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.

Add Yahoo as a preferred source to see more of our stories on Google. We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Materials used to ...

No matter where you live, at some point in the summer, you'll probably want air conditioning. You have three options for cooling your home -- central air conditioning, window air conditioners and ...