Provides students with fundamentals and applications of energy audit, modeling, and management in building energy systems. It will cover key definitions, units, the supply/demand fundamentals for the various energy sources, the challenges of decarbonization (across several sectors), drivers of energy demand in the buildings sector (residential, commercial, manufacturing), energy audit procedures for various types of systems, economics/life-cycle costing and more. Students will gain experience conducting energy audits through real-world project(s), different modeling tools (e.g. System Advisor Models), and data sources necessary to conduct core analyses across sectors will be covered.