Acoustic Design
Sections
Low-Velocity Air Distribution for Acoustic Control
Technical guidance on low-velocity HVAC design for assembly spaces including velocity-sound power relationships, duct sizing methodology, and noise reduction strategies.
Vibration Isolation for Assembly Space HVAC Equipment
Technical guidance on vibration isolation design for assembly spaces including transmissibility calculations, natural frequency requirements, isolator selection, and seismic coordination.
HVAC Duct Silencers: Selection and Performance
Comprehensive guide to duct silencer types, insertion loss calculations, dynamic performance, pressure drop considerations, and selection criteria per ASHRAE standards.
HVAC Acoustics in Classrooms
Technical guidance on HVAC noise control for classrooms per ANSI S12.60, including NC criteria, duct velocity limits, diffuser selection, and equipment placement strategies.