document component types

epc_data/app.py

@@ -58,7 +58,7 @@ def handler():
     df = df.reset_index(drop=True)
 
     import numpy as np
-    idx = 24
+    idx = 27
     record = df[df.index == idx].to_dict("records")[0]
     record = {k: v for k, v in record.items() if v not in [None, np.nan]}
     from pprint import pprint

epc_data/attributes/HotWaterAttributes.py

@@ -3,42 +3,73 @@ from epc_data.attributes.attribute_utils import clean_description, remove_punctu
 
 
 class HotWaterAttributes:
+    # HEATER_TYPES refer to the main devices used for heating water. These devices can be powered by different energy
+    # sources.
     HEATER_TYPES = [
-        'gas instantaneous',
+        'gas instantaneous',  # A water heater that provides hot water only as it is needed
         'electric heat pump',
-        'electric immersion',
+        # A device that transfers heat from a source (like the ground or air) into a building to provide hot water
-        'gas boiler',
+        'electric immersion',  # An electric device that heats water using electric resistance
-        'electric instantaneous',
+        'gas boiler',  # A boiler that uses gas as fuel to heat water
-        'gas multipoint',
+        'electric instantaneous',  # Similar to gas instantaneous, but uses electricity as its energy source
+        'gas multipoint',  # A gas water heater that can supply hot water to multiple points of use at once
+        'heat pump'  # A general category for heat pumps, regardless of the energy source
     ]
 
+    # SYSTEM_TYPES refer to the larger system within which the heater operates.
     SYSTEM_TYPES = [
-        'from main system',
+        'from main system',  # The hot water is provided by the main heating system of the building
         'from secondary system',
-        'community scheme',
+        # The hot water is provided by a secondary (or supplementary) heating system in the building
+        'community scheme',  # The hot water is provided by a community heating system
     ]
 
+    # THERMOSTAT_CHARACTERISTICS refer to features related to temperature control in the system.
     THERMOSTAT_CHARACTERISTICS = [
-        'no cylinder thermostat',
+        'no cylinder thermostat',  # Indicates that the hot water cylinder does not have a thermostat
     ]
 
+    # HEATING_SCOPE refers to the specific role of the heater in the heating system.
     HEATING_SCOPE = [
-        'water heating only',
+        'water heating only',  # Indicates that the heater is used only for water heating, not space heating
     ]
 
-    OTHER_CHARACTERISTICS = [
+    # ENERGY_RECOVERY refers to systems or attributes that recover and utilize waste energy.
+    ENERGY_RECOVERY = [
         'waste water heat recovery',
-        'plus solar',
+        # A system that recovers heat from waste hot water (e.g., from showers) to preheat incoming cold water
-        'off-peak',
+        'flue gas heat recovery',  # A system that recovers heat from the flue gases of a boiler or furnace
-        'flue gas heat recovery',
-        'standard tariff',
-        'chp',
     ]
 
+    # TARIFF_TYPE relates to the energy pricing structure or tariff that applies to the system.
+    TARIFF_TYPE = [
+        'standard tariff',  # The energy used by the system is billed at a standard rate
+        'off-peak',  # The energy used by the system is primarily used during off-peak hours when rates are lower
+    ]
+
+    # EXTRA_FEATURES are additional features or systems that enhance the efficiency or capability of the hot water
+    # system.
+    EXTRA_FEATURES = [
+        'plus solar',  # Indicates that the system includes solar thermal panels to assist in water heating
+    ]
+
+    # CHP_SYSTEMS is specifically for the Combined Heat and Power systems.
+    CHP_SYSTEMS = [
+        'chp',
+        # Combined Heat and Power system, a system that simultaneously produces heat and electricity from the same
+        # energy source
+    ]
+
+    # NO_SYSTEM_PRESENT_KEYWORDS indicates there is no specific hot water system present.
     NO_SYSTEM_PRESENT_KEYWORDS = [
         'no system present',
     ]
 
+    # DISTRIBUTION_SYSTEM_KEYWORDS refers to components that assist in the distribution of the heated water.
+    DISTRIBUTION_SYSTEM_KEYWORDS = [
+        'circulator',  # A pump used to circulate hot water in the system
+    ]
+
     def __init__(self, description: str):
         self.description: str = clean_description(description.lower())
 
@@ -49,7 +80,10 @@ class HotWaterAttributes:
                 self.SYSTEM_TYPES,
                 self.THERMOSTAT_CHARACTERISTICS,
                 self.HEATING_SCOPE,
-                self.OTHER_CHARACTERISTICS,
+                self.ENERGY_RECOVERY,
+                self.TARIFF_TYPE,
+                self.EXTRA_FEATURES,
+                self.CHP_SYSTEMS,
                 self.NO_SYSTEM_PRESENT_KEYWORDS,
             ]
         ):
@@ -64,8 +98,11 @@ class HotWaterAttributes:
             "system_type": find_keyword(self.description, self.SYSTEM_TYPES),
             "thermostat_characteristics": find_keyword(self.description, self.THERMOSTAT_CHARACTERISTICS),
             "heating_scope": find_keyword(self.description, self.HEATING_SCOPE),
-            "other_characteristics": [find_keyword(self.description, [keyword]) for keyword in
+            "energy_recovery": find_keyword(self.description, self.ENERGY_RECOVERY),
-                                      self.OTHER_CHARACTERISTICS if find_keyword(self.description, [keyword])],
+            "tariff_type": find_keyword(self.description, self.TARIFF_TYPE),
+            "extra_features": find_keyword(self.description, self.EXTRA_FEATURES),
+            "chp_systems": find_keyword(self.description, self.CHP_SYSTEMS),
+            "distribution_system": find_keyword(self.description, self.DISTRIBUTION_SYSTEM_KEYWORDS),
             "no_system_present": find_keyword(self.description, self.NO_SYSTEM_PRESENT_KEYWORDS),
         }