Can anyone share annual square foot costs for Lab or Hospital buildings with me? The latest national survey for energy costs in Hospitals and Labs seems to be 5 years old. Obviously, things have changed.
Dave Foye
I think the area downstream of the fans might be classified as a plenum. If there's no real directional flow, but only pressure, then use the unducted performance of the fan. ASHRAE pyramidal diffuser with a wall could be used, with high L/D.
Then the ducts are treated as a Plenum to...