v3.4.0 Changelog
v3.4.0
Released: 2024-12-02characteristics
[characteristics] [bugfix] ¶
Date: 2024-09-24
Title: Fix Hot Water Fixtures multipliers
Description: Mean-shift hot water usage multipliers distribution by increasing weighted average from 0.8 to 1.0 in Hot Water Fixtures.tsv.
resstock-estimation: pull request 420
Assignees: Lixi Liu
References: #1236, pull request 1265
[characteristics] [bugfix] [floor area] ¶
Date: 2024-09-23
Title: Fix RECS floor area bins
Description: RECS have been using incorrect floor area bins when assigning some characteristics due to a bug on how floor area bin is calculated. This PR fixes the issue.
resstock-estimation: pull request 424
Assignees: Rajendra Adhikari, Anthony Fontanini
References: #1273, pull request 1301
workflow
[workflow] [feature] [hot water] ¶
Date: 2024-09-04
Title: Latest OS-HPXML
Description: For hot water end uses OS-HPXML now directly uses equations from https://www.fsec.ucf.edu/en/publications/pdf/fsec-pf-464-15.pdf, that are a function of number of occupants, for operational calculations.
OpenStudio-HPXML: pull request 1761
Assignees: Joe Robertson
References: pull request 1282
[workflow] [feature] [plug loads] ¶
Date: 2024-09-26
Title: Latest OS-HPXML
Description: For TV plug loads, we are now using OS-HPXML defaults that directly use equations from RECS 2020 that are a function of number of occupants and conditioned floor area. For operational calculations in general, we are also updating the relationships between number of bedrooms/occupants based on RECS 2020 and disaggregated by building types.
OpenStudio-HPXML: pull request 1690, pull request 1775
Assignees: Joe Robertson
References: pull request 1298
[workflow] [feature] [hvac] ¶
Date: 2024-09-27
Title: Heating and Cooling Unavailable Days
Description: The purpose of this PR is to account for dwelling units whose HVAC system (heating/cooling) is unavailable for some number of days during the year (per RECS 2020). Specifically, this PR modifies HVAC heating/cooling seasons using number of unavailable days and BAHSP definition for heating/cooling months.
resstock-estimation: pull request 416
Assignees: Joe Robertson
References: pull request 1254
[workflow] [feature] [hvac] ¶
Date: 2024-11-14
Title: Assign above-grade height for apartment units
Description: The purpose of this PR is to set a value in ResStockArguments for apartment units based on the type/size of MF building and where the unit is located (lower, middle, or upper story).
References: #1303, pull request 1304
[workflow] [bugfix] [infiltration] ¶
Date: 2024-08-20
Title: Air leakage type “unit total”
Description: Update options_lookup and ResStockArguments to use “unit total” air leakage type instead of the current “unit exterior only” type w/ infiltration adjustment approach. Modeled infiltration for dwelling units now have an upper bound equal to the sampled ACH50 option. Update BuildExistingModel to register adjusted total infiltration ACH50 value.
Assignees: Joe Robertson
References: pull request 1257
software
[software] [feature] [openstudio] ¶
Date: 2024-11-19
Title: Latest OS-HPXML
Description: Update to OpenStudio-HPXML 1.9/OpenStudio 3.9/EnergyPlus 24.2.
OpenStudio-HPXML: pull request 1883
Assignees: Joe Robertson, Scott Horowitz
References: pull request 1318