This product is a PDF that contains links to files that consist of PowerPoint slides synchronized with the audio-recording of the speaker (recorded presentation), PDF files of the slides, and audio only (mp3) as noted.

More than ever the need for valid sound data for ducted equipment and air terminals is required to be subsequently used in accurately predicting sound levels inside the building and developing appropriate sound treatment options that have direct bearing on costs. This session discusses at length the recently updated AHRI Standards 260 and 880 for testing and rating ducted air handling equipment and air terminals, respectively.

33-1 Update On AHRI Standard 260, Sound Rating of Ducted Equipment
Curt Eichelberger, P.E., Johnson Controls
This product contains: Recorded Presentation, Audio (mp3), Slides (pdf)

33-2 Consequences of Recent Updates to AHRI Standard 880 Performance Rating of Air Terminals
Patrick Oliver, P.Eng., E.H. Price, Ltd.
This product contains: Recorded Presentation, Audio (mp3), Slides (pdf)