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2024-04-25 10:00:31 -0500 commented question Negative values of Peak Melting/Freezing Temperatures for PhaseChangeHysteresis

It's in the Energy+.idd file: https://github.com/NREL/EnergyPlus/blob/develop/idd/Energy%2B.idd.in

2024-04-24 09:55:15 -0500 answered a question Overhang and side shades for windows

After you've added a window, expand the component pane to see the details: You will find inputs for the depth of the

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2024-04-22 10:16:22 -0500 commented question radiance measures run-time error

Same issue as https://unmethours.com/question/48265/radiance-measure-doesnt-work/

2024-04-19 19:11:31 -0500 commented question Evaluating your results for accuracy

This kind of question has been asked a few times. For example, see here, here, and here.

2024-04-18 12:57:30 -0500 commented question Negative values of Peak Melting/Freezing Temperatures for PhaseChangeHysteresis

I don't know if there's a reason the model prohibits negative values, but I created a feature request here. As you obser

2024-04-18 10:25:04 -0500 answered a question in openstudio. is the output variable "zone air temperature" dry bulb temperature or wet bulb temperature?

Drybulb. It's generally agreed that when people say temperature without being further explicit, they mean drybulb. If th

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2024-04-17 22:02:14 -0500 commented question measure arguments for create_bar_from_building_type_ratios

Duplicate of https://unmethours.com/question/98748/measure-arguments-for-create_bar_from_building_type_ratios/

2024-04-11 09:13:17 -0500 edited question Four pipe fan coil with heating electric in OpenStudio

Four pipe fan coil with heating electric in opensudio Hello, I'm running a simulation where certain zones have fan coils

2024-04-11 09:13:04 -0500 edited question Four pipe fan coil with heating electric in OpenStudio

Four pipe fan coil with heating eletric in opensudio Hello, I'm running a simulation where certain zones have fan coils.

2024-04-10 12:32:05 -0500 commented answer Humidifier:Steam:Gas option "VariableInletWaterTemperature" not working (EnergyPlus)

If you haven't seen it, there are good build instructions on the Wiki.

2024-04-10 11:59:52 -0500 answered a question Humidifier:Steam:Gas option "VariableInletWaterTemperature" not working (EnergyPlus)

I ran your file and found that it's a bug in EnergyPlus. Indeed the Humidifier:Steam:Gas model will always use "FixedInl

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2024-04-04 14:13:29 -0500 commented answer Openstudio-Eri (Energy Rating Index calculation via OpenStudio/EnergyPlus)

Also, OpenStudio-ERI and the HPXML files are intended for software developers, not end users. There are several software

2024-04-04 12:10:12 -0500 commented answer Openstudio-Eri (Energy Rating Index calculation via OpenStudio/EnergyPlus)

OpenStudio-ERI and the HPXML files are intended for software developers, not end users. There are several software tools

2024-04-04 12:09:29 -0500 commented answer Openstudio-Eri (Energy Rating Index calculation via OpenStudio/EnergyPlus)

ERI calculations require very specific high-level inputs, which is what HPXML is intended for. OpenStudio models, on the

2024-04-04 09:26:17 -0500 answered a question Openstudio-Eri (Energy Rating Index calculation via OpenStudio/EnergyPlus)

You can't perform an ERI calculation, which requires running multiple energy simulations (e.g., Reference Home, Rated Ho

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2024-04-02 21:45:29 -0500 commented question Daylighting control and Glare control giving me the same energyconsumption

Duplicate of https://unmethours.com/question/98635/daylighting-control-and-glare-control-giving-me-the-same-energyconsum

2024-04-02 21:44:52 -0500 commented answer What are "Initial Design" and "Design" in the summary report when running Coincident sizing?

For what it's worth, there's at least one known issue for non-coincident sizing.

2024-04-02 11:37:05 -0500 commented question District Heating Water not found in report measures

This appears to be a known issue that is in the process of being fixed.

2024-04-02 11:34:59 -0500 answered a question How is the U-factor estimated for insulation cases classified as 'None' or 'Uninsulated' within the ResStock tool, and what assumptions or default values are used in this estimation process?

For any given wall, there is a wall_assembly_r in options_lookup.tsv. For example, it's R-3.4 for an uninsulated wood st

2024-04-02 11:18:19 -0500 edited answer What are "Initial Design" and "Design" in the summary report when running Coincident sizing?

I found some information in the EnergyPlus documentation. First, there is the Plant Coincident Sizing Algorithm: A s

2024-04-02 11:17:18 -0500 received badge  Rapid Responder (source)
2024-04-02 11:17:18 -0500 answered a question What are "Initial Design" and "Design" in the summary report when running Coincident sizing?

I found some information in the EnergyPlus documentation. First, there is the Plant Coincident Sizing Algorithm: A spec

2024-04-01 12:56:00 -0500 edited answer Applying measures in Python workflow and simulating

There is no simple method to run an OpenStudio workflow using the SDK. Rather, you save the workflow to an OSW file: wo

2024-03-29 22:03:16 -0500 edited answer Applying measures in Python workflow and simulating

There is no simple method to call to run an OpenStudio workflow using the SDK. Rather, you save the workflow to an OSW f

2024-03-29 22:01:26 -0500 edited answer Applying measures in Python workflow and simulating

There is no simple method to call to run an OpenStudio workflow using the SDK. Rather, you save the workflow to an OSW f

2024-03-29 21:59:28 -0500 answered a question Applying measures in Python workflow and simulating

There is no simple method to call to run an OpenStudio workflow using the SDK. Rather, you save the workflow to an OSW f

2024-03-28 11:18:22 -0500 answered a question Where is MeasureStep in Python version of OpenStudio SDK?

What versions of OpenStudio and Python are you using? It works as expected for me. Linux: Windows:

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2024-03-25 16:13:28 -0500 commented answer How to create pitched roofs with floorpsacejs?

It's still not available today. There are some OpenStudio methods to support this, but Floorspace JS has not been update

2024-03-25 09:12:50 -0500 commented question I cant seem to add a pitch to the roof. Is that still a missing a feature?

See https://unmethours.com/question/36588/how-to-create-pitched-roofs-with-floorpsacejs/

2024-03-22 12:49:32 -0500 commented question BEopt "Error: Heating design loads do not sum to total." with a retrofit model.

Can you please link to your model via e.g. Google Drive or Dropbox?

2024-03-20 18:27:55 -0500 commented question EMS schedule for Natural Ventilation

What object is using the "Natural_Ventilation_Test" schedule? Hard to help without seeing more. Can you provide an IDF v

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2024-03-20 18:25:17 -0500 answered a question How does Resstock determine building aspect ratio?

ResStock currently assumes a dwelling unit aspect ratio of 1.8 (or 1/1.8=0.56 for some building types) as defined here i

2024-03-20 09:40:55 -0500 commented question EMS schedule for Natural Ventilation

What calling point are you using?

2024-03-18 09:52:44 -0500 commented answer Setting up Ruby Environment for Measures in Win 10 is Ruby 3.x supported?

@Redline The current plan is for OpenStudio 3.8 (planned release: May 17, 2024) to include ruby 3.2.2.

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2024-03-15 09:41:45 -0500 answered a question I get error: An unhandled exception has occurred.

The gbXML appears to have a date with the year set as 1, which doesn't make sense since it should be 2024 or similar. Yo

2024-03-14 08:33:39 -0500 commented answer Temperature control and CO2 control (EMS SCRIPT) not working together for Natural Ventilation

Ah, right. Glad you got it working. I only used AND because you had that in your original program and I’d didn’t think t

2024-03-13 09:45:29 -0500 answered a question Temperature control and CO2 control (EMS SCRIPT) not working together for Natural Ventilation

You can't have an EMS line that starts with AND. The EMS program should be: EnergyManagementSystem:Program, CO2_S

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2024-03-12 08:44:51 -0500 commented question FindRootSimpleController

Duplicate of https://unmethours.com/question/98460/findrootsimplecontroller/

2024-03-11 15:15:19 -0500 answered a question ** Severe ** vector too long

It's possible you are encountering an error that occurs when a zone or space has no surfaces; see here. There are some w

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2024-03-08 14:19:25 -0500 commented question Unable to determine fan air flow rate Error

I suggest opening an issue at https://github.com/NREL/EnergyPlus/issues. I'm not seeing any other users that have hit th

2024-03-08 10:58:23 -0500 edited answer Plant Component EMS On/Off - Openstudio

First of all, you should not be using commas and semicolons in the addLine methods -- OpenStudio will do that for you.