Web1 jul. 2024 · What does plenum height mean? 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. Web9 sep. 2024 · The NEC used to NOT consider the space above a drop ceiling, used as a return for HVAC, a plenum. The rules for plenums are more strict. That space above a return air ceiling was called “other spaces used for environmental air”. If it was a true plenum lay in lights would not be allowed, only sealed and gasketed fixtures would be …
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Web4 feb. 2024 · A plenum ceiling is one that uses the space between the top of the suspended ceiling and the bottom of the floor above to handle air for ventilation. All suspended ceilings are not plenums; some may use HVAC ductwork to move air to returns and diffusers located in the ceiling tiles (a ‘dead’ ceiling). Web1 aug. 2005 · 8.1.2005 A reader asked the difference between a cockloft and an attic. A cockloft is a small space created when the roof is raised above the level of the flat beams to provide a pitch to drain... knysna oyster festival attractions
What is a plenum air space Mike Holt
WebPlenums can be used for supply, return, exhaust, relief and ventilation air, and can occur in ceiling, attic or under-floor spaces, mechanical equipment rooms (air handler rooms) and in stud and joist cavities. Web21 sep. 2004 · Re: What is a plenum air space Is there a space between a flat surface above the joist and a flat surface below the joist, thus forming a compartment or … Web28 sep. 2010 · Attics are uninsulated spaces primarily used to ventilate roofs. If an attic is converted to conditioned space it is no longer an attic. If it meets the minimum … reddit stream silicon valley