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 ...

Since it is designed for on-the-go cooling in small spaces ... What to look for in a portable air conditioner Btu and room size: One British thermal unit (Btu) equals the heat needed to raise ...

The Voltas Window AC is a suitable choice for a small ... room. Experience a new level of cooling comfort with the Haier 1.5 Ton 3 Star Fixed Speed Window AC. Unleash dynamic cooling with top-flow ...

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 ...

That's pretty reasonable. To test cooling performance, I run an air conditioner on high for an hour in a 650-square-foot room. Then, I compare the before and after readings of a digital ...