8 Best In Room Air Conditioner No Exhaust 2025 in the United States

The BLACK+DECKER 10,000 BTU portable air conditioner is a solid choice for cooling rooms up to about 450 square feet. It offers a decent cooling capacity that should keep small to medium rooms comfortable during hot weather. With a 5-star Energy Star rating and a SEER of 6.7, it’s relatively energy-efficient, which helps save on electricity bills compared to less efficient units. The noise level at 52 dB is moderate—not too loud but noticeable, similar to a quiet conversation, so it’s generally suitable for bedrooms or living areas if you’re sensitive to sound.

One handy feature is its 3-in-1 functionality, working as an air conditioner, dehumidifier, and fan, making it versatile for different weather conditions. The remote control and LED display add convenience, and the washable filter and auto water evaporation system reduce maintenance hassle. Its portability is enhanced by side handles and casters, so moving it around the house is easy.

While it includes a window installation kit, this unit still requires venting to the outside to work efficiently, which might limit where you place it. The cooling power is ideal for rooms up to 450 sq. ft., so larger spaces may not get adequate cooling. This makes it a practical option if you want a portable, multi-use unit with good energy efficiency and manageable noise levels.

The BLACK+DECKER Portable Air Conditioner is a solid choice for cooling small rooms up to about 150 square feet, such as dorm rooms, offices, or bedrooms. Its 8,000 BTU cooling capacity, which is roughly 1464 watts, efficiently cools spaces of this size without using too much electricity, making it fairly energy-friendly for personal use. The unit also stands out for combining three functions—air conditioning, dehumidifying, and fan mode—giving you versatile options for comfort beyond just cooling. With a noise level of around 53 decibels, it operates at a moderate sound level, similar to a quiet conversation, so it shouldn't be too distracting during use. The included full-function remote control is very convenient, allowing you to adjust settings without getting up.

Installation is straightforward with the supplied window kit that fits most double-hung or sliding windows; however, it requires venting through a window with the exhaust hose, which is standard for portable ACs but might not suit every room setup. The self-evaporating system helps reduce the hassle of emptying water, which is a nice touch, though keeping the filter clean is still necessary for best performance. Although the product’s specifications suggest best use for around 150 square feet, some advertising states up to 350 square feet, so it may struggle to cool larger spaces effectively.

The unit is somewhat bulky and weighs over 50 pounds, so it’s portable but may require some effort to move. This model offers a good balance of functionality and ease of use for people looking to cool and control humidity in small to medium rooms without complex installation.

The BLACK+DECKER 3-in-1 Personal Portable Air Conditioner offers a versatile cooling solution with its capability to function as an air conditioner, dehumidifier, and fan. With a compact design, it is well suited for personal use in small spaces like desks or bedside tables. With a cooling capacity of 1000 BTUs, it is not intended for cooling entire rooms or larger areas. This unit does not require a window installation, making it convenient for various setups.

It features dual exhaust hoses to direct warm air away and has adjustable speeds for both cooling and fanning, which provides some flexibility in its use. The noise level is relatively low at 48 dB, which is manageable for most indoor environments, but it may still be noticeable in very quiet settings. The energy efficiency of this unit isn't explicitly detailed, but considering its small size and specific use-case, it might not be the most energy-efficient option available.

Additional features include an electronic control panel, LED display, a timer, and casters for easy mobility. Weighing 28.6 pounds, it is reasonably portable but might be slightly cumbersome for frequent moving. This air conditioner is best suited for individuals looking for a portable, space-saving cooling solution for personal use rather than for cooling large rooms or spaces.