Jul 31, 2025 · The supply plenum pushes conditioned air throughout the building, while the return plenum pulls used air back to the HVAC system for filtering and reconditioning.

Jun 3, 2025 · Return Plenums – The other type of plenum found in homes with HVAC equipment is called a return plenum. As the name implies, this air distribution box is used to return air into your …

Dec 26, 2025 · The return air plenum acts as the primary collection point for stale air drawn from the conditioned areas of a building. This chamber is directly connected to the intake side of the furnace, …

In your home, the HVAC plenum helps reduce humidity and improve airflow. You likely have two plenum boxes, one on the supply side and one on the return side of your ductwork. This article will answer …

Mar 26, 2024 · The plenum box on a fan coil unit or ducted air conditioner helps to mix the return air and thus, averaging the return air temperature so that the air conditioner can regulate its cooling power …

Aug 16, 2022 · Air return plenums and ducts are two different methods of distributing cooled or heated air to the HVAC unit. Both have advantages and disadvantages that should be considered when …

Aug 23, 2024 · A return plenum is crucial for effectively operating HVAC (Heating, Ventilation, and Air Conditioning) systems. It is typically located close to the furnace or air handler and acts as the …

May 22, 2025 · Return air plenums play a crucial role in the efficiency and effectiveness of HVAC systems. They act as the central hub for returning air to the air handling unit (AHU), ensuring a …

What is the difference between a supply plenum and a return plenum? A supply plenum pushes conditioned air into the ductwork, while a return plenum collects air from the home and sends it back …

Return Air Plenum is an air compartment, or chamber, other than the occupied space being conditioned- to which one or more ducts are connected and which forms part of either the supply air, return air or …