diff --git a/hub/exports/building_energy/idf.py b/hub/exports/building_energy/idf.py
index f9a02ee2..2d3289ae 100644
--- a/hub/exports/building_energy/idf.py
+++ b/hub/exports/building_energy/idf.py
@@ -341,7 +341,9 @@ class Idf:
     fraction_radiant = thermal_zone.lighting.radiative_fraction
     fraction_visible = 0.3
     method = 'Watts/Area'
-    watts_per_zone_floor_area = thermal_zone.lighting.density
+    # todo: check the value of the factor to increase the density for the change of multizone to unizone
+    factor_size = 1 # thermal_zone.total_floor_area/self.internal_zone.area
+    watts_per_zone_floor_area = thermal_zone.lighting.density*factor_size
     fraction_replaceable = 1
     subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#GeneralLights'
 
@@ -437,6 +439,7 @@ class Idf:
             self._add_schedules(usage, 'Heating thermostat', thermal_zone.thermal_control.heating_set_point_schedules)
             self._add_schedules(usage, 'Cooling thermostat', thermal_zone.thermal_control.cooling_set_point_schedules)
             self._add_schedules(usage, 'Lighting', thermal_zone.lighting.schedules)
+            self._add_schedules(usage, 'Appliances', thermal_zone.appliances.schedules)
 
             self._add_people_activity_level_schedules(thermal_zone)