The meaning of PLENUM is a space or all space every part of which is full of matter.

Jun 3, 2025 · A plenum is an air distribution box designed for forced-air systems on residential homes and commercial businesses. It is part of the ductwork, but far different than an air duct …

What is an HVAC plenum? A plenum is a box made of sheet metal. It connects your HVAC system’s air handler to your ductwork. Your HVAC system creates cool or warm air depending …

Plenum: a compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.

A plenum is an air-distribution chamber in an HVAC system — either supply or return — that helps move and balance airflow through the ductwork. Proper installation and maintenance of …

Jul 13, 2025 · A plenum is a big part of an HVAC system, but what is the purpose of a plenum? Simply put, it distributes and collects air. It’s the central hub of air flow in a building. This article …

PLENUM definition: 1. a meeting at which all the members of a group or organization are present: 2. a meeting at…. Learn more.

Sep 26, 2025 · What is a Plenum? Outside of mini splits, every home's heating and air system has a plenum. Learn more about heating and air conditioning.

A typical plenum consists of a large metal or fiberglass box that connects the air handler to ductwork. It is often equipped with vents, filters, and sometimes dampers.

PLENUM definition: the state or a space in which a gas, usually air, is contained at a pressure greater than atmospheric pressure. See examples of plenum used in a sentence.