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Removes Location input for tankless water heaters - #2291

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shorowit merged 5 commits into
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tankless-wh-loc
Oct 26, 2026
Merged

shorowit merged 5 commits into
masterfrom
tankless-wh-loc

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@shorowit

@shorowit shorowit commented Oct 23, 2026 •

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Pull Request Description

Closes #2290. Removes Location input for "instantaneous water heater" and "space-heating boiler with tankless coil" water heater types.

No simulation diffs expected.

Checklist

Not all may apply:

  • Schematron validator (EPvalidator.sch) has been updated
  • Sample files have been added/updated (openstudio tasks.rb update_hpxmls)
  • Tests have been added/updated (e.g., HPXMLtoOpenStudio/tests/test*.rb and/or workflow/tests/test*.rb)
  • Documentation has been updated
  • Changelog has been updated
  • openstudio tasks.rb update_measures has been run
  • No unexpected changes to simulation results of sample files

…heating boiler with tankless coil" water heater types; it does not affect the model.
…HPXML into tankless-wh-loc

# Conflicts:
#	Changelog.md
#	HPXMLtoOpenStudio/measure.xml
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shorowit marked this pull request as ready for review October 26, 2026 14:37

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🟡 Changes recommended

Conditional location documentation must remain because the input still affects auxiliary storage-tank losses and zone heat gains.

1 open issue
What changed in this PR

This PR addresses #2290 by removing tankless water-heater Location entries from documented inputs and sample files, with no intended simulation changes.

Changes:

  • Removes location entries from tankless samples and deletes two outside-location variants.
  • Updates sample generation inputs and removes location assertions from water-heater tests.
  • Updates input documentation, the changelog, and measure metadata.
File Description
workflow/​sample_files/​base-dhw-tankless-propane.xml Removes tankless location.
workflow/​sample_files/​base-dhw-tankless-gas.xml Removes tankless location.
workflow/​sample_files/​base-dhw-tankless-gas-with-solar.xml Removes location from solar-assisted sample.
workflow/​sample_files/​base-dhw-tankless-gas-with-solar-fraction.xml Removes location from solar-fraction sample.
workflow/​sample_files/​base-dhw-tankless-gas-ef.xml Removes location from gas EF sample.
workflow/​sample_files/​base-dhw-tankless-electric.xml Removes tankless location.
workflow/​sample_files/​base-dhw-tankless-electric-outside.xml Deletes outside-location sample.
workflow/​sample_files/​base-dhw-tankless-electric-ef.xml Removes location from electric EF sample.
workflow/​sample_files/​base-dhw-tankless-detailed-setpoints.xml Removes location from detailed-setpoint sample.
workflow/​sample_files/​base-dhw-multiple.xml Removes locations from tankless heaters.
workflow/​sample_files/​base-dhw-desuperheater-tankless.xml Removes location from desuperheater sample.
workflow/​sample_files/​base-dhw-combi-tankless.xml Removes tankless-coil location.
workflow/​sample_files/​base-dhw-combi-tankless-outside.xml Deletes outside-location sample.
workflow/​sample_files/​base-bldgtype-mf-whole-building-fuels.xml Removes tankless locations across dwelling units.
workflow/​sample_files/​base-bldgtype-mf-unit-shared-boiler-only-baseboard-combi-tankless.xml Removes shared-boiler tankless-coil location.
workflow/​hpxml_inputs.json Clears inherited locations and removes deleted samples.
tasks.rb Aligns sample-generation customizations.
HPXMLtoOpenStudio/​tests/​test_water_heater.rb Removes tankless ambient-zone assertions.
HPXMLtoOpenStudio/​measure.xml Refreshes version metadata and test checksum.
docs/​source/​workflow_inputs.rst Removes tankless location rows and footnotes.
Changelog.md Records the input removal.

Review effort: Balanced

Comment thread docs/source/workflow_inputs.rst
@shorowit
shorowit merged commit 756538f into master Oct 26, 2026
@shorowit
shorowit deleted the tankless-wh-loc branch October 26, 2026 15:54
@github-project-automation github-project-automation Bot moved this from Triage to Done in OpenStudio-HPXML Oct 26, 2026
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Remove Location for some water heater types

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