The best air conditioners efficiently and quietly cool your space. These are the best window and portable units for bedrooms, ...

Ahead, learn more about portable AC units, and how to match and size a ... you’re ready to install it. First, attach any rails, flanges, or accordion-style panels to the unit’s housing.

The initial installation took me half an hour ... Quietest While our guide features several quiet portable air conditioners, the Friedrich Zoneaire Portable Air Conditioner (ZCP12DB) is the ...