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The surveyed "Ventilation type" label never reached mechanical_ventilation_kind, so ventilation_from_cert silently defaulted every mechanical system to NATURAL (24d), dropping its ACH heat loss — 76/205 cohort fixtures lodge dMEV/MEV/PIV (issue #1590 bug 4). Mapping mirrors the gov-API _API_MECHANICAL_VENTILATION_TO_KIND table (PIV-from-loft is "as natural"). Harness: within-0.5 12.2% -> 18.5%, MAE 2.538 -> 1.730 — the campaign's largest single move; floors ratcheted to 0.18 / 1.75. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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| .. | ||
| domain | ||
| loaders | ||
| schema | ||
| search | ||
| surveys | ||
| __init__.py | ||
| construction_age_band.py | ||
| efficiency.py | ||
| floor.py | ||
| fuel.py | ||
| heating_controls.py | ||
| hotwater.py | ||
| main_heating.py | ||
| property_type_built_form.py | ||
| roof.py | ||
| walls.py | ||
| windows.py | ||