diff --git a/hub/imports/results/energy_plus_workflow.py b/hub/imports/results/energy_plus_workflow.py
index cbe7988a..627b3fd7 100644
--- a/hub/imports/results/energy_plus_workflow.py
+++ b/hub/imports/results/energy_plus_workflow.py
@@ -6,6 +6,7 @@ Project Coder Saeed Ranjbar saeed.ranjbar@concordia.ca
 Project collaborator Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 """
 from pathlib import Path
+from hub.helpers.monthly_values import MonthlyValues
 import csv
 
 import hub.helpers.constants as cte
@@ -86,11 +87,14 @@ class EnergyPlusWorkflow:
         building.lighting_electrical_demand[cte.HOUR] = building_energy_demands['Lighting (J)']
         # todo: @Saeed, this a list of ONE value with the total energy of the year, exactly the same as cte.YEAR.
         #  You have to use the method to add hourly values from helpers/monthly_values
-        building.heating_demand[cte.MONTH] = [sum(building.heating_demand[cte.HOUR])]
-        building.cooling_demand[cte.MONTH] = [sum(building.cooling_demand[cte.HOUR])]
-        building.domestic_hot_water_heat_demand[cte.MONTH] = [sum(building.domestic_hot_water_heat_demand[cte.HOUR])]
-        building.appliances_electrical_demand[cte.MONTH] = [sum(building.appliances_electrical_demand[cte.HOUR])]
-        building.lighting_electrical_demand[cte.MONTH] = [sum(building.lighting_electrical_demand[cte.HOUR])]
+        building.heating_demand[cte.MONTH] = MonthlyValues.get_total_month(building.heating_demand[cte.HOUR])
+        building.cooling_demand[cte.MONTH] = MonthlyValues.get_total_month(building.cooling_demand[cte.HOUR])
+        building.domestic_hot_water_heat_demand[cte.MONTH] = (
+          MonthlyValues.get_total_month(building.domestic_hot_water_heat_demand[cte.HOUR]))
+        building.appliances_electrical_demand[cte.MONTH] = (
+          MonthlyValues.get_total_month(building.appliances_electrical_demand[cte.HOUR]))
+        building.lighting_electrical_demand[cte.MONTH] = (
+          MonthlyValues.get_total_month(building.lighting_electrical_demand[cte.HOUR]))
         building.heating_demand[cte.YEAR] = [sum(building.heating_demand[cte.MONTH])]
         building.cooling_demand[cte.YEAR] = [sum(building.cooling_demand[cte.MONTH])]
         building.domestic_hot_water_heat_demand[cte.YEAR] = [sum(building.domestic_hot_water_heat_demand[cte.MONTH])]