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This seminar provides insight into the revised ASHRAE HVAC Design Guide for Tall Buildings. The previous ASHRAE definition of a tall building is a building that is taller than 300ft (100m). The scope of ASHRAE's subcommittee for tall buildings has been revised to include mega-tall, 300m, and super-tall, 600m, buildings. With the increase of a building's height come engineering challenges which must be resolved, and the revised Design Guide includes additional data on vertical climate changes, façade engineering and fire and life safety, among others.

1. Introductory Slides
Peter Simmonds, Ph.D., Fellow ASHRAE
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

2. Variations and Influence of Ambient Conditions on Super Tall Buildings
Duncan Phillips
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

3. Design Features of Pressurization Airflow and Pressure Differential
John H. Klote, Ph.D., P.E., Fellow ASHRAE
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

4. Energy Use in Tall Buildings and Is Taller Healthier?
Luke Leung, P.E., Member
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)