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An electric room heaters override sets the room-heater charge control 🟥

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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Khalim Conn-Kowlessar 2026-07-03 09:13:03 +00:00
parent bf032d17d0
commit cfd9799500
1 changed files with 16 additions and 0 deletions
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16
tests/domain/epc/test_main_heating_system_overlay.py
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@ -74,6 +74,22 @@ def test_electric_room_heaters_overlay_the_room_heater_category() -> None:
assert simulation.heating.main_heating_category == 10
def test_electric_room_heaters_overlay_the_room_heater_charge_control() -> None:
# A system-replacing override must stamp its own control, not inherit the
# replaced system's. Electric room heaters take the Table 4e Group 6
# room-heater control 2601 (+0.3 C, the conservative no-thermostat default,
# matching the gas/oil/solid room heaters). Leaving it unset lets a replaced
# storage heater's manual charge control 2401 (+0.7 C) survive and over-warm
# the modelled dwelling.
# Act
simulation = main_heating_overlay_for("Electric room heaters", 0)
# Assert — SAP Table 4e Group 6 room-heater control.
assert simulation is not None
assert simulation.heating is not None
assert simulation.heating.main_heating_control == 2601
@pytest.mark.parametrize(
("main_heating_value", "code"),
[