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Natural ventilation enhancements#2152

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shorowit wants to merge 8 commits intomasterfrom
year_round_nat_vent
Open

Natural ventilation enhancements#2152
shorowit wants to merge 8 commits intomasterfrom
year_round_nat_vent

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@shorowit shorowit commented Jan 22, 2026

Pull Request Description

Addresses #917.

Adds a NaturalVentilationAvailabilitySeasons input w/ choices of "year-round", "cooling", or "heating". Defaults to year-round to align with ANSI 301-2025 (previously cooling months only). Also updates the default days/week assumption from 3 to 7 to align with ANSI 301-2025.

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

@shorowit shorowit moved this from Triage to In progress in OpenStudio-HPXML Feb 3, 2026
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