1. Introduction
  1.1 Background and Motivation
  1.2 Objectives of the Study
2. Energy Performance Assessment of Existing Buildings
  2.1 Energy Audit and Benchmarking
  2.2 Identification of Retrofit Opportunities
  2.3 Building Simulation and Modeling
3. Retrofit Strategies and Technologies
  3.1 Building Envelope Upgrades
  3.2 HVAC System Optimization
  3.3 Lighting and Controls
  3.4 Renewable Energy Integration
4. Technical, Economic, and Environmental Analysis
  4.1 Energy Savings Potential
  4.2 Cost-Benefit Analysis
  4.3 Life Cycle Assessment
5. Implementation Challenges and Best Practices
  5.1 Regulatory and Policy Considerations
  5.2 Project Management and Coordination
  5.3 Stakeholder Engagement