10 Best Energy Star Portable Air Conditioner 2026 in the United States

The Dreo 12000 BTU portable air conditioner is a solid choice for cooling rooms up to about 300 square feet. It offers a good cooling power of 12000 BTU (ASHRAE rating), which should be sufficient for many bedrooms and small living areas. The unit’s energy efficiency ratio (EER) is around 6.1, indicating decent energy performance, though not the very highest on the market. Noise level is impressively low at 45 dB, thanks to Dreo’s patented noise isolation system, making it suitable for bedrooms or offices where quiet operation is important.

One of its standout features is the drainage-free cooling system, which automatically evaporates excess water, avoiding the hassle of manual drainage—a nice convenience for users in humid environments. Portability is well-considered, with smooth caster wheels and modular window panels that fit a range of window sizes, plus a 59-inch exhaust hose included for easy setup. The unit is fairly heavy (around 63 pounds), so moving it may require some effort, but the wheels help. The AC is versatile with three modes—cooling, fan, and dehumidifier—allowing customization for different weather conditions. It also includes modern smart controls: you can adjust settings via an app, remote control, or voice commands through Alexa, Google Assistant, or Siri, which is handy for tech-friendly users. A programmable timer and large LED display add to ease of use.

Maintenance looks straightforward with an accessible air filter, though regular cleaning will still be necessary to keep air quality high. The unit runs on R-32 refrigerant, which is more environmentally friendly compared to older types. While this model provides strong cooling and convenient smart features, its power consumption (up to 1500 watts) may be on the higher side for those seeking the most energy-efficient option. Also, the size and weight could be a consideration if you need frequent relocation. This is a quiet, effective, and user-friendly portable AC that suits bedrooms and small to medium rooms, especially if you value smart controls and low noise during operation.

The BLACK+DECKER Smart Portable Air Conditioner offers strong cooling with 14,000 BTUs, suitable for rooms up to 700 square feet, making it a good choice for larger bedrooms or living areas. Its energy efficiency ratio (SEER) of 6.2 is decent, helping to manage electricity consumption without being the most efficient on the market. The noise level at 54 decibels is moderate—quiet enough for most living spaces but might be noticeable in very quiet rooms.

Portability is practical with its size and included window installation kit, though it weighs about 62 pounds, so moving it around may require some effort. A notable feature is its smart functionality, allowing control via an app or voice commands through Alexa and Google Assistant, plus the “Follow Me” remote that measures temperature wherever the remote is placed, enhancing comfort control. Besides cooling, it works as a dehumidifier and fan, which adds versatility during warmer months. The washable filter is easy to maintain, reducing ongoing costs.

On the downside, while it’s not overly complicated to set up, the unit’s size and weight may limit portability for some users. Also, the energy efficiency is average rather than top-tier, so power bills could be higher with frequent use. This BLACK+DECKER portable AC is well-suited for users who want a powerful, smart-controlled cooling unit for larger rooms with added dehumidifying capabilities, while accepting some trade-offs in noise and portability.

The BLACK+DECKER Portable Air Conditioner offers a cooling capacity of 12,000 BTU (ASHRAE) and 8,000 BTU (DOE), making it suitable for rooms up to 550 sq. ft. This unit stands out with its three-in-one functionality, acting not only as an air conditioner but also as a dehumidifier and fan. The 'Follow Me' remote control is a nice touch, allowing for more precise temperature control by acting as a thermostat. The unit is designed for easy mobility with built-in casters and side handles, making it simple to move from room to room.

The installation kit included makes setup straightforward, and the auto water evaporation feature reduces maintenance needs. However, the SEER rating of 5.8 indicates it might not be as energy-efficient as some other models. At 52 dB, the noise level is moderate but could be a concern if you're very sensitive to sound. The air conditioner includes environmentally friendly R410a refrigerant, adding a green touch. It's relatively heavy at 56.8 pounds, which might make it less convenient to move frequently.

The user-friendly LED display and top-mounted control panel, along with a programmable timer, add to its ease of use. This portable air conditioner is well-suited for those looking for versatility and ease of movement in cooling solutions, though it might not be the best choice for those prioritizing energy efficiency or noise control.