Update main.py

main.py

@@ -1,7 +1,7 @@
 """
-HVAC Load Calculator - Main Module
+BuildSustain - Main Module
 
-This is the main module for the HVAC Load Calculator application. It serves as the central
+This is the main module for the BuildSustain application. It serves as the central
 orchestrator for the application, handling navigation between different modules and managing
 the overall application flow.
 
@@ -36,20 +36,20 @@ from app.renewable_energy import display_renewable_energy_page
 from app.embodied_energy import display_embodied_energy_page
 from app.materials_cost import display_materials_cost_page
 
-class HVACApp:
+class BuildSustain:
     """
-    Main class for the HVAC Load Calculator application.
+    Main class for the BuildSustain application.
     Handles navigation, session state initialization, and module integration.
     """
     
     def __init__(self):
         """
-        Initialize the HVAC Load Calculator application.
+        Initialize the BuildSustain application.
         Sets up the page configuration and initializes session state if needed.
         """
         # Configure the Streamlit page
         st.set_page_config(
-            page_title="HVAC Load Calculator",
+            page_title="BuildSustain",
             page_icon="🌡️",
             layout="wide",
             initial_sidebar_state="expanded"
@@ -170,7 +170,7 @@ class HVACApp:
         Set up the main application layout with sidebar navigation and main content area.
         """
         # Create the sidebar
-        st.sidebar.title("HVAC Load Calculator")
+        st.sidebar.title("BuildSustain")
         st.sidebar.markdown("---")
         
         # Navigation section in sidebar
@@ -210,7 +210,7 @@ class HVACApp:
         # Add application info to sidebar
         st.sidebar.markdown("---")
         st.sidebar.info(
-            "HVAC Load Calculator v3.0.0\n\n"
+            "BuildSustain v3.0.0\n\n"
             "Based on ASHRAE CTF/TFM methods\n\n"
             "Developed by: Dr Majed Abuseif\n\n"
             "School of Architecture and Built Environment\n\n"
@@ -288,7 +288,7 @@ class HVACApp:
         st.info("This is a placeholder for the Intro module. The actual module will be implemented in Stage 2.")
         st.markdown("""
         ### About
-        The HVAC Load Calculator is a tool for calculating heating and cooling loads for buildings.
+        The BuildSustain is a tool for calculating heating and cooling loads for buildings.
         
         ### Features
         - Building information input
@@ -536,7 +536,7 @@ class HVACApp:
 # Main entry point
 if __name__ == "__main__":
     try:
-        app = HVACApp()
+        app = BuildSustain()
     except Exception as e:
         st.error(f"An error occurred: {str(e)}")
         logger.exception("Application error")