diff --git a/hub/catalog_factories/construction/construction_helper.py b/hub/catalog_factories/construction/construction_helper.py
index a9bdaf19..012c30ab 100644
--- a/hub/catalog_factories/construction/construction_helper.py
+++ b/hub/catalog_factories/construction/construction_helper.py
@@ -1,3 +1,9 @@
+"""
+Construction helper module
+SPDX - License - Identifier: LGPL - 3.0 - or -later
+Copyright © 2022 Concordia CERC group
+Project Coder Guille Gutierrez Guillermo.GutierrezMorote@concordia.ca
+"""
 from hub.helpers import constants as cte
 
 
@@ -34,12 +40,24 @@ class ConstructionHelper:
 
   @property
   def reference_standard_to_construction_period(self):
+    """
+    Get reference standard to construction period dictionary
+    :return: {}
+    """
     return self._reference_standard_to_construction_period
 
   @property
   def nrel_surfaces_types_to_hub_types(self):
+    """
+    Get reference nrel surface type to hub type dictionary
+    :return: {}
+    """
     return self._nrel_surfaces_types_to_hub_types
 
   @property
   def nrcan_surfaces_types_to_hub_types(self):
+    """
+    Get reference nrcan surface type to hub type dictionary
+    :return: {}
+    """
     return self._nrcan_surfaces_types_to_hub_types
diff --git a/hub/catalog_factories/construction/nrcan_catalog.py b/hub/catalog_factories/construction/nrcan_catalog.py
index 554ac7a0..cb1c3f76 100644
--- a/hub/catalog_factories/construction/nrcan_catalog.py
+++ b/hub/catalog_factories/construction/nrcan_catalog.py
@@ -18,12 +18,15 @@ from hub.catalog_factories.data_models.construction.layer import Layer
 
 
 class NrcanCatalog(Catalog):
+  """
+  Nrcan catalog class
+  """
   def __init__(self, path):
     _path_archetypes = Path(path / 'nrcan_archetypes.json').resolve()
-    _path_constructions = (path / 'nrcan_constructions.json')
-    with open(_path_archetypes, 'r') as file:
+    _path_constructions = (path / 'nrcan_constructions.json').resolve()
+    with open(_path_archetypes, 'r', encoding='utf-8') as file:
       self._archetypes = json.load(file)
-    with open(_path_constructions, 'r') as file:
+    with open(_path_constructions, 'r', encoding='utf-8') as file:
       self._constructions = json.load(file)
 
     self._catalog_windows = self._load_windows()
@@ -200,17 +203,15 @@ class NrcanCatalog(Catalog):
     """
     if category is None:
       return self._content
-    else:
-      if category.lower() == 'archetypes':
-        return self._content.archetypes
-      elif category.lower() == 'constructions':
-        return self._content.constructions
-      elif category.lower() == 'materials':
-        return self._content.materials
-      elif category.lower() == 'windows':
-        return self._content.windows
-      else:
-        raise ValueError(f'Unknown category [{category}]')
+    if category.lower() == 'archetypes':
+      return self._content.archetypes
+    if category.lower() == 'constructions':
+      return self._content.constructions
+    if category.lower() == 'materials':
+      return self._content.materials
+    if category.lower() == 'windows':
+      return self._content.windows
+    raise ValueError(f'Unknown category [{category}]')
 
   def get_entry(self, name):
     """
diff --git a/hub/catalog_factories/construction/nrel_catalog.py b/hub/catalog_factories/construction/nrel_catalog.py
index c231b5f3..fcfb5a06 100644
--- a/hub/catalog_factories/construction/nrel_catalog.py
+++ b/hub/catalog_factories/construction/nrel_catalog.py
@@ -5,8 +5,8 @@ Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
 
-import xmltodict
 from pathlib import Path
+import xmltodict
 from hub.catalog_factories.catalog import Catalog
 from hub.catalog_factories.data_models.construction.window import Window
 from hub.catalog_factories.data_models.construction.material import Material
@@ -18,12 +18,15 @@ from hub.catalog_factories.construction.construction_helper import ConstructionH
 
 
 class NrelCatalog(Catalog):
+  """
+  Nrel catalog class
+  """
   def __init__(self, path):
     archetypes_path = str(Path(path / 'us_archetypes.xml').resolve())
     constructions_path = str(Path(path / 'us_constructions.xml').resolve())
-    with open(constructions_path) as xml:
+    with open(constructions_path, 'r', encoding='utf-8') as xml:
       self._constructions = xmltodict.parse(xml.read(), force_list=('material', 'window', 'construction', 'layer'))
-    with open(archetypes_path) as xml:
+    with open(archetypes_path, 'r', encoding='utf-8') as xml:
       self._archetypes = xmltodict.parse(xml.read(), force_list=('archetype', 'construction'))
     self._catalog_windows = self._load_windows()
     self._catalog_materials = self._load_materials()
@@ -58,9 +61,9 @@ class NrelCatalog(Catalog):
       thermal_absorptance = float(material['thermal_absorptance']['#text'])
       visible_absorptance = float(material['visible_absorptance']['#text'])
       no_mass = False
-      thermal_resistance = None,
-      conductivity = None,
-      density = None,
+      thermal_resistance = None
+      conductivity = None
+      density = None
       specific_heat = None
       if 'no_mass' in material and material['no_mass'] == 'true':
         no_mass = True
@@ -201,17 +204,15 @@ class NrelCatalog(Catalog):
     """
     if category is None:
       return self._content
-    else:
-      if category.lower() == 'archetypes':
-        return self._content.archetypes
-      elif category.lower() == 'constructions':
-        return self._content.constructions
-      elif category.lower() == 'materials':
-        return self._content.materials
-      elif category.lower() == 'windows':
-        return self._content.windows
-      else:
-        raise ValueError(f'Unknown category [{category}]')
+    if category.lower() == 'archetypes':
+      return self._content.archetypes
+    if category.lower() == 'constructions':
+      return self._content.constructions
+    if category.lower() == 'materials':
+      return self._content.materials
+    if category.lower() == 'windows':
+      return self._content.windows
+    raise ValueError(f'Unknown category [{category}]')
 
   def get_entry(self, name):
     """
diff --git a/hub/catalog_factories/construction_catalog_factory.py b/hub/catalog_factories/construction_catalog_factory.py
index daebce6f..a41e0aed 100644
--- a/hub/catalog_factories/construction_catalog_factory.py
+++ b/hub/catalog_factories/construction_catalog_factory.py
@@ -4,17 +4,21 @@ SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
-import logging
 
 from pathlib import Path
 from typing import TypeVar
+
+from hub.catalog_factories.construction.nrcan_catalog import NrcanCatalog
 from hub.catalog_factories.construction.nrel_catalog import NrelCatalog
 from hub.helpers.utils import validate_import_export_type
-from hub.catalog_factories.construction.nrcan_catalog import NrcanCatalog
+
 Catalog = TypeVar('Catalog')
 
 
 class ConstructionCatalogFactory:
+  """
+  Construction catalog factory class
+  """
   def __init__(self, handler, base_path=None):
     if base_path is None:
       base_path = Path(Path(__file__).parent.parent / 'data/construction')
diff --git a/hub/catalog_factories/cost/montreal_custom_catalog.py b/hub/catalog_factories/cost/montreal_custom_catalog.py
index d5021b1b..8dca370c 100644
--- a/hub/catalog_factories/cost/montreal_custom_catalog.py
+++ b/hub/catalog_factories/cost/montreal_custom_catalog.py
@@ -18,9 +18,12 @@ from hub.catalog_factories.data_models.cost.income import Income
 
 
 class MontrealCustomCatalog(Catalog):
+  """
+  Montreal custom catalog class
+  """
   def __init__(self, path):
-    path = (path / 'montreal_costs.xml')
-    with open(path) as xml:
+    path = (path / 'montreal_costs.xml').resolve()
+    with open(path, 'r', encoding='utf-8') as xml:
       self._archetypes = xmltodict.parse(xml.read(), force_list='archetype')
 
     # store the full catalog data model in self._content
diff --git a/hub/catalog_factories/data_models/construction/archetype.py b/hub/catalog_factories/data_models/construction/archetype.py
index d23e57a0..39b2e4ce 100644
--- a/hub/catalog_factories/data_models/construction/archetype.py
+++ b/hub/catalog_factories/data_models/construction/archetype.py
@@ -9,6 +9,9 @@ from hub.catalog_factories.data_models.construction.construction import Construc
 
 
 class Archetype:
+  """
+  Archetype class
+  """
   def __init__(self, archetype_id,
                name,
                function,
diff --git a/hub/catalog_factories/data_models/construction/construction.py b/hub/catalog_factories/data_models/construction/construction.py
index 0397b56d..c178de7c 100644
--- a/hub/catalog_factories/data_models/construction/construction.py
+++ b/hub/catalog_factories/data_models/construction/construction.py
@@ -9,6 +9,9 @@ from hub.catalog_factories.data_models.construction.window import Window
 
 
 class Construction:
+  """
+  Construction class
+  """
   def __init__(self, construction_id, construction_type, name, layers, window_ratio=None, window=None):
     self._id = construction_id
     self._type = construction_type
diff --git a/hub/catalog_factories/data_models/construction/content.py b/hub/catalog_factories/data_models/construction/content.py
index 3fa2f596..8fcb4ad1 100644
--- a/hub/catalog_factories/data_models/construction/content.py
+++ b/hub/catalog_factories/data_models/construction/content.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Content:
+  """
+  Content class
+  """
   def __init__(self, archetypes, constructions, materials, windows):
     self._archetypes = archetypes
     self._constructions = constructions
diff --git a/hub/catalog_factories/data_models/construction/layer.py b/hub/catalog_factories/data_models/construction/layer.py
index e8452d79..a55bdde0 100644
--- a/hub/catalog_factories/data_models/construction/layer.py
+++ b/hub/catalog_factories/data_models/construction/layer.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Layer:
+  """
+  Layer class
+  """
   def __init__(self, layer_id, name, material, thickness):
     self._id = layer_id
     self._name = name
diff --git a/hub/catalog_factories/data_models/construction/material.py b/hub/catalog_factories/data_models/construction/material.py
index 34674e0d..5109fe7c 100644
--- a/hub/catalog_factories/data_models/construction/material.py
+++ b/hub/catalog_factories/data_models/construction/material.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Material:
+  """
+  Material class
+  """
   def __init__(self, material_id,
                name,
                solar_absorptance,
diff --git a/hub/catalog_factories/data_models/construction/window.py b/hub/catalog_factories/data_models/construction/window.py
index 200ad22f..96804be4 100644
--- a/hub/catalog_factories/data_models/construction/window.py
+++ b/hub/catalog_factories/data_models/construction/window.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Window:
+  """
+  Window class
+  """
   def __init__(self, window_id, frame_ratio, g_value, overall_u_value, name, window_type=None):
     self._id = window_id
     self._frame_ratio = frame_ratio
diff --git a/hub/catalog_factories/data_models/cost/archetype.py b/hub/catalog_factories/data_models/cost/archetype.py
index 97cabe1a..7749f400 100644
--- a/hub/catalog_factories/data_models/cost/archetype.py
+++ b/hub/catalog_factories/data_models/cost/archetype.py
@@ -11,6 +11,9 @@ from hub.catalog_factories.data_models.cost.income import Income
 
 
 class Archetype:
+  """
+  Archetype class
+  """
   def __init__(self,
                lod,
                function,
diff --git a/hub/catalog_factories/data_models/cost/capital_cost.py b/hub/catalog_factories/data_models/cost/capital_cost.py
index 94981e42..e68a71d1 100644
--- a/hub/catalog_factories/data_models/cost/capital_cost.py
+++ b/hub/catalog_factories/data_models/cost/capital_cost.py
@@ -10,6 +10,9 @@ from hub.catalog_factories.data_models.cost.chapter import Chapter
 
 
 class CapitalCost:
+  """
+  Capital cost class
+  """
   def __init__(self, general_chapters, design_allowance, overhead_and_profit):
     self._general_chapters = general_chapters
     self._design_allowance = design_allowance
diff --git a/hub/catalog_factories/data_models/cost/chapter.py b/hub/catalog_factories/data_models/cost/chapter.py
index 2cd7b4e6..a1a35f8d 100644
--- a/hub/catalog_factories/data_models/cost/chapter.py
+++ b/hub/catalog_factories/data_models/cost/chapter.py
@@ -10,6 +10,9 @@ from hub.catalog_factories.data_models.cost.item_description import ItemDescript
 
 
 class Chapter:
+  """
+  Chapter class
+  """
   def __init__(self, chapter_type, items):
 
     self._chapter_type = chapter_type
diff --git a/hub/catalog_factories/data_models/cost/content.py b/hub/catalog_factories/data_models/cost/content.py
index aa12e2a4..e124acd7 100644
--- a/hub/catalog_factories/data_models/cost/content.py
+++ b/hub/catalog_factories/data_models/cost/content.py
@@ -8,6 +8,9 @@ Code contributors: Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concord
 
 
 class Content:
+  """
+  Content class
+  """
   def __init__(self, archetypes):
     self._archetypes = archetypes
 
diff --git a/hub/catalog_factories/data_models/cost/fuel.py b/hub/catalog_factories/data_models/cost/fuel.py
index 82b47477..b16fb590 100644
--- a/hub/catalog_factories/data_models/cost/fuel.py
+++ b/hub/catalog_factories/data_models/cost/fuel.py
@@ -9,6 +9,9 @@ from typing import Union
 
 
 class Fuel:
+  """
+  Fuel class
+  """
   def __init__(self, fuel_type,
                fixed_monthly=None,
                fixed_power=None,
diff --git a/hub/catalog_factories/data_models/cost/income.py b/hub/catalog_factories/data_models/cost/income.py
index 0a8c0442..43c9c71b 100644
--- a/hub/catalog_factories/data_models/cost/income.py
+++ b/hub/catalog_factories/data_models/cost/income.py
@@ -9,6 +9,9 @@ from typing import Union
 
 
 class Income:
+  """
+  Income class
+  """
   def __init__(self, construction_subsidy=None,
                hvac_subsidy=None,
                photovoltaic_subsidy=None,
diff --git a/hub/catalog_factories/data_models/cost/item_description.py b/hub/catalog_factories/data_models/cost/item_description.py
index 45b24bbb..7f69fb5f 100644
--- a/hub/catalog_factories/data_models/cost/item_description.py
+++ b/hub/catalog_factories/data_models/cost/item_description.py
@@ -9,6 +9,9 @@ from typing import Union
 
 
 class ItemDescription:
+  """
+  Item description class
+  """
   def __init__(self, item_type,
                initial_investment=None,
                initial_investment_unit=None,
diff --git a/hub/catalog_factories/data_models/cost/operational_cost.py b/hub/catalog_factories/data_models/cost/operational_cost.py
index f7cbcc6f..dd4b4715 100644
--- a/hub/catalog_factories/data_models/cost/operational_cost.py
+++ b/hub/catalog_factories/data_models/cost/operational_cost.py
@@ -10,6 +10,9 @@ from hub.catalog_factories.data_models.cost.fuel import Fuel
 
 
 class OperationalCost:
+  """
+  Operational cost class
+  """
   def __init__(self, fuels, maintenance_heating, maintenance_cooling, maintenance_pv, co2):
     self._fuels = fuels
     self._maintenance_heating = maintenance_heating
diff --git a/hub/catalog_factories/data_models/energy_systems/archetype.py b/hub/catalog_factories/data_models/energy_systems/archetype.py
index 632fc999..cd3f7c15 100644
--- a/hub/catalog_factories/data_models/energy_systems/archetype.py
+++ b/hub/catalog_factories/data_models/energy_systems/archetype.py
@@ -11,6 +11,9 @@ from hub.catalog_factories.data_models.energy_systems.system import System
 
 
 class Archetype:
+  """
+  Archetype class
+  """
   def __init__(self, lod, name, systems):
 
     self._lod = lod
diff --git a/hub/catalog_factories/data_models/energy_systems/content.py b/hub/catalog_factories/data_models/energy_systems/content.py
index 7611e1e7..06b6a085 100644
--- a/hub/catalog_factories/data_models/energy_systems/content.py
+++ b/hub/catalog_factories/data_models/energy_systems/content.py
@@ -7,6 +7,9 @@ Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 
 
 class Content:
+  """
+  Content class
+  """
   def __init__(self, archetypes, systems, generations, distributions, emissions):
     self._archetypes = archetypes
     self._systems = systems
diff --git a/hub/catalog_factories/data_models/energy_systems/distribution_system.py b/hub/catalog_factories/data_models/energy_systems/distribution_system.py
index 77176eb4..3f22a520 100644
--- a/hub/catalog_factories/data_models/energy_systems/distribution_system.py
+++ b/hub/catalog_factories/data_models/energy_systems/distribution_system.py
@@ -7,6 +7,9 @@ Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 
 
 class DistributionSystem:
+  """
+  Distribution system class
+  """
   def __init__(self, system_id, name, system_type, supply_temperature, distribution_consumption_fix_flow,
                distribution_consumption_variable_flow, heat_losses):
 
diff --git a/hub/catalog_factories/data_models/energy_systems/emission_system.py b/hub/catalog_factories/data_models/energy_systems/emission_system.py
index 61f917fc..f869a4a4 100644
--- a/hub/catalog_factories/data_models/energy_systems/emission_system.py
+++ b/hub/catalog_factories/data_models/energy_systems/emission_system.py
@@ -7,6 +7,9 @@ Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 
 
 class EmissionSystem:
+  """
+  Emission system class
+  """
   def __init__(self, system_id, name, system_type, parasitic_energy_consumption):
 
     self._system_id = system_id
diff --git a/hub/catalog_factories/data_models/energy_systems/generation_system.py b/hub/catalog_factories/data_models/energy_systems/generation_system.py
index 79665f76..04069a96 100644
--- a/hub/catalog_factories/data_models/energy_systems/generation_system.py
+++ b/hub/catalog_factories/data_models/energy_systems/generation_system.py
@@ -10,6 +10,9 @@ from typing import Union
 
 
 class GenerationSystem:
+  """
+  Generation system class
+  """
   def __init__(self, system_id, name, system_type, fuel_type, source_types, heat_efficiency, cooling_efficiency,
                electricity_efficiency, source_temperature, source_mass_flow, storage, auxiliary_equipment):
 
diff --git a/hub/catalog_factories/data_models/energy_systems/system.py b/hub/catalog_factories/data_models/energy_systems/system.py
index f03a9725..c4bf0258 100644
--- a/hub/catalog_factories/data_models/energy_systems/system.py
+++ b/hub/catalog_factories/data_models/energy_systems/system.py
@@ -13,6 +13,9 @@ from hub.catalog_factories.data_models.energy_systems.emission_system import Emi
 
 
 class System:
+  """
+  System class
+  """
   def __init__(self,
                lod,
                system_id,
diff --git a/hub/catalog_factories/data_models/greenery/content.py b/hub/catalog_factories/data_models/greenery/content.py
index 528b54a0..2087e7f7 100644
--- a/hub/catalog_factories/data_models/greenery/content.py
+++ b/hub/catalog_factories/data_models/greenery/content.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Content:
+  """
+  Content class
+  """
   def __init__(self, vegetations, plants, soils):
     self._vegetations = vegetations
     self._plants = plants
diff --git a/hub/catalog_factories/data_models/greenery/plant.py b/hub/catalog_factories/data_models/greenery/plant.py
index 864e447d..ea6bfa95 100644
--- a/hub/catalog_factories/data_models/greenery/plant.py
+++ b/hub/catalog_factories/data_models/greenery/plant.py
@@ -9,6 +9,9 @@ from hub.catalog_factories.data_models.greenery.soil import Soil as hub_soil
 
 
 class Plant:
+  """
+  Plant class
+  """
   def __init__(self, category, plant):
     self._name = plant.name
     self._category = category
diff --git a/hub/catalog_factories/data_models/greenery/plant_percentage.py b/hub/catalog_factories/data_models/greenery/plant_percentage.py
index 778aea98..8f72846b 100644
--- a/hub/catalog_factories/data_models/greenery/plant_percentage.py
+++ b/hub/catalog_factories/data_models/greenery/plant_percentage.py
@@ -5,10 +5,13 @@ Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
 
-from hub.catalog_factories.data_models.greenery.plant import Plant as hub_plant
+from hub.catalog_factories.data_models.greenery.plant import Plant as HubPlant
 
 
-class PlantPercentage(hub_plant):
+class PlantPercentage(HubPlant):
+  """
+  Plant percentage class
+  """
 
   def __init__(self, percentage, plant_category, plant):
     super().__init__(plant_category, plant)
diff --git a/hub/catalog_factories/data_models/greenery/soil.py b/hub/catalog_factories/data_models/greenery/soil.py
index c6e8266b..099ba03f 100644
--- a/hub/catalog_factories/data_models/greenery/soil.py
+++ b/hub/catalog_factories/data_models/greenery/soil.py
@@ -7,6 +7,9 @@ Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 
 
 class Soil:
+  """
+  Soil class
+  """
   def __init__(self, soil):
     self._name = soil.name
     self._roughness = soil.roughness
@@ -19,7 +22,7 @@ class Soil:
     self._saturation_volumetric_moisture_content = soil.saturationVolumetricMoistureContent
     self._residual_volumetric_moisture_content = soil.residualVolumetricMoistureContent
     self._initial_volumetric_moisture_content = soil.initialVolumetricMoistureContent
-    
+
   @property
   def name(self):
     """
diff --git a/hub/catalog_factories/data_models/greenery/vegetation.py b/hub/catalog_factories/data_models/greenery/vegetation.py
index e7a5151b..ec3a9a1c 100644
--- a/hub/catalog_factories/data_models/greenery/vegetation.py
+++ b/hub/catalog_factories/data_models/greenery/vegetation.py
@@ -9,6 +9,9 @@ from hub.catalog_factories.data_models.greenery.plant_percentage import PlantPer
 
 
 class Vegetation:
+  """
+  Vegetation class
+  """
   def __init__(self, category, vegetation, plant_percentages):
     self._name = vegetation.name
     self._category = category
diff --git a/hub/catalog_factories/data_models/usages/content.py b/hub/catalog_factories/data_models/usages/content.py
index 63fe8797..ffc34a4f 100644
--- a/hub/catalog_factories/data_models/usages/content.py
+++ b/hub/catalog_factories/data_models/usages/content.py
@@ -8,6 +8,9 @@ from hub.catalog_factories.data_models.usages.usage import Usage
 
 
 class Content:
+  """
+  Content class
+  """
   def __init__(self, usages):
     self._usages = usages
 
@@ -17,4 +20,3 @@ class Content:
     Get catalog usages
     """
     return self._usages
-
diff --git a/hub/catalog_factories/data_models/usages/internal_gain.py b/hub/catalog_factories/data_models/usages/internal_gain.py
index f1d8ad7f..447ce80a 100644
--- a/hub/catalog_factories/data_models/usages/internal_gain.py
+++ b/hub/catalog_factories/data_models/usages/internal_gain.py
@@ -18,5 +18,3 @@ class InternalGain:
     self._radiative_fraction = radiative_fraction
     self._latent_fraction = latent_fraction
     self._schedules = schedules
-
-
diff --git a/hub/catalog_factories/data_models/usages/lighting.py b/hub/catalog_factories/data_models/usages/lighting.py
index b7b48c4e..29e8a490 100644
--- a/hub/catalog_factories/data_models/usages/lighting.py
+++ b/hub/catalog_factories/data_models/usages/lighting.py
@@ -11,6 +11,9 @@ from hub.catalog_factories.data_models.usages.schedule import Schedule
 
 
 class Lighting:
+  """
+  Lighting class
+  """
   def __init__(self, density, convective_fraction, radiative_fraction, latent_fraction, schedules):
     self._density = density
     self._convective_fraction = convective_fraction
diff --git a/hub/catalog_factories/data_models/usages/usage.py b/hub/catalog_factories/data_models/usages/usage.py
index ef80af70..4ed0db2f 100644
--- a/hub/catalog_factories/data_models/usages/usage.py
+++ b/hub/catalog_factories/data_models/usages/usage.py
@@ -14,6 +14,9 @@ from hub.catalog_factories.data_models.usages.domestic_hot_water import Domestic
 
 
 class Usage:
+  """
+  Usage class
+  """
   def __init__(self, name,
                hours_day,
                days_year,
diff --git a/hub/catalog_factories/energy_systems/montreal_custom_catalog.py b/hub/catalog_factories/energy_systems/montreal_custom_catalog.py
index 0727e3d0..91c8d4e4 100644
--- a/hub/catalog_factories/energy_systems/montreal_custom_catalog.py
+++ b/hub/catalog_factories/energy_systems/montreal_custom_catalog.py
@@ -1,12 +1,12 @@
 """
-Montreal custom energy systems catalog
+Montreal custom energy systems catalog module
 SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project Coder Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
 """
 
+from ast import literal_eval
 import xmltodict
-
 from hub.catalog_factories.catalog import Catalog
 from hub.catalog_factories.data_models.energy_systems.system import System
 from hub.catalog_factories.data_models.energy_systems.content import Content
@@ -17,9 +17,12 @@ from hub.catalog_factories.data_models.energy_systems.archetype import Archetype
 
 
 class MontrealCustomCatalog(Catalog):
+  """
+  Montreal custom energy systems catalog class
+  """
   def __init__(self, path):
     path = str(path / 'montreal_custom_systems.xml')
-    with open(path) as xml:
+    with open(path, 'r', encoding='utf-8') as xml:
       self._archetypes = xmltodict.parse(xml.read(), force_list=('system', 'system_cluster', 'equipment',
                                                                  'demand', 'system_id'))
 
@@ -55,7 +58,7 @@ class MontrealCustomCatalog(Catalog):
       electricity_efficiency = None
       if 'electrical_efficiency' in equipment:
         electricity_efficiency = float(equipment['electrical_efficiency'])
-      storage = eval(equipment['storage'].capitalize())
+      storage = literal_eval(equipment['storage'].capitalize())
       generation_system = GenerationSystem(equipment_id,
                                            name,
                                            equipment_type,
@@ -211,19 +214,17 @@ class MontrealCustomCatalog(Catalog):
     """
     if category is None:
       return self._content
-    else:
-      if category.lower() == 'archetypes':
-        return self._content.archetypes
-      elif category.lower() == 'systems':
-        return self._content.systems
-      elif category.lower() == 'generation_equipments':
-        return self._content.generation_equipments
-      elif category.lower() == 'distribution_equipments':
-        return self._content.distribution_equipments
-      elif category.lower() == 'emission_equipments':
-        return self._content.emission_equipments
-      else:
-        raise ValueError(f'Unknown category [{category}]')
+    if category.lower() == 'archetypes':
+      return self._content.archetypes
+    if category.lower() == 'systems':
+      return self._content.systems
+    if category.lower() == 'generation_equipments':
+      return self._content.generation_equipments
+    if category.lower() == 'distribution_equipments':
+      return self._content.distribution_equipments
+    if category.lower() == 'emission_equipments':
+      return self._content.emission_equipments
+    raise ValueError(f'Unknown category [{category}]')
 
   def get_entry(self, name):
     """
diff --git a/hub/catalog_factories/energy_systems_catalog_factory.py b/hub/catalog_factories/energy_systems_catalog_factory.py
index b7cf597c..4b59eeda 100644
--- a/hub/catalog_factories/energy_systems_catalog_factory.py
+++ b/hub/catalog_factories/energy_systems_catalog_factory.py
@@ -4,16 +4,20 @@ SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project Coder Pilar Monsalvete Álvarez de Uribarri pilar.monsalvete@concordia.ca
 """
-import logging
 
 from pathlib import Path
 from typing import TypeVar
+
 from hub.catalog_factories.energy_systems.montreal_custom_catalog import MontrealCustomCatalog
 from hub.helpers.utils import validate_import_export_type
+
 Catalog = TypeVar('Catalog')
 
 
 class EnergySystemsCatalogFactory:
+  """
+  Energy system catalog factory class
+  """
   def __init__(self, handler, base_path=None):
     if base_path is None:
       base_path = Path(Path(__file__).parent.parent / 'data/energy_systems')
diff --git a/hub/catalog_factories/greenery/greenery_catalog.py b/hub/catalog_factories/greenery/greenery_catalog.py
index a7c7f4aa..2ea177ab 100644
--- a/hub/catalog_factories/greenery/greenery_catalog.py
+++ b/hub/catalog_factories/greenery/greenery_catalog.py
@@ -5,33 +5,36 @@ Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
 
-from pyecore.resources import ResourceSet, URI
-from hub.catalog_factories.greenery.ecore_greenery.greenerycatalog import GreeneryCatalog as gc
-from hub.catalog_factories.catalog import Catalog
 from pathlib import Path
-from hub.catalog_factories.data_models.greenery.vegetation import Vegetation as libs_vegetation
-from hub.catalog_factories.data_models.greenery.plant import Plant as libs_plant
-from hub.catalog_factories.data_models.greenery.soil import Soil as libs_soil
-from hub.catalog_factories.data_models.greenery.plant_percentage import PlantPercentage as libs_pp
+from pyecore.resources import ResourceSet, URI
+from hub.catalog_factories.greenery.ecore_greenery.greenerycatalog import GreeneryCatalog as Gc
+from hub.catalog_factories.catalog import Catalog
+from hub.catalog_factories.data_models.greenery.vegetation import Vegetation as HubVegetation
+from hub.catalog_factories.data_models.greenery.plant import Plant as HubPlant
+from hub.catalog_factories.data_models.greenery.soil import Soil as HubSoil
+from hub.catalog_factories.data_models.greenery.plant_percentage import PlantPercentage as HubPlantPercentage
 from hub.catalog_factories.data_models.greenery.content import Content as GreeneryContent
 
 
 class GreeneryCatalog(Catalog):
+  """
+  Greenery catalog class
+  """
 
   def __init__(self, path):
-    base_path = Path(Path(__file__).parent / 'ecore_greenery' / 'greenerycatalog_no_quantities.ecore')
+    base_path = Path(Path(__file__).parent / 'ecore_greenery/greenerycatalog_no_quantities.ecore').resolve()
     resource_set = ResourceSet()
     data_model = resource_set.get_resource(URI(str(base_path)))
     data_model_root = data_model.contents[0]
     resource_set.metamodel_registry[data_model_root.nsURI] = data_model_root
     resource = resource_set.get_resource(URI(str(path)))
-    catalog_data: gc = resource.contents[0]
+    catalog_data: Gc = resource.contents[0]
 
     plants = []
     for plant_category in catalog_data.plantCategories:
       name = plant_category.name
       for plant in plant_category.plants:
-        plants.append(libs_plant(name, plant))
+        plants.append(HubPlant(name, plant))
 
     vegetations = []
     for vegetation_category in catalog_data.vegetationCategories:
@@ -45,17 +48,19 @@ class GreeneryCatalog(Catalog):
             if plant.name == plant_percentage.plant.name:
               plant_category = plant.category
               break
-          plant_percentages.append(libs_pp(plant_percentage.percentage, plant_category, plant_percentage.plant))
-        vegetations.append(libs_vegetation(name, vegetation, plant_percentages))
+          plant_percentages.append(
+            HubPlantPercentage(plant_percentage.percentage, plant_category, plant_percentage.plant)
+          )
+        vegetations.append(HubVegetation(name, vegetation, plant_percentages))
     plants = []
     for plant_category in catalog_data.plantCategories:
       name = plant_category.name
       for plant in plant_category.plants:
-        plants.append(libs_plant(name, plant))
+        plants.append(HubPlant(name, plant))
 
     soils = []
     for soil in catalog_data.soils:
-      soils.append(libs_soil(soil))
+      soils.append(HubSoil(soil))
 
     self._content = GreeneryContent(vegetations, plants, soils)
 
@@ -103,14 +108,15 @@ class GreeneryCatalog(Catalog):
     raise IndexError(f"{name} doesn't exists in the catalog")
 
   def entries(self, category=None):
+    """
+    Get all entries from the greenery catalog optionally filtered by category
+    """
     if category is None:
       return self._content
-    else:
-      if category.lower() == 'vegetations':
-        return self._content.vegetations
-      elif category.lower() == 'plants':
-        return self._content.plants
-      elif category.lower() == 'soils':
-        return self._content.soils
-      else:
-        raise ValueError(f'Unknown category [{category}]')
+    if category.lower() == 'vegetations':
+      return self._content.vegetations
+    if category.lower() == 'plants':
+      return self._content.plants
+    if category.lower() == 'soils':
+      return self._content.soils
+    raise ValueError(f'Unknown category [{category}]')
diff --git a/hub/catalog_factories/usage/comnet_catalog.py b/hub/catalog_factories/usage/comnet_catalog.py
index 27fefb6e..fb6f2b00 100644
--- a/hub/catalog_factories/usage/comnet_catalog.py
+++ b/hub/catalog_factories/usage/comnet_catalog.py
@@ -24,6 +24,9 @@ from hub.helpers.configuration_helper import ConfigurationHelper as ch
 
 
 class ComnetCatalog(Catalog):
+  """
+  Comnet catalog class
+  """
   def __init__(self, path):
     self._comnet_archetypes_path = str(path / 'comnet_archetypes.xlsx')
     self._comnet_schedules_path = str(path / 'comnet_schedules_archetypes.xlsx')
diff --git a/hub/catalog_factories/usage/nrcan_catalog.py b/hub/catalog_factories/usage/nrcan_catalog.py
index 0c717276..fda4ac40 100644
--- a/hub/catalog_factories/usage/nrcan_catalog.py
+++ b/hub/catalog_factories/usage/nrcan_catalog.py
@@ -24,11 +24,14 @@ from hub.catalog_factories.usage.usage_helper import UsageHelper
 
 
 class NrcanCatalog(Catalog):
+  """
+  Nrcan catalog class
+  """
   def __init__(self, path):
     path = str(path / 'nrcan.xml')
     self._content = None
     self._schedules = {}
-    with open(path) as xml:
+    with open(path, 'r', encoding='utf-8') as xml:
       self._metadata = xmltodict.parse(xml.read())
     self._base_url = self._metadata['nrcan']['@base_url']
     self._load_schedules()
@@ -70,8 +73,10 @@ class NrcanCatalog(Catalog):
           self._schedules[schedule_type['name']] = _schedules
 
   def _get_schedules(self, name):
+    schedule = None
     if name in self._schedules:
-      return self._schedules[name]
+      schedule = self._schedules[name]
+    return schedule
 
   def _load_archetypes(self):
     usages = []
@@ -94,7 +99,10 @@ class NrcanCatalog(Catalog):
       # W/m2
       appliances_density = space_type['electric_equipment_per_area_w_per_m2']
       # peak flow in gallons/h/m2
-      domestic_hot_water_peak_flow = space_type['service_water_heating_peak_flow_per_area'] * cte.GALLONS_TO_QUBIC_METERS / cte.HOUR_TO_SECONDS
+      domestic_hot_water_peak_flow = (
+          space_type['service_water_heating_peak_flow_per_area'] *
+          cte.GALLONS_TO_QUBIC_METERS / cte.HOUR_TO_SECONDS
+      )
       space_types_dictionary[usage_type] = {'occupancy_per_area': occupancy_density,
                                             'lighting_per_area': lighting_density,
                                             'electric_equipment_per_area': appliances_density,
diff --git a/hub/catalog_factories/usage_catalog_factory.py b/hub/catalog_factories/usage_catalog_factory.py
index 9c46a475..8e826cad 100644
--- a/hub/catalog_factories/usage_catalog_factory.py
+++ b/hub/catalog_factories/usage_catalog_factory.py
@@ -4,17 +4,21 @@ SPDX - License - Identifier: LGPL - 3.0 - or -later
 Copyright © 2022 Concordia CERC group
 Project Coder Guille Gutierrez guillermo.gutierrezmorote@concordia.ca
 """
-import logging
 
 from pathlib import Path
 from typing import TypeVar
+
 from hub.catalog_factories.usage.comnet_catalog import ComnetCatalog
 from hub.catalog_factories.usage.nrcan_catalog import NrcanCatalog
 from hub.helpers.utils import validate_import_export_type
+
 Catalog = TypeVar('Catalog')
 
 
 class UsageCatalogFactory:
+  """
+  Usage catalog factory class
+  """
   def __init__(self, handler, base_path=None):
     if base_path is None:
       base_path = Path(Path(__file__).parent.parent / 'data/usage')
diff --git a/hub/exports/formats/triangular.py b/hub/exports/formats/triangular.py
index eada8772..25715d5b 100644
--- a/hub/exports/formats/triangular.py
+++ b/hub/exports/formats/triangular.py
@@ -28,5 +28,5 @@ class Triangular:
     for building in self._city.buildings:
       trimesh = trimesh.union(building.simplified_polyhedron.trimesh)
 
-    with open(file_path, self._write_mode, encoding='utf-8') as file:
+    with open(file_path, self._write_mode) as file:
       file.write(trimesh.export(file_type=self._triangular_format))
diff --git a/hub/helpers/auth.py b/hub/helpers/auth.py
index 9797f51b..b6f78b6a 100644
--- a/hub/helpers/auth.py
+++ b/hub/helpers/auth.py
@@ -8,7 +8,7 @@ Project Coder Peter Yefi peteryefi@gmail.com
 import bcrypt
 
 
-class Auth(object):
+class Auth:
   """
   Auth class
   """
diff --git a/hub/helpers/data/montreal_function_to_hub_function.py b/hub/helpers/data/montreal_function_to_hub_function.py
index 18ed172e..814a4f61 100644
--- a/hub/helpers/data/montreal_function_to_hub_function.py
+++ b/hub/helpers/data/montreal_function_to_hub_function.py
@@ -9,6 +9,9 @@ import hub.helpers.constants as cte
 
 
 class MontrealFunctionToHubFunction:
+  """
+  Montreal function to hub function class
+  """
 
   def __init__(self):
     self._dictionary = {'1000': cte.RESIDENTIAL,
@@ -584,4 +587,8 @@ class MontrealFunctionToHubFunction:
 
   @property
   def dictionary(self) -> dict:
+    """
+    Get the dictionary
+    :return: {}
+    """
     return self._dictionary
diff --git a/hub/helpers/data/montreal_system_to_hub_energy_generation_system.py b/hub/helpers/data/montreal_system_to_hub_energy_generation_system.py
index 4e5ce77a..9f2237a1 100644
--- a/hub/helpers/data/montreal_system_to_hub_energy_generation_system.py
+++ b/hub/helpers/data/montreal_system_to_hub_energy_generation_system.py
@@ -9,7 +9,9 @@ import hub.helpers.constants as cte
 
 
 class MontrealSystemToHubEnergyGenerationSystem:
-
+  """
+  Montreal's system to hub energy generation system class
+  """
   def __init__(self):
     self._dictionary = {
       'Unitary air conditioner with baseboard heater fuel fired boiler': cte.BOILER,
@@ -31,4 +33,8 @@ class MontrealSystemToHubEnergyGenerationSystem:
 
   @property
   def dictionary(self) -> dict:
+    """
+    Get the dictionary
+    :return: {}
+    """
     return self._dictionary
diff --git a/hub/helpers/peak_calculation/loads_calculation.py b/hub/helpers/peak_calculation/loads_calculation.py
index c103a330..5a18867b 100644
--- a/hub/helpers/peak_calculation/loads_calculation.py
+++ b/hub/helpers/peak_calculation/loads_calculation.py
@@ -59,6 +59,10 @@ class LoadsCalculation:
     return load_ventilation
 
   def get_heating_transmitted_load(self, ambient_temperature, ground_temperature):
+    """
+    Calculates the heating transmitted load
+    :return: int
+    """
     heating_load_transmitted = 0
     for internal_zone in self._building.internal_zones:
       for thermal_zone in internal_zone.thermal_zones:
@@ -68,6 +72,10 @@ class LoadsCalculation:
     return heating_load_transmitted
 
   def get_cooling_transmitted_load(self, ambient_temperature, ground_temperature):
+    """
+    Calculates the cooling transmitted load
+    :return: int
+    """
     cooling_load_transmitted = 0
     for internal_zone in self._building.internal_zones:
       for thermal_zone in internal_zone.thermal_zones:
@@ -77,6 +85,10 @@ class LoadsCalculation:
     return cooling_load_transmitted
 
   def get_heating_ventilation_load_sensible(self, ambient_temperature):
+    """
+    Calculates the heating ventilation load sensible
+    :return: int
+    """
     heating_ventilation_load = 0
     for internal_zone in self._building.internal_zones:
       for thermal_zone in internal_zone.thermal_zones:
@@ -85,6 +97,10 @@ class LoadsCalculation:
     return heating_ventilation_load
 
   def get_cooling_ventilation_load_sensible(self, ambient_temperature):
+    """
+    Calculates the cooling ventilation load sensible
+    :return: int
+    """
     cooling_ventilation_load = 0
     for internal_zone in self._building.internal_zones:
       for thermal_zone in internal_zone.thermal_zones:
@@ -93,6 +109,10 @@ class LoadsCalculation:
     return cooling_ventilation_load
 
   def get_internal_load_sensible(self):
+    """
+    Calculates the internal load sensible
+    :return: int
+    """
     cooling_load_occupancy_sensible = 0
     cooling_load_lighting = 0
     cooling_load_equipment_sensible = 0
@@ -113,6 +133,10 @@ class LoadsCalculation:
     return internal_load
 
   def get_radiation_load(self, irradiance_format, hour):
+    """
+    Calculates the radiation load
+    :return: int
+    """
     cooling_load_radiation = 0
     for internal_zone in self._building.internal_zones:
       for thermal_zone in internal_zone.thermal_zones: