How to Handle HVAC Plenum Sizing Like a Pro
Getting your hvac plenum sizing right is one of those things that usually goes unnoticed until something goes wrong, like your AC sounding like a jet engine or your furnace struggling to push air to the back bedroom. Most people look at the shiny outdoor unit or the high-tech thermostat, but the plenum—that big metal box sitting right on top of your furnace or air handler—is actually the heart of the whole distribution system. If that box is the wrong size, nothing else in your HVAC system is going to work the way it was designed to. ...