HVAC Systems Encyclopedia

A comprehensive encyclopedia of heating, ventilation, and air conditioning systems

Diffuser Selection

Sections

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.

Air Distribution Acoustics for Assembly Spaces

Technical analysis of regenerated noise, terminal device selection, and duct design strategies for achieving NC 15-25 performance in theaters and concert halls.