Out of all of the air conditioners I've tried, the Friedrich Chill Premier Smart Window Air Conditioner (CCF08A10A) is superior at cooling. It's a little louder than most, and some of the buttons ...

While our guide features several quiet portable air conditioners, the Friedrich Zoneaire Portable Air Conditioner (ZCP12DB) is the quietest, making it ideal for use in a bedroom. It's 54 decibels ...