SWHC044 & SWHC045 Baseline Updates – Hydronic Heating by behzadsalimian · Pull Request #130 · sound-data/DEER-Prototypes-EnergyPlus

behzadsalimian · 2025-10-20T21:52:47Z

Pull Request (PR) Description

Overview

This pull request adds additional baseline cases for SWHC044 and SWHC045, incorporating hydronic heating via radiator or fan coil as a baseline case for multifamily buildings. The hydronic cases now leverage the templatized residential prototypes provided by TRC in sound-data#110.

Main Contributor Email: brizi@solaris-technical.com

Summary of Changes

Test Runs: TRC prototypes tested using HP Combi folder
Baseline Changes: Applied baseboard radiator object (ZoneHVAC:Baseboard:Convective:Water) to templates (res-zone-hvac-combi.pxt)
New Parameter: sub_heat_type added to templates; logic implemented for BASEBOARD-WATER.
HVAC Logic: Updated branches/branch lists; added hot water fan coil (hydronic air handler) setup and sequencing.
Heating Source: Parametrized boiler efficiency, boiler efficiency curve and efficiency curve temperature evaluation variable to switch between condensing and non-condensing boiler type.
Measure Updates: Transitioned model setup for SWHC045 from SWHC049 folder (which used the individual building type and HVAC type specific prototypes) and SWHC044 from SWHC050 folder. All the techIDs required to reproduce SWHC044 and SWHC045 base case or measure case models were defined as cases in these new folders using the templatized residential prototypes.
Secondary Zone Handling: Radiator as a zone equipment was assigned to secondary zones and all the nodes, branch connections and equipment sequencing (ZoneHVAC:EquipmentList) were developed accordingly.
Documentation: README added to describe workarounds and reproduce results.

Key Assumptions (SWHC044)

Gravity Wall Furnace
o Infinite fan efficiency used to achieve zero fan power; EnergyPlus limits efficiency ≤1.
o Alternative: setting fan pressure = 0 achieves same result.
Window AC
o EER assumed 11, representing mid-range (0–7,999 Btu/h) residential units.
o Converted to COP (cooling) = 3.72.

Pull request review checklists

Repository Owner

Label the PR with at least one of the following: New Measure, Bug, or Feature.
- New Measure
Assign a reviewer.

PR Author

Make sure the PR branch is up to date with main branch at the time of the PR submission
Craft a succinct title that effectively encapsulates the essence of the pull request, providing a general overview of the proposed changes.
Label the PR with at least one of the following: New Measure, Bug, or Feature.
Provide a concise description of the measure, bug, or feature. Submit one PR per measure.
For a new measure, attach a workbook named DEER_EnergyPlus_Modelkit_Measure_list_working.xlsx, containing only rows used for post-processing the measure.
Add comments in the code when necessary to facilitate the review process.
Add a comment before the added code, including the author's full name, company, and specifying if it's a bug fix, new measure, or feature.
For a new feature or bug, demonstrate the impact on energy consumption for selected cases with justification using plots and descriptions.
- See eTRM (SWHC044 & SWHC045)
For a new measure, add a summary table showing total energy consumption per simulated case.
- See eTRM (SWHC044 & SWHC045)

PR Reviewer

Conduct a thorough code review.
If the branch is behind the main, merge the branch locally to check for potential conflicts.
If a bug, locally reproduce it and compare energy consumptions before and after.
Explore creative ways to stress-test the code.
Locally check the error file and other outputs.

Extracted changes to templates from original commit by Justin DeBlois: Original commit 3699fd7 on 2025-05-14 Combi HP measure - Adjust DHW setpoint control in cases file and fix template paths

…tor) object

…ation variable" and "boiler efficiency curve"

…er setup

…ed in the prototype.

…le:file

…der)

…nt version

Develop HVAC baselines rDXHW using updated prototypes - Develop rDXHW hydronic radiator (boiler, hot water, no fan) baseline in MFm-1985-combi prototypes and templates - Extend parameterized options for rDXHW hydronic fan coil (boiler, hot water, fan coil) baseline in MFm-1985-combi prototypes and templates - Transition SWHC045 definitions from SWHC049 plus new baselines - Transition SWHC044 definitions from SWHC050 plus new baselines - Initial testing and QC

nfette

The changes to add a TechID at 80 AFUE bypassed internal review. Please see comments.

nfette · 2025-12-17T17:35:46Z

...eat Pump HVAC Fuel Sub/SWHC045 Heat Pump HVAC Fuel Sub_SFm_1985/cases/SFm&1&rDXHW&Ex&DHW.csv

+#,RE-dxHP_equip-pkgSEER-15.2-SEER2-7.7-HSPF2,DX,,,,,,,,4.11,4.05,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-16.0-SEER2-8.0-HSPF2,DX,,,,,,,,4.22,4.11,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-16.9-SEER2-8.1-HSPF2,DX,,,,,,,,4.33,4.13,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-17.8-SEER2-8.1-HSPF2,DX,,,,,,,,4.43,4.13,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-18.7-SEER2-8.5-HSPF2,DX,,,,,,,,4.51,4.19,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-19.6-SEER2-8.9-HSPF2,DX,,,,,,,,4.58,4.24,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,


Uncomment these rows if they are still used in measure savings. I assume this was just a temporary change to avoid re-running those models.

Uncommented.

nfette · 2025-12-17T17:35:58Z

...eat Pump HVAC Fuel Sub/SWHC045 Heat Pump HVAC Fuel Sub_SFm_1985/cases/SFm&2&rDXHW&Ex&DHW.csv

+#,RE-dxHP_equip-pkgSEER-15.2-SEER2-7.7-HSPF2,DX,,,,,,,,4.11,4.05,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-16.0-SEER2-8.0-HSPF2,DX,,,,,,,,4.22,4.11,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-16.9-SEER2-8.1-HSPF2,DX,,,,,,,,4.33,4.13,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-17.8-SEER2-8.1-HSPF2,DX,,,,,,,,4.43,4.13,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-18.7-SEER2-8.5-HSPF2,DX,,,,,,,,4.51,4.19,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,
+#,RE-dxHP_equip-pkgSEER-19.6-SEER2-8.9-HSPF2,DX,,,,,,,,4.58,4.24,0.25,0.5,,FALSE,TRUE,VFD_Fan_Curve,multispeed,unitary_system,,,,,,,


Uncomment these rows

Uncommented.

nfette · 2026-03-26T01:21:43Z

Should we rename the measure folders to include measure version?

git mv "residential measures/SWHC044 Ductless HVAC Fuel Sub" "residential measures/SWHC044-07 Ductless HVAC Fuel Sub"
git mv "residential measures/SWHC045 Heat Pump HVAC Fuel Sub" "residential measures/SWHC045-06 Heat Pump HVAC Fuel Sub"

Justin-DeBlois and others added 28 commits May 12, 2025 17:10

Root files and templates for SWWH037-01

950ecd2

Rename water heater combi template files

e3ac7e8

Extracted changes to templates from original commit by Justin DeBlois: Original commit 3699fd7 on 2025-05-14 Combi HP measure - Adjust DHW setpoint control in cases file and fix template paths

Added radiator object as zone equipment

1cf4ec0

Added Radiator folder

2111f70

Added sub_heat_type parameter to develope baseboard convective (radia…

c85afce

…tor) object

Parametrized "boiler efficiency", "efficiency curve temperature evalu…

09dc14f

…ation variable" and "boiler efficiency curve"

Created techIDs for SWHC044 including existing and new techIDs.

5b61d8e

Added modelkit-config, global.pxv and rakefile.rb to the measure fold…

5dcf0ad

…er setup

Added modelkit-config, global.pxv and rakefile.rb to the measure fold…

437047c

…er setup

Created/updated techIDs and their parameters in the cases files

301c066

Created/updated techIDs and their parameters in the cases files

030d592

Added a comment for baseboard-resistance which is not fully implement…

60b736e

…ed in the prototype.

Remove Radiator folder and related files

73cde80

Assigned ZoneHVAC:Baseboard:Convective:Water to the secondary zones.

e1d7856

Assigned ZoneHVAC:Baseboard:Convective:Water to the secondary zones.

1569750

Adjust the if statement for the branch to consider two architectures

b3bfd28

Created README file to address the relative path issue for the schedu…

0da5cd6

…le:file

Formatting README files for SWHC044 and SWHC045

b102fcd

Restore object naming convention for boiler perf curve + formatting

f345d6c

Clarify parameter options

d09857a

Expose $repository_dir as global variable

208dfdd

Node name consistency between secondary zone baseboard and branch

c79ffaf

Resolve warning regarding ScheduleTypeLimits available from prototype

2191773

Make schedule file path more robust (in conjunction with rakefile)

1275240

Remove duplicate copies of result.py (available in shared scripts fol…

4c1b5ad

…der)

Move result2.py duplicates to measure folder level and update to rece…

b0ea972

…nt version

Revised gas furnace efficiency for the standard case

f05842f

nfette suggested changes Dec 17, 2025

View reviewed changes

Removed comments(#)for the measure techIDs

3b79839

nfette approved these changes Jan 22, 2026

View reviewed changes

Removed boiler techIDs as the baseline for the SFm building types.

e84ca85

sepideh-QEA merged commit bd97c90 into sound-data:main Mar 26, 2026

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SWHC044 & SWHC045 Baseline Updates – Hydronic Heating#130

SWHC044 & SWHC045 Baseline Updates – Hydronic Heating#130
sepideh-QEA merged 30 commits intosound-data:mainfrom
simularis:solaris-HVAC-rDXHW-v2

behzadsalimian commented Oct 20, 2025

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nfette commented Mar 26, 2026

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behzadsalimian commented Oct 20, 2025

Pull Request (PR) Description

Overview

Summary of Changes

Key Assumptions (SWHC044)

Pull request review checklists

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nfette commented Mar 26, 2026

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