Which portable air conditioner is the best to buy? This is a pretty common question we get through out our reviews and shopping guides. Actually, just a few months ago our air conditioner broke and this is what ignited our reviews and research of the most popular AC’s in the market today. Our ultimate pick came out to be the Honeywell MN10CESWW, but in case you needed some more options, we review the 10 best portable air conditioners in the market today. Let’s see what we found.