Update app/main.py

app/main.py

@@ -647,7 +647,10 @@ class HVACCalculator:
             }
             
             # Validate latitude using cooling_calculator
-            latitude = self.cooling_calculator.validate_latitude(location['latitude'])
+            raw_latitude = location.get('latitude', '32N')
+            latitude = self.cooling_calculator.validate_latitude(raw_latitude)
+            if st.session_state.get('debug_mode', False):
+                st.write(f"Debug: Raw latitude: {raw_latitude}, Validated latitude: {latitude}")
             
             # Format conditions
             outdoor_conditions = {
@@ -809,6 +812,14 @@ class HVACCalculator:
                             'latitude': outdoor_conditions['latitude'],
                             'solar_absorptivity': wall.solar_absorptivity
                         })
+                    try:
+                        lat_value = float(outdoor_conditions['latitude'].replace('N', ''))
+                        if st.session_state.get('debug_mode', False):
+                            st.write(f"Debug: Converted wall latitude {outdoor_conditions['latitude']} to {lat_value} for get_cltd")
+                    except ValueError:
+                        lat_value = 32.0
+                        if st.session_state.get('debug_mode', False):
+                            st.error(f"Invalid latitude format in wall load: {outdoor_conditions['latitude']}. Defaulting to 32.0")
                     results['detailed_loads']['walls'].append({
                         'name': wall.name,
                         'orientation': wall.orientation.value,
@@ -820,7 +831,7 @@ class HVACCalculator:
                             group=wall.wall_group,
                             orientation=wall.orientation.value,
                             hour=design_loads['design_hour'],
-                            latitude=float(outdoor_conditions['latitude'].replace('N', '')),
+                            latitude=lat_value,
                             solar_absorptivity=wall.solar_absorptivity
                         ),
                         'load': load / 1000
@@ -828,6 +839,10 @@ class HVACCalculator:
                 except TypeError as te:
                     st.error(f"Type error in wall CLTD calculation for {wall.name}: {str(te)}")
                     return False, f"Type error in wall CLTD calculation: {str(te)}", {}
+                except Exception as e:
+                    if st.session_state.get('debug_mode', False):
+                        st.error(f"Error in wall CLTD calculation for {wall.name}: {str(e)}")
+                    return False, f"Error in wall CLTD calculation: {str(e)}", {}
             
             for roof in building_components.get('roofs', []):
                 try:
@@ -850,6 +865,14 @@ class HVACCalculator:
                             'latitude': outdoor_conditions['latitude'],
                             'solar_absorptivity': roof.solar_absorptivity
                         })
+                    try:
+                        lat_value = float(outdoor_conditions['latitude'].replace('N', ''))
+                        if st.session_state.get('debug_mode', False):
+                            st.write(f"Debug: Converted roof latitude {outdoor_conditions['latitude']} to {lat_value} for get_cltd")
+                    except ValueError:
+                        lat_value = 32.0
+                        if st.session_state.get('debug_mode', False):
+                            st.error(f"Invalid latitude format in roof load: {outdoor_conditions['latitude']}. Defaulting to 32.0")
                     results['detailed_loads']['roofs'].append({
                         'name': roof.name,
                         'orientation': roof.orientation.value,
@@ -861,7 +884,7 @@ class HVACCalculator:
                             group=roof.roof_group,
                             orientation=roof.orientation.value,
                             hour=design_loads['design_hour'],
-                            latitude=float(outdoor_conditions['latitude'].replace('N', '')),
+                            latitude=lat_value,
                             solar_absorptivity=roof.solar_absorptivity
                         ),
                         'load': load / 1000
@@ -869,6 +892,10 @@ class HVACCalculator:
                 except TypeError as te:
                     st.error(f"Type error in roof CLTD calculation for {roof.name}: {str(te)}")
                     return False, f"Type error in roof CLTD calculation: {str(te)}", {}
+                except Exception as e:
+                    if st.session_state.get('debug_mode', False):
+                        st.error(f"Error in roof CLTD calculation for {roof.name}: {str(e)}")
+                    return False, f"Error in roof CLTD calculation: {str(e)}", {}
             
             for window in building_components.get('windows', []):
                 adjusted_shgc = self.drapery.adjust_shgc(