Portable AC units can improve indoor air quality as well as cooling your home by filtering out dust, allergens and other airborne particles. There are some disadvantages that you should consider before buying a portable AC. If you live somewhere warm and run your air conditioner year-round, it is likely that you are interested in finding out how to save money on electricity. Portable ACs help cool small areas while also dehumidifying. Some models offer different features, such a a "dry setting" on this portable Hanabishi. The spot cooler has a compressor that pumps the refrigerant through a closed-loop coil. No one wants a sweaty face on the most beautiful of days. This should indicate that they'll result in higher energy costs, and a larger monthly bill at every summer month. Dehumidifiers remove this dampness, which not only improves indoor air quality, but also increases comfort. However, for high-quality cooling a traditional split AC unit or window air conditioner will still be more powerful and better. A floor-standing AC will reduce your energy bills due to its high efficiency and low electricity usage. Portable air conditioners remove hot air from a room. The size of the area in square footage will also have an impact on how much electricity is used. This type of AC unit cools air from top to bottom.