PLENUM Definition & Meaning - Merriam-Webster
The meaning of PLENUM is a space or all space every part of which is full of matter.
What is a plenum? HVAC terms explained
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 on the season. …
What is Plenum in HVAC and Why It is so Important
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 as these …
Plenum space - Wikipedia
Plenum: a compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.
What Is a Plenum in HVAC? | Angi
Aug 20, 2025 · A central HVAC box, the plenum balances and distributes air throughout your home’s duct system. The supply plenum distributes conditioned air evenly into your home’s ducts, while the …
What Does a Plenum Do? Key Functions and Importance in HVAC ...
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 will cover the …
What Is A Plenum In HVAC | Good 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.