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

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

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

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Summer is long gone, but severe wildfires are still sending temperatures soaring and air quality ...

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 ...