diff --git a/helpers/idf_helper.py b/helpers/idf_helper.py
index d6353213..66b8d644 100644
--- a/helpers/idf_helper.py
+++ b/helpers/idf_helper.py
@@ -24,18 +24,27 @@ class IdfHelper:
     self._idf.newidfobject(key='ZONE', Name=building_name, Ceiling_Height='autocalculate', Volume='autocalculate',
                      Floor_Area='autocalculate', Part_of_Total_Floor_Area='yes', )
 
-  def add_surface(self, surface, building_name):
-    self._idf.newidfobject('BUILDINGSURFACE:DETAILED', Name=surface.name, Surface_Type=surface.type,
-                           Zone_Name=building_name, )
-    # Why is this thing here?
-    # self.wall.setcoords(surface.points_list.toList())
+  @staticmethod
+  def _matrix_to_list(points):
+    points_list = []
+    for point in points:
+      point_tuple = (point[0], point[1], point[2])
+      points_list.append(point_tuple)
+    return points_list
 
-  def run(self, window_ratio=0.35):
+  def add_surface(self, surface, building_name):
+    wall = self._idf.newidfobject('BUILDINGSURFACE:DETAILED', Name=surface.name, Surface_Type=surface.type,
+                                    Zone_Name=building_name, )
+    self._matrix_to_list(surface.points)
+    wall.setcoords(IdfHelper._matrix_to_list(surface.points))
+
+  def run(self, window_ratio=0.35, display_render=False):
     self._idf.set_default_constructions()
     self._idf.intersect_match()
     self._idf.set_wwr(window_ratio)
     self._idf.translate_to_origin()
-    self._idf.view_model()
+    if display_render:
+      self._idf.view_model()
     self._idf.newidfobject("HVACTEMPLATE:THERMOSTAT", Name="Zone Stat", Constant_Heating_Setpoint=20,
                            Constant_Cooling_Setpoint=24, )
     for zone in self._idf.idfobjects["ZONE"]:
@@ -47,4 +56,5 @@ class IdfHelper:
     list_values = [v for v in data.values()]
     heating = [(float(x)) / 3600000.0 for x in list_values[0]]
     cooling = [(float(x)) / 3600000.0 for x in list_values[1]]
+    print("text")
     return heating, cooling
diff --git a/tests/test_idf.py b/tests/test_idf.py
index bc30987b..a7376baa 100644
--- a/tests/test_idf.py
+++ b/tests/test_idf.py
@@ -40,6 +40,5 @@ class TestIdf(TestCase):
       _idf.add_zone(building.name)
       for surface in building.surfaces:
         _idf.add_surface(surface, building.name)
-
     _idf.run()