A window is the best option for venting a portable AC, but there are alternatives if a window is not available. Venting is critical; without it, the AC sends hot air back into the living space.

Select independently determines what we cover and recommend. When you buy through our links, we may earn a commission. Learn more. If you want fresh, breezy air without the stress of window ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...