diff --git a/.gitignore b/.gitignore
index 7c2edc4..3c3375d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,4 @@ __pycache__/
 input_files/*.geojson
 !input_files/.gitkeep
 
-test_*.py
\ No newline at end of file
+itest_*.py
\ No newline at end of file
diff --git a/.idea/lca_carbon_workflow.iml b/.idea/lca_carbon_workflow.iml
index 747adc1..de1e4d0 100644
--- a/.idea/lca_carbon_workflow.iml
+++ b/.idea/lca_carbon_workflow.iml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$/../hub_new/hub" />
     <content url="file://$MODULE_DIR$" />
     <orderEntry type="jdk" jdkName="Python 3.10 (conda-hub)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
diff --git a/lca_carbon_workflow.py b/lca_carbon_workflow.py
index c1a913f..93dfb01 100644
--- a/lca_carbon_workflow.py
+++ b/lca_carbon_workflow.py
@@ -12,6 +12,10 @@ from pathlib import Path
 from hub.imports.geometry_factory import GeometryFactory
 from hub.imports.construction_factory import ConstructionFactory
 from hub.helpers.dictionaries import Dictionaries
+# from hub.city_model_structure.life_cycle_assessment.access_nrcan_catalogue \
+#   import AccessNrcanCatalog
+# from hub.city_model_structure.life_cycle_assessment.building_component \
+#   import BuildingComponent
 
 
 class LCACarbonWorkflow:
@@ -44,18 +48,23 @@ class LCACarbonWorkflow:
   def calculate_opening_emission(building):
     surface_emission = []
     for surface in building.surfaces:
-      if surface.window_ratio == 0:
-        opening_surface = 0
-        opening_material_emission = 0
-      else:
-        opening_surface = 0
-        opening_material_emission = 0
-        for opening in surface.associated_thermal_boundaries.thermal_openings:
-          opening_surface += opening.area
-          # test migration to gittea
-          # opening_material_emission =
+      for boundary in surface.associated_thermal_boundaries:
+        if boundary.window_ratio == 0:
+          opening_surface = 0
+          opening_material_emission = 0
+          print('window = 0')
+        else:
+          opening_surface = 0
+          opening_material_emission = 0
+          print('window != 0')
+          # for opening in surface.associated_thermal_boundaries.thermal_openings:
+          #   opening_surface += opening.area
+            # opening_material_emission =
 
   def calculate_emission(self):
-      emitted_carbon = []
-      for building in self.city.buildings:
-        return len(building.surfaces)
+    emitted_carbon = []
+    for building in self.city.buildings:
+      # self.calculate_opening_emission(building)
+      for surface in building.surfaces:
+        for boundary in surface.associated_thermal_boundaries:
+          print(boundary.window_ratio)
\ No newline at end of file