Ad
related to: what is a ceiling plenum
Search results
Results From The WOW.Com Content Network
Vertical section through a commercial building using HVAC plenum instead of airspace plenum. When both the supply and return ducts are constructed in this manner, it is possible to insulate the ducts and the dropped ceiling so that the upper airspace is not heated or cooled, increasing energy efficiency.
Often refers to the space between a dropped ceiling and the structural ceiling, or a raised floor and the hard floor. Distinct from ductwork as a plenum is part of the structure itself. Cable and piping within a plenum must be properly rated for its fire and smoke indices. See also: plenum chamber psychrometric
Plenum cable / ˈ p l ɛ n əm / is electrical cable that is laid in the plenum spaces of buildings. In the United States, plastics used in the construction of plenum cable are regulated under the National Fire Protection Association standard NFPA 90A: Standard for the Installation of Air Conditioning and Ventilating Systems.
UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor diffusers), located at or near floor level within the occupied space. Air returns from the room at ceiling level or the maximum allowable height above the occupied zone. [1]
A new debt ceiling was established this week, setting up a debate for the months ahead about averting a government default. The parameters of that coming standoff are already making Donald Trump ...
Manifest Your Goals. Taking time on New Year's Eve to truly meditate and reflect on the year ahead is an excellent way to head into the new year with a focused, clear mindset.Try breaking your ...
Plenums are the central distribution and collection units for an HVAC system. The return plenum carries the air from several large return grilles (vents) or bell mouths to a central air handler. The supply plenum directs air from the central unit to the rooms which the system is designed to heat or cool.
Announcing an Unmet Need. Some dogs may seem to bark for no reason, but we’ve got to give them some credit! Dogs have various needs, such as food, water, exercise, play, socialization, mental ...