The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, ...

This isn't an all-weather, cold-climate heat pump -- it can operate in temperatures ranging from 50 to 104 degrees Fahrenheit ...

Portable air conditioners account for almost 20 percent of the room air conditioner market, but our lab tests reveal that they deliver only mediocre performance. In fact, not a single model earns ...

Our experts say these portable AC units from brands like DeLonghi and Honeywell are worth buying. They're movable and keep ...

this portable air conditioner ensures optimal air distribution throughout the room. By automatically circulating air across a wide area, it enhances cooling efficiency and maintains a consistent ...

Having the best portable air conditioner in your ... will provide a more even temperature and breeze to your room. Putting your air conditioner near a heat source is one of the worst things ...

Our best budget portable air conditioner is designed for rooms up to 250 square feet but cooled the 550-square-foot testing room by more than 2 degrees in the two-hour testing period. That's ...

(To find out the recommended kilowattage for the size of room you want to cool, see our portable air conditioner buying guide.) If your priority is finding an air conditioner that isn't too bulky or ...

Cooling effectiveness based on how quickly the air conditioner cools a room by 10°C and how even the temperature distribution is across the room. Running costs based on electricity unit price of ...

A portable air conditioner makes sense in certain spaces where a little extra cooling is needed but a central air conditioner doesn't make sense, like in a studio apartment or a small room.