1. Introduction
  1.1 Importance of Building Energy Efficiency
  1.2 Objectives of the Study
2. Building Energy Modeling and Simulation
  2.1 Energy Performance Metrics and Standards
  2.2 Simulation Tools and Techniques
3. Building Envelope Design for Energy Efficiency
  3.1 Insulation and Thermal Performance
  3.2 Daylighting and Natural Ventilation Strategies
4. HVAC System Optimization
  4.1 Energy-Efficient Heating and Cooling Systems
  4.2 Building Automation and Control
5. Renewable Energy Integration in Buildings
  5.1 Solar Photovoltaic and Thermal Systems
  5.2 Wind and Geothermal Energy Applications