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 …
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 …
What Is a Plenum Box in HVAC? A Beginner-Friendly Breakdown
Aug 20, 2025 · 🔎 Understanding the Basics: What Is a Plenum Box? In the simplest terms, a plenum box is a large, sealed chamber that connects your HVAC system (furnace, air handler, …
What Is A Plenum In HVAC? A Simple Guide - Electronics Hub
Sep 8, 2024 · It connects the air handling unit (AHU) to the ductwork, playing a central role in air distribution. Positioned typically next to the furnace, the plenum helps distribute conditioned air …
What Is a Plenum in HVAC — Complete Guide for Building …
Sep 17, 2025 · Definition in simple terms: A plenum in HVAC (or HVAC plenum) is a chamber or box which connects to the air handler of an HVAC system and helps distribute or collect air …
What Is a Plenum in HVAC? | Angi
Aug 20, 2025 · It’s a larger, enclosed box—often custom-built—that either distributes conditioned air from your heating or cooling unit into several ducts (called the supply plenum) or collects …
What Does a Plenum Do? Understanding Its Role in HVAC Systems
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 …
What is a Plenum in HVAC Systems: Role and Importance
Sep 3, 2024 · In the world of HVAC systems, a plenum plays a vital role in maintaining efficient air distribution and return throughout your home or building. This often overlooked component is a …
What is a Plenum in HVAC & Why Is It Important | Anderson Air
A plenum is a section of an HVAC system that helps to distribute the air evenly throughout the system. Through a plenum, the air is pushed into the ductwork, distributed throughout the …
What Is a Plenum in HVAC? | Key Functions & Benefits | RHCC
What Is a Plenum in HVAC? A plenum in an HVAC system is a specially designed air chamber that acts as a central collection or distribution point for air. It connects directly to the ductwork, …