise level — only 25 decibels — so it won’t disturb your daily activities or sleep.

Portability isn’t its focus since it’s designed as a split system with separate indoor and outdoor units, requiring professional installation. This could add some initial cost and effort, but it ensures a cleaner look and better performance than typical window units. Installation includes all necessary parts and a 16-foot copper line set, though the pre-charged refrigerant is only good up to 25 feet, which could limit flexibility in placement. The unit’s inverter technology allows the compressor to adjust power smoothly, improving comfort and efficiency.

Additional perks like Alexa compatibility let you control the system remotely or with voice commands, adding convenience. Plus, it functions year-round with heating, cooling, dehumidifying, and fan modes. The warranty covers parts and compressor for 5 years, giving peace of mind about reliability. While it requires professional installation and may have a higher upfront cost compared to simple window units, those looking for a quiet, energy-efficient, and versatile mini split system with smart features will find this model a solid choice.

The BLACK+DECKER 14,000 BTU Portable Air Conditioner and Heater is a versatile unit designed for spaces up to 700 sq. ft. Its 4-in-1 functionality (air conditioner, heater, dehumidifier, and fan) makes it a useful appliance throughout the year. The cooling capacity (14,000 BTU ASHRAE) and heating power (11,000 BTU) are adequate for medium to large rooms, making it a good choice for users needing a multi-functional unit without permanent installation.

The Energy Efficiency Ratio (EER) of 6.2 is on the lower side, meaning it may not be the most energy-efficient option available. However, it offers decent energy usage for its price range. At a noise level of 54 dB, it operates relatively quietly, which is beneficial for settings like bedrooms or home offices. The unit's portability is a significant advantage, featuring casters and side handles for easy movement between rooms. Installation and maintenance are straightforward, thanks to the included window kit and washable filter.

Additional features like the remote control, LED display, auto water evaporation, and a 24-hour timer enhance user convenience. One drawback is its relatively high weight (60.1 lbs), which could pose a challenge for some users when moving the unit. Moreover, it is not Energy Star rated, which might be a concern for those prioritizing energy efficiency. This BLACK+DECKER model is a solid choice for those seeking a portable, multi-functional air conditioner and heater with user-friendly features, although it may not be the most energy-efficient option on the market.