A furnace plenum is a chamber that’s used to distribute heated air from a furnace to the ductwork of a heating system. It’s usually fabricated from sheet metallic and is positioned on the highest or facet of the furnace. The plenum has a collection of openings that permit the heated air to enter the ductwork. The dimensions of the plenum and the variety of openings will range relying on the scale of the furnace and the heating system.
The furnace plenum is a vital a part of the heating system because it ensures that the heated air is evenly distributed all through the house. With out a plenum, the heated air wouldn’t be capable to attain all the rooms within the residence, and a few rooms could be colder than others.