diff --git a/hub/exports/building_energy/idf.py b/hub/exports/building_energy/idf.py
index 9cca4301..a8a465b8 100644
--- a/hub/exports/building_energy/idf.py
+++ b/hub/exports/building_energy/idf.py
@@ -446,31 +446,24 @@ class Idf:
                            )
 
   def _add_infiltration(self, thermal_zone, zone_name):
-
-    for zone in self._idf.idfobjects["ZONE"]:
-      if zone.Name == f'{zone_name}_infiltration':
-        return
-      schedule = f'Infiltration schedules {thermal_zone.usage_name}'
-      self._idf.newidfobject(self._INFILTRATION,
-                             Name=f'{zone_name}_infiltration',
-                             Zone_or_ZoneList_Name=zone_name,
-                             Schedule_Name=schedule,
-                             Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
-                             Air_Changes_per_Hour=thermal_zone.infiltration_rate_system_off
-                             )
+    schedule = f'Infiltration schedules {thermal_zone.usage_name}'
+    self._idf.newidfobject(self._INFILTRATION,
+                           Name=f'{zone_name}_infiltration',
+                           Zone_or_ZoneList_Name=zone_name,
+                           Schedule_Name=schedule,
+                           Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
+                           Air_Changes_per_Hour=thermal_zone.infiltration_rate_system_off
+                           )
 
   def _add_ventilation(self, thermal_zone, zone_name):
-    for zone in self._idf.idfobjects["ZONE"]:
-      if zone.Name == f'{zone_name}_ventilation':
-        return
-      schedule = f'Ventilation schedules {thermal_zone.usage_name}'
-      self._idf.newidfobject(self._VENTILATION,
-                             Name=f'{zone_name}_ventilation',
-                             Zone_or_ZoneList_Name=zone_name,
-                             Schedule_Name=schedule,
-                             Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
-                             Air_Changes_per_Hour=thermal_zone.mechanical_air_change
-                             )
+    schedule = f'Ventilation schedules {thermal_zone.usage_name}'
+    self._idf.newidfobject(self._VENTILATION,
+                           Name=f'{zone_name}_ventilation',
+                           Zone_or_ZoneList_Name=zone_name,
+                           Schedule_Name=schedule,
+                           Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
+                           Air_Changes_per_Hour=thermal_zone.mechanical_air_change
+                           )
 
   def _add_dhw(self, thermal_zone, zone_name):
     peak_flow_rate = thermal_zone.domestic_hot_water.peak_flow * thermal_zone.total_floor_area
@@ -514,6 +507,7 @@ class Idf:
     self._rename_building(self._city.name)
     self._lod = self._city.level_of_detail.geometry
     for building in self._city.buildings:
+      print('building name', building.name)
       for internal_zone in building.internal_zones:
         if internal_zone.thermal_zones is None:
           continue
diff --git a/hub/imports/geometry/geojson.py b/hub/imports/geometry/geojson.py
index 10bd0e72..29b8551e 100644
--- a/hub/imports/geometry/geojson.py
+++ b/hub/imports/geometry/geojson.py
@@ -5,6 +5,7 @@ Copyright © 2022 Concordia CERC group
 Project Coder Guillermo Gutierrez Guillermo.GutierrezMorote@concordia.ca
 """
 
+import uuid
 import json
 
 import numpy as np
@@ -120,16 +121,17 @@ class Geojson:
           year_of_construction = int(feature['properties'][self._year_of_construction_field])
         function = None
         if self._function_field is not None:
-          function = feature['properties'][self._function_field]
+          function = str(feature['properties'][self._function_field])
           if self._function_to_hub is not None:
             # use the transformation dictionary to retrieve the proper function
             if function in self._function_to_hub:
               function = self._function_to_hub[function]
         geometry = feature['geometry']
-        building_name = ''
         building_aliases = []
         if 'id' in feature:
           building_name = feature['id']
+        else:
+          building_name = uuid.uuid4()
         if self._aliases_field is not None:
 
           for alias_field in self._aliases_field: