However, window a/c units direct a chunk of that noise outside. Portable a/c units operate entirely inside the room so you're hearing everything.

Key Points 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 ...

The real reason you can't see stars outside the window on a plane has been revealed by an expert. The biggest culprit behind this mystery is the artificial lights of the cabin which can tarnish ...

Best AC Units at Amazon No. 1 Best-Seller: Frigidaire 5,000 BTU Window Air Conditioner, $169 (orig. $179) Similar U-Shaped Design: R.W.Flame U-Shaped Window Air Conditioner, $320 Lowest Price: LG ...