Does this mean I canât ever say âciao?â Of course the answer to this is no. Youâll hear ciao being said all over Italy â itâs an incredibly common greeting throughout the country. But if youâre paying closer attention, youâll see that itâs almost always used between people who know one another or are in the same peer group.
In building construction, a plenum (pronounced PLEH-nuhm, from Latin meaning full) is a separate space provided for air circulation for heating, ventilation, and air-conditioning (sometimes referred to as HVAC) and typically provided in the space between the structural ceiling and a drop-down ceiling.n buildings with computer installations, the plenum space is often used to house connecting communication cables. Because ordinary cable introduces a toxic hazard in the event of fire, special plenum cabling is required in plenum areas.
Cost of Supply Air Plenums. Before understanding the costs associated with buying and installing supply air plenums, homeowners need to know how they function. A supply air plenum is a metal box that can be attached to the outlet of a furnace.It can also be attached to an air handler.These metal boxes are used as a central manifold for all of the ductwork to connect to.he cost of supply air plenums depends on the size of the supply air plenums that are purchased. Homeowners will need to pay attention to what size supply air plenums correctly attach to their furnaces. If a homeowner is unsure, the contractor hired to install the supply air plenum will be able to assess the system.