diff --git a/helpers/idf_helper.py b/helpers/idf_helper.py
index 00ad664d..890690cb 100644
--- a/helpers/idf_helper.py
+++ b/helpers/idf_helper.py
@@ -19,6 +19,9 @@ class IdfHelper:
     'Ground': 'floor',
     'Roof': 'roof'
   }
+  idf_usage = {
+    'residential': 'residential_building'
+  }
 
   def __init__(self, idf_file_path, idd_file_path, epw_file_path):
     self._idd_file_path = str(idd_file_path)
diff --git a/tests/test_physics_factory.py b/tests/test_physics_factory.py
index 922eed11..5654c957 100644
--- a/tests/test_physics_factory.py
+++ b/tests/test_physics_factory.py
@@ -57,4 +57,3 @@ class TestPhysicsFactory(TestCase):
           self.assertIsNotNone(thermal_boundary.outside_solar_absorptance, 'outside_solar_absorptance is none')
           self.assertIsNotNone(thermal_boundary.window_ratio, 'window_ratio is none')
           self.assertIsNotNone(thermal_boundary.layers, 'layers is none')
-          print(thermal_boundary.construction_name)