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

The DOMANKI 14,000 BTU Portable Air Conditioner is a strong choice for cooling large rooms up to 700 sq. ft., making it ideal for spaces like campervans, offices, or large bedrooms. One of its notable strengths is the powerful and efficient cooling it provides, thanks to an upgraded compressor system and the eco-friendly R32 refrigerant. This unit is also energy-efficient, tailored for operating within a range of 61°F to 88°F, which helps in saving on electricity bills.

The 3-in-1 functionality stands out, combining cooling, dehumidification, and fan modes for versatile use. Users will appreciate the multiple smart functions, including auto swing, a 24-hour timer, sleep mode, and child lock, making it user-friendly even for those who aren't familiar with smart appliances. The included remote control enhances convenience, allowing adjustments from a distance of up to 28 feet.

At a noise level of 52 dB during regular operation and under 48 dB in sleep mode, it ensures a quiet environment conducive to sleep or work. On the downside, the unit is relatively heavy at 73.8 pounds, which might make it challenging for some users to move around despite its caster wheels. Additionally, while the basic filter is easy to remove and wash, it might not be sufficient for those wanting advanced air purification. The included installation kit makes setup straightforward for most standard-sized vertical and horizontal sliding windows, but compatibility issues could arise with non-standard window sizes. This portable air conditioner excels in cooling performance and smart features, though its weight and basic filter might be drawbacks for some users.

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.

This 10,000 BTU portable air conditioner from Wiytamo is designed for rooms up to 450 square feet. It not only cools but also functions as a heater, dehumidifier, and fan, making it versatile for different weather conditions. The cooling capacity is appropriate for medium-sized rooms, and its heater function covers up to 350 square feet, ensuring comfort year-round.

The unit includes an LED display and remote control for easy operation and temperature adjustments from a distance, adding to the convenience. The child lock feature makes it a safe choice for families with children, preventing accidental changes to settings. Portability is enhanced with 360° wheels and concealed handles, making it easy to move the unit between rooms.

Noise levels are relatively moderate at 51.6 dB, which should not be overly disruptive. Installation is straightforward with a sliding window kit included, making it accessible for various window types without needing additional tools. However, the energy efficiency rating of 6.6 SEER might be lower than some other models, potentially leading to higher energy consumption. Users who prioritize multiple functionalities in a single unit and need a portable, easy-to-install air conditioner would benefit most from this product.