Recent improvements in technology have meant that the portable air conditioner is now a very viable solution to home cooling needs. Portable a/c refers to air conditioners that can be easily move from room to room as needed, with hot air easily vented outside. Generally, no or very simple installation is required.

When looking for a portable air conditioner, be on the lookout for the type of features you would like. Options include dehumidifiers, remote controls, "whisper-quiet modes", and programmable timers. Also, be sure to find a portable air conditioner that fits the size of your rooms. Portable air conditioners range in size, and are generally able to comfortably cool between 300 to 450 square feet, depending on their cooling rating.

Lastly, when shopping for a portable a/c unit, be sure to research the various online retailers. Prices and selection can vary significantly.