When it comes to the plenum area, “out of sight” must never become “out of mind.” Whether located under an elevated floor, such as in a data center, or above the dropdown ceiling of a conference room, ...

While exposed ceilings in office interiors lend a spacious, open feel, this trendy architectural feature has created a new challenge: finding a viable return air path. Plenum ceilings use the area ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...