Cool off during hot weather with this selection of portable and window air conditioners from Overstock.com. Top brands include Honeywell, LG, Arctic King, and Frigidaire. Evaporative air coolers are also available, and some models include humidifiers to keep the air from drying out too much. If you don't have the type of windows capable of fitting or supporting a traditional window unit, choose from several portable models. You can also move air conditioners from room to room to cool the areas where it's most needed. These portable air conditioners are easy to install and can fit in a closest or storage when not needed. Many of these window and portable air conditioner models have special features such as digital displays, remote controls, and timers for easy use.