diff --git a/helpers/idf_helper.py b/helpers/idf_helper.py
index bbcffd62..9572e510 100644
--- a/helpers/idf_helper.py
+++ b/helpers/idf_helper.py
@@ -31,6 +31,35 @@ class IdfHelper:
     self._idf = IDF(self._idf_file_path, self._epw_file_path)
     self._idf.epw = self._epw_file_path
 
+  def add_schedule(self,occupancy):
+    schedule_occupancy =self._idf.newidfobject("SCHEDULE:DAY:HOURLY".upper())
+    schedule_occupancy.Name='occupant schedule'
+    schedule_occupancy.Hour_1=occupancy.occupant_schedule[0]
+    schedule_occupancy.Hour_2=occupancy.occupant_schedule[1]
+    schedule_occupancy.Hour_3=occupancy.occupant_schedule[2]
+    schedule_occupancy.Hour_4=occupancy.occupant_schedule[3]
+    schedule_occupancy.Hour_5=occupancy.occupant_schedule[4]
+    schedule_occupancy.Hour_6=occupancy.occupant_schedule[5]
+    schedule_occupancy.Hour_7=occupancy.occupant_schedule[6]
+    schedule_occupancy.Hour_8=occupancy.occupant_schedule[7]
+    schedule_occupancy.Hour_9=occupancy.occupant_schedule[8]
+    schedule_occupancy.Hour_10=occupancy.occupant_schedule[9]
+    schedule_occupancy.Hour_11=occupancy.occupant_schedule[10]
+    schedule_occupancy.Hour_12=occupancy.occupant_schedule[11]
+    schedule_occupancy.Hour_13=occupancy.occupant_schedule[12]
+    schedule_occupancy.Hour_14=occupancy.occupant_schedule[13]
+    schedule_occupancy.Hour_15=occupancy.occupant_schedule[14]
+    schedule_occupancy.Hour_16=occupancy.occupant_schedule[15]
+    schedule_occupancy.Hour_17=occupancy.occupant_schedule[16]
+    schedule_occupancy.Hour_18=occupancy.occupant_schedule[17]
+    schedule_occupancy.Hour_19=occupancy.occupant_schedule[18]
+    schedule_occupancy.Hour_20=occupancy.occupant_schedule[19]
+    schedule_occupancy.Hour_21=occupancy.occupant_schedule[20]
+    schedule_occupancy.Hour_22=occupancy.occupant_schedule[21]
+    schedule_occupancy.Hour_23=occupancy.occupant_schedule[22]
+    schedule_occupancy.Hour_24=occupancy.occupant_schedule[23]
+
+
   def add_material(self, layer):
     materials = self._idf.newidfobject("MATERIAL".upper())
     materials.Name = layer.material.name
@@ -111,6 +140,62 @@ class IdfHelper:
     self.add_heating_system(building)
     self._idf.intersect_match()
 
+  def add_lighting (self):
+    for zone in self._idf.idfobjects["ZONE"]:
+        self._idf.newidfobject("LIGHTS",
+            Name = zone.Name+"_"+"lighting",
+            Zone_or_ZoneList_Name = zone.Name,
+            Schedule_Name = "Lighting_Weekday",
+            Design_Level_Calculation_Method = 'Watts/Area',
+            Watts_per_Zone_Floor_Area = 15,
+            Return_Air_Fraction = 0,
+            Fraction_Radiant = 0.7,
+            Fraction_Visible = 0.2,
+            Fraction_Replaceable = 1,
+            # Lights.End-Use_Subcategory='LightsWired',
+            Return_Air_Fraction_Calculated_from_Plenum_Temperature = 'No'
+          )
+
+  def add_occupancy(self,occupancy):
+    for zone in self._idf.idfobjects["ZONE"]:
+        self._idf.newidfobject("PEOPLE",
+            Name = zone.Name+"_"+"occupancy",
+            Zone_or_ZoneList_Name = zone.Name,
+            Number_of_People_Schedule_Name = 'occupant schedule',
+            Number_of_People_Calculation_Method = "People",
+            Number_of_People = occupancy.number_of_occupants,
+            # Zone_Floor_Area_per_Person=31.41,
+            # People_per_Zone_Floor_Area=17*0.05,
+            # Zone_Floor_Area_per_Person=1.65880764E+01,
+            Fraction_Radiant = 0.3,
+            Activity_Level_Schedule_Name = "People_Weekday_ActivityLevel"
+        )
+
+  def add_equipment(self):
+    for zone in self._idf.idfobjects["ZONE"]:
+        self._idf.newidfobject("ELECTRICEQUIPMENT",
+              Name = zone.Name+"_"+'electricload',
+              Zone_or_ZoneList_Name = zone.Name,
+              Schedule_Name = 'ElectricalEquipment',
+              Design_Level_Calculation_Method = 'EquipmentLevel',
+              Design_Level = 566000
+    )
+
+  def add_infiltration(self):
+    for zone in self._idf.idfobjects["ZONE"]:
+        self._idf.newidfobject("ZONEINFILTRATION:DESIGNFLOWRATE",
+              Name=zone.Name+"_"+"infiltration",
+              Zone_or_ZoneList_Name=zone.Name,
+              Schedule_Name='Infiltration_schedule',
+              Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
+              Air_Changes_per_Hour=0.35,
+              Constant_Term_Coefficient=0.606,
+              Temperature_Term_Coefficient=3.6359996E-02,
+              Velocity_Term_Coefficient=0.1177165,
+              Velocity_Squared_Term_Coefficient=0.0000000E+00
+      )
+
+
   def run(self, output_directory, window_ratio=0.35, display_render=False, output_prefix=None, keep_file=None):
     self._idf.set_default_constructions()
     self._idf.set_wwr(window_ratio, construction="Project External Window")