Update utils/cooling_load.py

utils/cooling_load.py

@@ -13,7 +13,7 @@ from enum import Enum
 
 # Import data models and utilities
 from data.building_components import Wall, Roof, Floor, Window, Door, Orientation, ComponentType
-from data.ashrae_tables import ashrae_tables
+from data.ashrae_tables import ASHRAETables
 from utils.psychrometrics import Psychrometrics
 from utils.heat_transfer import HeatTransferCalculations
 
@@ -28,7 +28,7 @@ class CoolingLoadCalculator:
         """Initialize cooling load calculator."""
         self.heat_transfer = HeatTransferCalculations()
         self.psychrometrics = Psychrometrics()
-        self.ashrae_tables = ashrae_tables
+        self.ashrae_tables = ASHRAETables()
     
     def calculate_wall_cooling_load(self, wall: Wall, outdoor_temp: float, indoor_temp: float, 
                                    month: str, hour: int, latitude: str = "40N",
@@ -771,4 +771,4 @@ if __name__ == "__main__":
     print(f"Total Latent: {summary['total_latent']:.2f} W")
     print(f"Total: {summary['total']:.2f} W")
     print(f"Sensible Heat Ratio: {summary['sensible_heat_ratio']:.2f}")
-    print(f"Design Hour: {summary['design_hour']}")
+    print(f"Design Hour: {summary['design_hour']}")