CTI Announces Updated Sound Rating Method!
In November, 2019, the CTI released its latest revision of Acceptance Test Code (ATC) 128,
Measurement of Sound from Water Cooling Towers, which is the Industry’s recognized standard
specifically for published sound data provided by manufacturers of package cooling towers
used on HVAC, Industrial, and Process cooling systems. The updated technique for sound
power calculation of package towers was adopted after extensive research, sound modeling,
product testing, and comp
