A portable air conditioner, also known as a mobile air conditioner, is an air conditioner that does not require permanent installation. They do not have any piece that will stick out from your window and are relatively lightweight and commonly have caster wheels for easy portability. They generally measure about 28 to 34 inches tall. Ideal for cooling single rooms, portable air … [Read more...] about Top 20 Best Portable airconditioners in 2019