NA-04-3 Symposium on Inside the Box: Using Plenums and Plenum Fans Wisely NA-04-3- 1 The Acoustic Properties of Common HVAC Plena (RP- 1026) Emanuel Mouratidis and John Becker . .597 NA-04-3-2 Pressure Drop and Acoustical Application Guidelines for HVAC Plenums (RP-1026) Karl Peterman and Emanuel Mouratidis 607 NA-04-3-3 Plenum Fans in HVAC Equipment: The Good, the Bad, and the Ugly Kim G. Osbom . 616
