Arctic Air Pocket Chill Personal Air Cooler Reviews (Ontel) Should You Buy? The Whynter Elite packs a lot of cooling capacity into a relatively inexpensive package, making it the best portable air conditioner you can buy. They are also a great option if you are on a budget and can't buy more than one AC unit, as you can easily move them from room to room. It will run for 3.5 hours when completely charged, depending on the speed setting, room temperature, and humidity levels. The majority of…