Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Portable air conditioners are small, wheeled machines that take air that’s hot, stale ...

The 9,000-BTU system can be used for heating and cooling in spaces up to 350 square feet, and it comes with a 16-foot line ...

Sure, a quiet air conditioner is nice during the day, but it’s essential at night when you’re trying to sleep. That’s why, in addition to testing how well air conditioners cool a room, we rate the ...