Best Portable Air Conditioner 
Best Overall: Black & Decker 8,000 BTU When it comes to the best overall air conditioner, the Black and Decker is easily the best bang for your buck. Beyond the brand itself, it’s an affordable option that cools any room under 450 sq. ft. without any problems. It’s not loud, it’s not heavy, it’s easy to move, it’s relatively inexpensive, and it’s well made so it will last a very long time.
Source: Tech News