diff --git a/datatypes/epc/domain/mapper.py b/datatypes/epc/domain/mapper.py
index abd027dc..ccc4dd82 100644
--- a/datatypes/epc/domain/mapper.py
+++ b/datatypes/epc/domain/mapper.py
@@ -1,8 +1,6 @@
 from datetime import date
 from typing import List, Sequence, Union
 
-from regex import T
-
 from datatypes.epc.domain.epc_property_data import (
     EnergyElement,
     EpcPropertyData,
@@ -1493,6 +1491,6 @@ def _map_sap_heating(
                 main_heating_control=main.controls,
             )
         ],
-        has_fixed_air_conditioning=str(ventilation.has_fixed_air_conditioning).lower(),
+        has_fixed_air_conditioning=ventilation.has_fixed_air_conditioning,
         secondary_fuel_type=secondary_fuel_type,
     )
diff --git a/datatypes/epc/domain/tests/test_from_site_notes.py b/datatypes/epc/domain/tests/test_from_site_notes.py
index 455a3189..47327ff7 100644
--- a/datatypes/epc/domain/tests/test_from_site_notes.py
+++ b/datatypes/epc/domain/tests/test_from_site_notes.py
@@ -38,7 +38,9 @@ class TestFromSiteNotesExample1:
 
     @pytest.fixture
     def survey(self) -> PasHubRdSapSiteNotes:
-        return from_dict(PasHubRdSapSiteNotes, load("pashub_rdsap_site_notes_example1.json"))
+        return from_dict(
+            PasHubRdSapSiteNotes, load("pashub_rdsap_site_notes_example1.json")
+        )
 
     @pytest.fixture
     def result(self, survey: PasHubRdSapSiteNotes) -> EpcPropertyData:
@@ -159,7 +161,9 @@ class TestFromSiteNotesExample1:
 
     def test_main_heating_emitter(self, result: EpcPropertyData) -> None:
         # heating_and_hot_water.main_heating.emitter: "Radiators"
-        assert result.sap_heating.main_heating_details[0].heat_emitter_type == "Radiators"
+        assert (
+            result.sap_heating.main_heating_details[0].heat_emitter_type == "Radiators"
+        )
 
     def test_main_heating_no_fghrs(self, result: EpcPropertyData) -> None:
         # heating_and_hot_water.main_heating.flue_gas_heat_recovery_system: false
@@ -193,7 +197,9 @@ class TestFromSiteNotesExample1:
         assert result.sap_windows[0].orientation == "South East"
 
     def test_window_glazing_type(self, result: EpcPropertyData) -> None:
-        assert result.sap_windows[0].glazing_type == "Double glazing, Unknown install date"
+        assert (
+            result.sap_windows[0].glazing_type == "Double glazing, Unknown install date"
+        )
 
     # --- building parts ---
 
@@ -231,19 +237,30 @@ class TestFromSiteNotesExample1:
 
     def test_floor_area(self, result: EpcPropertyData) -> None:
         # building_measurements.main_building.floors[0].area_m2: 24.78
-        assert result.sap_building_parts[0].sap_floor_dimensions[0].total_floor_area_m2 == 24.78
+        assert (
+            result.sap_building_parts[0].sap_floor_dimensions[0].total_floor_area_m2
+            == 24.78
+        )
 
     def test_floor_height(self, result: EpcPropertyData) -> None:
         # floors[0].height_m: 2.37
-        assert result.sap_building_parts[0].sap_floor_dimensions[0].room_height_m == 2.37
+        assert (
+            result.sap_building_parts[0].sap_floor_dimensions[0].room_height_m == 2.37
+        )
 
     def test_heat_loss_perimeter(self, result: EpcPropertyData) -> None:
         # floors[0].heat_loss_perimeter_m: 14.21
-        assert result.sap_building_parts[0].sap_floor_dimensions[0].heat_loss_perimeter_m == 14.21
+        assert (
+            result.sap_building_parts[0].sap_floor_dimensions[0].heat_loss_perimeter_m
+            == 14.21
+        )
 
     def test_party_wall_length(self, result: EpcPropertyData) -> None:
         # floors[0].pwl_m: 6.15
-        assert result.sap_building_parts[0].sap_floor_dimensions[0].party_wall_length_m == 6.15
+        assert (
+            result.sap_building_parts[0].sap_floor_dimensions[0].party_wall_length_m
+            == 6.15
+        )
 
     def test_total_floor_area(self, result: EpcPropertyData) -> None:
         # sum of all floor areas: 24.78 + 24.78 = 49.56
@@ -364,7 +381,7 @@ class TestFromSiteNotesExample1:
                         main_heating_control="Programmer, room thermostat and TRVs",
                     )
                 ],
-                has_fixed_air_conditioning="false",
+                has_fixed_air_conditioning=False,
             ),
             # Windows
             sap_windows=[