eda07d12dc
SAP 10.2 Table 4e Group 3 (PDF p.173) — heat-network control codes
2301-2314 dispatch to control_type 1, 2, or 3. Code 2306 = "Charging
system linked to use of heating, programmer and TRVs" →
control_type=3, temperature_adjustment=0. Per Table 9 the elsewhere-
zone off-hours depend on control_type: type 1/2 → (7, 8); type 3 →
(9, 8). The two extra off-hours change the §7 (90) T_rest mean by
~0.6 K → (92) MIT by ~0.4 K → (98) SH demand by ~390 kWh/yr.
Pre-slice diagnosis: cascade defaulted `main_heating_control=2`
(modal RdSAP) when the §14.0 "Main Heating Controls Sap" field was
empty. The 5 community heating corpus variants ALL lodge the SAP
code in §14.1 Community Heating "Heating Controls SAP" instead
(format: bare 4-digit integer, e.g. "2306"). The extractor was
storing this in `CommunityHeating.heating_controls_sap` but the
mapper only read `mh.heating_controls_sap` (§14.0).
Two changes:
1. `_elmhurst_sap_control_code` extended to accept bare 4-digit form
("2306") in addition to the §14.0 narrative form ("SAP code 2106,
Programmer, room thermostat and TRVs"). Empty-string returns None
instead of swallowing through the original `re.match` regex.
2. `_map_elmhurst_sap_heating` falls through to
`mh.community_heating.heating_controls_sap` when the §14.0 main
block leaves `heating_controls_sap` empty.
Closures (heating-systems corpus 001431):
CH1 ΔSAP_c -1.0572 → +0.0000 EXACT
Δcost +£24.36 → -£0.00 EXACT
CH3 ΔSAP_c -1.0572 → +0.0000 EXACT
Δcost +£24.36 → -£0.00 EXACT
CH2/CH4 SAP-side flip ±0.42 → ±0.53 (CHP-split blend reacts to
the now-lower SH demand × CHP rate)
CH6 ΔSAP_c -8.4406 → -7.4942 (DLF=1.0 P960 quirk untouched)
Remaining CH1/CH3 ΔCO2 -23.60 / ΔPE -208.23 is the §13a (372)
"Electrical energy for heat distribution" line (118.38 kWh × electric
factors 0.1993 CO2 / 1.760 PE). Cascade doesn't currently meter this
electricity overhead separately from heat-network heat — next slice.
932 pass + 0 fail (+5 new mapper tests). No regressions on the other
36 corpus variants — the mapper change is gated on `mh.community_
heating is not None` and only fires when §14.0 leaves the control
field empty. Pyright net-zero on mapper.py + corpus test.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| .github/workflows | ||
| .idea | ||
| .vscode | ||
| applications | ||
| asset_list | ||
| backend | ||
| backlog | ||
| datatypes | ||
| deployment/terraform | ||
| docs | ||
| domain | ||
| epr_data_exports | ||
| etl | ||
| infrastructure | ||
| model_data/requirements | ||
| orchestration | ||
| recommendations | ||
| repositories | ||
| scripts | ||
| sfr/principal_pitch | ||
| survey_report | ||
| tests | ||
| utilities | ||
| utils | ||
| .coveragerc | ||
| .dockerignore | ||
| .gitignore | ||
| __init__.py | ||
| ara_backend_design.md | ||
| BaseUtility.py | ||
| CLAUDE.md | ||
| conftest.py | ||
| CONTEXT.md | ||
| devcontainer.sh | ||
| Dockerfile.test | ||
| Dockerfile.test.dockerignore | ||
| Makefile | ||
| MEMORY.md | ||
| package-lock.json | ||
| package.json | ||
| pyproject.toml | ||
| pyrightconfig.json | ||
| pytest.ini | ||
| README.md | ||
| run_lambda_local.sh | ||
| serverless.yml | ||
| test.requirements.txt | ||
| tox.ini | ||
| UBIQUITOUS_LANGUAGE.md | ||
Model Repository
This repository contains the code pertaining to the development of the data science and machine learning products being utilised by Hestia.
The different folders in this repository relate to services that can be used independently, or can be imported and used as part of a larger application
Getting Started
Prerequisites
Dev Container Setup
This repo uses a Docker Compose-based dev container. The model-backend service joins a shared-dev Docker network so it can communicate with other local services (e.g. a frontend container) running on your machine.
VS Code users: The initializeCommand in devcontainer.json creates the shared-dev network automatically before the container starts. No manual step required — just open the repo and select Reopen in Container.
Non-VS Code / CI workflows: Run the following once before starting the container:
make dev-setup
This is idempotent and safe to re-run if the network already exists.
Folders
backend/
This folder contains the code for the fastapi backend service, which provides an interface to much of the functionality in this repository, for the frontend
model_data/
This folder contains related to the reading and preparation of assessment model data, including pulling out epc attributes
Testing
All tests can be run, against the configuration in pytest.ini running
pytest
This will run the complete panel of tests and report on coverage in the locations specified by the pytest.ini file.
To run tests in a specific service, e.g. inside of model_data, simply run
pytest --cov-config=model_data/.coveragerc --cov=model_data
This will produce the test results and coverage reports