Update main.py

main.py

@@ -30,7 +30,7 @@ from app.materials_library import display_materials_page, Material, GlazingMater
 from app.construction import display_construction_page, get_available_constructions
 from app.components import display_components_page
 from app.internal_loads import display_internal_loads_page
-# from app.hvac_loads import display_hvac_loads_page
+from app.hvac_loads import display_hvac_loads_page
 from app.building_energy import display_building_energy_page
 from app.renewable_energy import display_renewable_energy_page
 from app.embodied_energy import display_embodied_energy_page