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 ...

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

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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 ...