diff --git a/configuration.py b/configuration.py
new file mode 100644
index 0000000..c4da12b
--- /dev/null
+++ b/configuration.py
@@ -0,0 +1,193 @@
+from pathlib import Path
+
+data_path = Path('./data/').resolve()
+nrcan_urls = Path('./data/nrcan.xml')
+output_path = Path('./output/').resolve()
+
+shgc_for_canadian_climate_zones = {'4': 0.39, '5': 0.39, '6': 0.39, '7A': 0.49, '7B': 0.49, '8': 0.41}
+
+transparent_surfaces = ['Window', 'Skylight']
+opaque_surfaces = ['Wall', 'RoofCeiling', 'Floor']
+
+hdd_canadian_climate_zones = {'4': 2999,
+                              '5': 3999,
+                              '6': 4999,
+                              '7A': 5999,
+                              '7B': 6999,
+                              '8': 10000
+                              }
+
+heavy_light = {'1000_1979': 0,
+               '1980_2010': 1,
+               '2011_2016': 1,
+               '2017_2019': 1,
+               '2020_3000': 1}
+surface_types = {
+  "Floor": [
+    {
+      "Urea Formaldehyde Foam": 0.1,
+      "Cast Concrete": 0.1,
+      "Floor/Roof Screed": 0.07,
+      "Timber Flooring": 0.03
+    },
+    {
+      "Urea Formaldehyde Foam": 0.1,
+      "Cast Concrete": 0.1,
+      "Floor/Roof Screed": 0.07,
+      "Timber Flooring": 0.03
+    }
+  ],
+  "RoofCeiling": [
+    {
+      "Asphalt 1": 0.01,
+      "MW Glass Wool (rolls)": 0.1,
+      "3_RVAL_3": 0,
+      "Plasterboard": 0.013
+    },
+    {
+      "Asphalt 1": 0.01,
+      "MW Glass Wool (rolls)": 0.1,
+      "3_RVAL_3": 0,
+      "Plasterboard": 0.013
+    }
+  ],
+  "Wall": [
+    {
+      "Brickwork Outer": 0.1,
+      "XPS Extruded Polystyrene  - CO2 Blowing": 0.0794,
+      "Concrete Block (Medium)": 0.1,
+      "Gypsum Plastering": 0.013
+    },
+    {
+      "Lightweight Metallic Cladding": 0.006,
+      "XPS Extruded Polystyrene  - CO2 Blowing": 0.0877,
+      "Gypsum Plasterboard": 0.013
+
+    }
+  ]
+}
+
+materials = {
+  "materials": [
+    {
+      "Urea Formaldehyde Foam": {
+        "conductivity": 0.04,
+        "density": 10,
+        "specific_heat": 1400,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.6,
+        "visible_absorptance": 0.6
+      }
+    },
+    {
+      "Cast Concrete": {
+        "conductivity": 1.13,
+        "density": 2000,
+        "specific_heat": 1000,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.6,
+        "visible_absorptance": 0.6
+      }
+    },
+    {
+      "Floor/Roof Screed": {
+        "conductivity": 0.41,
+        "density": 1200,
+        "specific_heat": 840,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.73,
+        "visible_absorptance": 0.73
+      }
+    },
+    {
+      "Timber Flooring": {
+        "conductivity": 0.14,
+        "density": 650,
+        "specific_heat": 1200,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.78,
+        "visible_absorptance": 0.78
+      }
+    },
+    {
+      "Asphalt 1": {
+        "conductivity": 0.7,
+        "density": 2100,
+        "specific_heat": 1000,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.85,
+        "visible_absorptance": 0.9
+      }
+    },
+    {
+      "MW Glass Wool (rolls)": {
+        "conductivity": 0.04,
+        "density": 12,
+        "specific_heat": 840,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.6,
+        "visible_absorptance": 0.6
+      }
+    },
+    {
+      "Plasterboard": {
+        "conductivity": 0.25,
+        "density": 2800,
+        "specific_heat": 896,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.5,
+        "visible_absorptance": 0.5
+      }
+    },
+    {
+      "Brickwork Outer": {
+        "conductivity": 0.84,
+        "density": 1700,
+        "specific_heat": 800,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.7,
+        "visible_absorptance": 0.7
+      }
+    },
+    {
+      "XPS Extruded Polystyrene- CO2 Blowing": {
+        "conductivity": 0.034,
+        "density": 35,
+        "specific_heat": 1400,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.6,
+        "visible_absorptance": 0.6
+      }
+    },
+    {
+      "Concrete Block (Medium)": {
+        "conductivity": 0.51,
+        "density": 1400,
+        "specific_heat": 1000,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.6,
+        "visible_absorptance": 0.6
+      }
+    },
+    {
+      "Gypsum Plastering": {
+        "conductivity": 0.4,
+        "density": 1000,
+        "specific_heat": 1000,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.5,
+        "visible_absorptance": 0.5
+      }
+    },
+    {
+      "Lightweight Metallic Cladding": {
+        "conductivity": 0.29,
+        "density": 1250,
+        "specific_heat": 1000,
+        "thermal_emittance": 0.9,
+        "solar_absorptance": 0.4,
+        "visible_absorptance": 0.4
+      }
+    }
+  ]
+}
diff --git a/data/nrcan.xml b/data/nrcan.xml
new file mode 100644
index 0000000..757c07f
--- /dev/null
+++ b/data/nrcan.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<nrcan base_url_archetypes="https://raw.githubusercontent.com/canmet-energy/necb-2011-baselines/master/output/"
+       base_url_construction="https://raw.githubusercontent.com/NREL/openstudio-standards/master/lib/openstudio-standards/standards/necb/">
+    <standards_per_period>
+        <standard period_of_construction="1000_1979">
+            <constructions_location>BTAPPRE1980/data/surface_thermal_transmittance.json</constructions_location>
+            
+        </standard>
+        <standard period_of_construction="1980_2010">
+            <constructions_location>BTAP1980TO2010/data/surface_thermal_transmittance.json</constructions_location>
+           
+        </standard>
+        <standard period_of_construction="2011_2016">
+            <constructions_location>NECB2011/data/surface_thermal_transmittance.json</constructions_location>
+           
+        </standard>
+        <standard period_of_construction="2017_2019">
+            <constructions_location>NECB2017/data/surface_thermal_transmittance.json</constructions_location>
+           
+        </standard>
+        <standard period_of_construction="2020_3000">
+            <constructions_location>NECB2020/data/surface_thermal_transmittance.json</constructions_location>
+           
+        </standard>
+    </standards_per_period>
+    <standards_per_function>
+        <standard function="FullServiceRestaurant">
+            <file_location>FullServiceRestaurant/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/8414706d-3ba9-4d70-ad3c-4db62d865e1b-os-report.html</file_location>
+        </standard>
+        <standard function="HighriseApartment">
+            <file_location>HighriseApartment/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/83ab3764-046e-48a8-85cd-a3c0ac761efa-os-report.html</file_location>
+        </standard>
+        <standard function="Hospital">
+            <file_location>Hospital/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/210dac7e-2d51-40a9-bc78-ad0bc1c57a89-os-report.html</file_location>
+        </standard>
+        <standard function="LargeHotel">
+            <file_location>LargeHotel/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/d0185276-7fe0-4da9-bb5d-8c8a7c13c405-os-report.html</file_location>
+        </standard>
+        <standard function="LargeOffice">
+            <file_location>LargeOffice/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/2da33707-50a7-4554-91ed-c5fdbc1ce3b9-os-report.html</file_location>
+        </standard>
+        <standard function="MediumOffice">
+            <file_location>MediumOffice/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/65d97bf8-8749-410b-b53d-5a9c60e0227c-os-report.html</file_location>
+        </standard>
+        <standard function="MidriseApartment">
+            <file_location>MidriseApartment/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/19518153-9c28-4e40-8bbd-98ef949c1bdb-os-report.html</file_location>
+        </standard>
+        <standard function="Outpatient">
+            <file_location>Outpatient/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/deab93c7-d086-432d-bb90-33c8c4e1fab3-os-report.html</file_location>
+        </standard>
+        <standard function="PrimarySchool">
+            <file_location>PrimarySchool/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/87f45397-5ef4-4df9-be41-d33c4b6d2fb7-os-report.html</file_location>
+        </standard>
+        <standard function="QuickServiceRestaurant">
+            <file_location>QuickServiceRestaurant/CAN_PQ_Montreal.Intl.AP.716270_CWEC/ 0bc55858-a81b-4d07-9923-1d84e8a23194-os-report.html</file_location>
+        </standard>
+        <standard function="RetailStandalone">
+            <file_location>RetailStandalone/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/a3643bcb-0eea-47d4-b6b9-253ed188ec0c-os-report.html</file_location>
+        </standard>
+        <standard function="RetailStripmall">
+            <file_location>RetailStripmall/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/ebaf5a16-00af-49de-9672-6b373fc825be-os-report.html</file_location>
+        </standard>
+        <standard function="SecondarySchool">
+            <file_location>SecondarySchool/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/3a4f105f-93ed-4b8b-9eb3-c8ca40c5de6e-os-report.html</file_location>
+        </standard>
+        <standard function="SmallHotel">
+            <file_location>SmallHotel/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/dff0a3fc-d9e5-4866-9e6a-dee9a0da60b2-os-report.html</file_location>
+        </standard>
+        <standard function="SmallOffice">
+            <file_location>SmallOffice/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/a9a3669d-beb8-4951-aa11-c27dbc61a344-os-report.html</file_location>
+        </standard>
+        <standard function="Warehouse">
+            <file_location>Warehouse/CAN_PQ_Montreal.Intl.AP.716270_CWEC/os_report/569ec649-8017-4a3c-bd0a-337eba3ec488-os-report.html</file_location>
+        </standard>
+    </standards_per_function>
+</nrcan>
diff --git a/opaque_surfaces.py b/opaque_surfaces.py
new file mode 100644
index 0000000..81d731a
--- /dev/null
+++ b/opaque_surfaces.py
@@ -0,0 +1,49 @@
+import configuration as c
+import xmltodict
+import json
+from urllib.request import urlopen
+
+def process_formula(formula, hdd):
+  formula = formula.replace('( hdd < ', '').replace(') ', '').split(':')
+  for equation in formula:
+    values = equation.split('? ')
+    if len(values) == 2:
+      if float(values[0]) > hdd:
+        return float(values[1])
+    else:
+      return float(equation)
+
+
+with open(c.nrcan_urls, 'r') as f:
+  urls = xmltodict.parse(f.read(), force_list=['standard'])
+
+base_url_construction = urls['nrcan']['@base_url_construction']
+dictionary = {"opaque_surfaces": []}
+for standard in urls['nrcan']['standards_per_period']['standard']:
+  constructions_location = standard['constructions_location']
+  url = f'{base_url_construction}/{constructions_location}'
+  _json = json.loads(urlopen(url).read())
+  for climate_zone in c.hdd_canadian_climate_zones.keys():
+    for table in _json['tables']['surface_thermal_transmittance']['table']:
+      if table['surface'] in c.opaque_surfaces:
+        u_value = process_formula(table['formula'], c.hdd_canadian_climate_zones[climate_zone])
+
+
+
+        opaque_surface = {
+            "opaque_surface": {
+              "name": f'{standard["@period_of_construction"]}_{climate_zone}',
+              "period_of_construction": f'{standard["@period_of_construction"]}',
+              "climate_zone": f'{climate_zone}',
+              "type": f"{table['boundary_condition']}{table['surface']}",
+              "u_value": u_value,
+              "layers": []
+            }
+          }
+
+        dictionary['opaque_surfaces'].append(
+          opaque_surface
+          )
+output_dictionary = {"opaque_surfaces": dictionary['opaque_surfaces'], "materials": c.materials['materials']}
+with open(f'{c.output_path}/opaque_surfaces.json', 'w') as f:
+  json.dump(output_dictionary, f, indent=2)
diff --git a/transparent_surfaces.py b/transparent_surfaces.py
new file mode 100644
index 0000000..6c243fb
--- /dev/null
+++ b/transparent_surfaces.py
@@ -0,0 +1,44 @@
+import configuration as c
+import xmltodict
+import json
+from urllib.request import urlopen
+
+def process_formula(formula, hdd):
+  formula = formula.replace('( hdd < ', '').replace(') ', '').split(':')
+  for equation in formula:
+    values = equation.split('? ')
+    if len(values) == 2:
+      if float(values[0]) > hdd:
+        return float(values[1])
+    else:
+      return float(equation)
+
+
+with open(c.nrcan_urls, 'r') as f:
+  urls = xmltodict.parse(f.read(), force_list=['standard'])
+
+base_url_construction = urls['nrcan']['@base_url_construction']
+windows_dictionary = {"transparent_surfaces": []}
+for standard in urls['nrcan']['standards_per_period']['standard']:
+  constructions_location = standard['constructions_location']
+  url = f'{base_url_construction}/{constructions_location}'
+  _json = json.loads(urlopen(url).read())
+  for climate_zone in c.hdd_canadian_climate_zones.keys():
+    for table in _json['tables']['surface_thermal_transmittance']['table']:
+      if table['surface'] in c.transparent_surfaces:
+        u_value = process_formula(table['formula'], c.hdd_canadian_climate_zones[climate_zone])
+        windows_dictionary['transparent_surfaces'].append(
+          {
+            "transparent_surface": {
+              "name": f'{standard["@period_of_construction"]}_{climate_zone}',
+              "period_of_construction": f'{standard["@period_of_construction"]}',
+              "climate_zone": f'{climate_zone}',
+              "shgc": c.shgc_for_canadian_climate_zones[climate_zone],
+              "type": table['surface'],
+              "frame_ratio": 0,
+              "u_value": u_value
+
+            }
+          })
+with open(f'{c.output_path}/transparent_surfaces.json', 'w') as f:
+  json.dump(windows_dictionary, f, indent=2)