This report is presented in two volumes. Volume I includes all design analyses pertaining to the four test cases studied, in addition to an executive summary. Volume II contains all appendices, including:

• Bibliography
• Code Analysis
• Field Monitoring Data
• Analysis and Results

The overall objective of this project is to gather data on existing atrium construction, energy usage, air conditioning systems, energy efficient atrium prototypes, and energy usage comparisons between existing and prototypical atrium spaces for the range of atrium types selected.