diff --git a/hub/exports/building_energy/idf.py b/hub/exports/building_energy/idf.py
index 8cc6f0bb..1d0de9c8 100644
--- a/hub/exports/building_energy/idf.py
+++ b/hub/exports/building_energy/idf.py
@@ -20,7 +20,7 @@ class Idf:
   _BUILDING = 'BUILDING'
   _ZONE = 'ZONE'
   _LIGHTS = 'LIGHTS'
-  _APPLIANCES  = 'OtherEquipment'
+  _APPLIANCES = 'OTHEREQUIPMENT'
   _PEOPLE = 'PEOPLE'
   _THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
   _IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
@@ -275,7 +275,7 @@ class Idf:
   def _add_window_construction_and_material(self, thermal_opening):
     for window_material in self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]:
       if window_material['UFactor'] == thermal_opening.overall_u_value and \
-         window_material['Solar_Heat_Gain_Coefficient'] == thermal_opening.g_value:
+        window_material['Solar_Heat_Gain_Coefficient'] == thermal_opening.g_value:
         return
 
     order = str(len(self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]) + 1)
@@ -358,16 +358,16 @@ class Idf:
                            )
 
   def _add_appliances(self, thermal_zone, zone_name):
-    fueltype='Electricity'
+    fuel_type = 'Electricity'
     fraction_radiant = thermal_zone.appliances.radiative_fraction
-    fraction_convective= thermal_zone.appliances.convective_fraction
+    fraction_convective = thermal_zone.appliances.convective_fraction
     fraction_latent = 0
     method = 'Watts/Area'
     watts_per_zone_floor_area = thermal_zone.appliances.density
     subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#InteriorEquipment'
 
     self._idf.newidfobject(self._APPLIANCES,
-                           Fuel_type=fueltype,
+                           Fuel_type=fuel_type,
                            Name=f'{zone_name}_appliances',
                            Zone_or_ZoneList_Name=zone_name,
                            Schedule_Name=f'Appliance schedules {thermal_zone.usage_name}',
@@ -378,6 +378,7 @@ class Idf:
                            Fraction_Radiant=fraction_radiant,
                            EndUse_Subcategory=subcategory
                            )
+
   def _add_infiltration(self, thermal_zone, zone_name):
     for zone in self._idf.idfobjects["ZONE"]:
       if zone.Name == f'{zone_name}_infiltration':
@@ -454,20 +455,20 @@ class Idf:
       else:
         self._add_block(building)
     # todo: this should change to specific variables per zone to process only the ones in the buildings_to_calculate
-    for building in self._target_buildings:
+    for _ in self._target_buildings:
       continue
 
     self._idf.newidfobject(
-        "OUTPUT:VARIABLE",
-        Variable_Name="Zone Ideal Loads Supply Air Total Heating Energy",
-        Reporting_Frequency="Hourly",
-        )
+      "OUTPUT:VARIABLE",
+      Variable_Name="Zone Ideal Loads Supply Air Total Heating Energy",
+      Reporting_Frequency="Hourly",
+    )
 
     self._idf.newidfobject(
-        "OUTPUT:VARIABLE",
-        Variable_Name="Zone Ideal Loads Supply Air Total Cooling Energy",
-        Reporting_Frequency="Hourly",
-        )
+      "OUTPUT:VARIABLE",
+      Variable_Name="Zone Ideal Loads Supply Air Total Cooling Energy",
+      Reporting_Frequency="Hourly",
+    )
 
     self._idf.match()
     try:
@@ -578,7 +579,7 @@ class Idf:
     for material in self._idf.idfobjects[self._WINDOW_MATERIAL_SIMPLE]:
       if material['Name'] == glazing:
         if material['UFactor'] == opening.overall_u_value and \
-           material['Solar_Heat_Gain_Coefficient'] == opening.g_value:
+          material['Solar_Heat_Gain_Coefficient'] == opening.g_value:
           return True
     return False
 
diff --git a/hub/exports/building_energy/insel/insel_monthly_energy_balance.py b/hub/exports/building_energy/insel/insel_monthly_energy_balance.py
index 20e5b728..22565ba9 100644
--- a/hub/exports/building_energy/insel/insel_monthly_energy_balance.py
+++ b/hub/exports/building_energy/insel/insel_monthly_energy_balance.py
@@ -127,7 +127,7 @@ class InselMonthlyEnergyBalance(Insel):
     for thermal_boundary in thermal_zone.thermal_boundaries:
       type_code = _CONSTRUCTION_CODE[thermal_boundary.type]
       wall_area = thermal_boundary.opaque_area * (1 + thermal_boundary.window_ratio)
-      if thermal_boundary.type == cte.WALL:
+      if thermal_boundary.type == cte.WALL and thermal_boundary.parent_surface.percentage_shared is not None:
         wall_area = wall_area * (1 - thermal_boundary.parent_surface.percentage_shared)
       window_area = wall_area * thermal_boundary.window_ratio
 
diff --git a/hub/imports/construction/nrcan_physics_parameters.py b/hub/imports/construction/nrcan_physics_parameters.py
index ffe45ef7..aee0c48d 100644
--- a/hub/imports/construction/nrcan_physics_parameters.py
+++ b/hub/imports/construction/nrcan_physics_parameters.py
@@ -78,7 +78,7 @@ class NrcanPhysicsParameters:
     nrcan_archetypes = nrcan_catalog.entries('archetypes')
     for building_archetype in nrcan_archetypes:
       construction_period_limits = building_archetype.construction_period.split('_')
-      if int(construction_period_limits[0]) <= year_of_construction <= int(construction_period_limits[1]):
+      if int(construction_period_limits[0]) <= int(year_of_construction) <= int(construction_period_limits[1]):
         if (str(function) == str(building_archetype.function)) and \
            (climate_zone == str(building_archetype.climate_zone)):
           return building_archetype
diff --git a/hub/unittests/test_exports.py b/hub/unittests/test_exports.py
index 868770c3..7cf35a4c 100644
--- a/hub/unittests/test_exports.py
+++ b/hub/unittests/test_exports.py
@@ -100,12 +100,13 @@ class TestExports(TestCase):
     """
     export to IDF
     """
-    city = self._get_citygml('FZK_Haus_LoD_2.gml')
-    self._city = GeometryFactory('citygml', path=file_path).city
-    for building in city.buildings:
-      building.year_of_construction = 2006
-      if building.function is None:
-        building.function = 'large office'
+    file = 'FZK_Haus_LoD_2.gml'
+    file_path = (self._example_path / file).resolve()
+    city = GeometryFactory('citygml',
+                           path=file_path,
+                           function_to_hub=Dictionaries().alkis_function_to_hub_function).city
+    self.assertIsNotNone(city, 'city is none')
+    ConstructionFactory('nrcan', city=city)
     ConstructionFactory('nrcan', city).enrich()
     UsageFactory('nrcan', city).enrich()
     try: