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.

The best portable air conditioner might just help you survive the coming summer months, especially if you have an antiquated unit and no way of installing a newer wall or window air conditioner. With ...

Portable ACs have specific quirks to consider. Here's what I learned about buying and installing a mobile air conditioner. John Carlsen has more than a decade of experience testing and reviewing home ...