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  1. Create Field for Qualitative Narrative

    It would be amazing if OpenStudio had a place to enter a running narrative about a given model.

    Often, models go through multiple iterations, several hands, and years of lapsed time through the life of a project. To have a field for qualitative data input would be so great as it would create a place for institutional memory that carries with the model.

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  2. Allow user to edit input fields for Ideal Loads Air System

    Ideal Air Loads is a powerful design tool to determine appropriate sensible and latent capacities to apply when simulating a system with defined energy model components. In the OS App, there is a check box to "Turn On Ideal Air Loads" for each Thermal Zone. After clicking this box, the respective ZoneHVAC:IdealLoadsAirSystem EnergyPlus object is created. However, all input fields for this object are left to the EnergyPlus defaults defined in the EnergyPlus IDD. This can be very limiting, such as when a user wants to apply Ideal Air Loads for humidification and dehumidification RH setpoints. Default dehumidification control is…

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  3. The application runtime, especially when opening the surfaces or subsurfaces tab, as well as the Sketchup plugin is really slow

    The application runtime, especially when opening the surfaces or subsurfaces tab, as well as the Sketchup plugin is really slow. Working with bigger models is currently impossible. A general speedup of the user interface would be a really great improvement.

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  4. add and/or reorganize OSApp Library OSMs by standard

    Problem: Models will often use space types from multiple building types but only one standard, which requires the user to load multiple library OSMs then find the objects for the specific standard (e.g. 90.1-2007).

    Rationale: It would be easier to instead load a library OSM that had all the objects for a specific standard.

    Solution: Add and/or reorganize the building type OSM library by standard.

    Pros and Cons of Solution:
    + may be easier for users
    - may be obsolete if OS deprecates the use of File > Load Library

    2 votes
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    0 comments  ·  OS App  ·  Admin →
  5. Built-In Air-Cooled Chiller Curve Incorrect

    At some point in recent versions, an air-cooled chiller object was built into the HVAC library. The issue is, one of the curves that's attached to that chiller causes the energy usage of the chiller to increase as the load on the chiller decreases. Seems like someone must have just grabbed the wrong curve when making that change.

    I don't think it's important specifically what curve is used, but the curve should at least be representative of the general behavior of a chiller. I'm attaching a chart comparing the value of this curve to a couple of other standard curves.…

    6 votes
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    1 comment  ·  OS App  ·  Admin →
  6. Improve drag and drop response time in OpenStudio

    When dragging and dropping model or library elements into an OpenStudio section (e.g. dropping a thermal zone into an air loop), the app takes several seconds to register before it allows further input. It makes the App annoying to use at times. Faster response (<0.25s) would improve usability.

    10 votes
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    1 comment  ·  OS App  ·  Admin →
  7. Add SwimmingPool:Indoor to OpenStudio App

    Add the EnergyPlus SwimmingPool:Indoor object into the OpenStudio Application to allows users to more accurately model indoor pool loads including humidification.

    13 votes
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    0 comments  ·  OS App  ·  Admin →
  8. Support for baseline compliance models

    Problem: Performance energy models for code compliance or rating programs (T24 CBECC-COM, 90.1, LEED), require specific model inputs for a baseline and proposed model. Other simulation software on the market is able to build these baseline models, and generate standard compliance reports. Often, these simulation softwares are selected for projects, not because they are nicer to work with or have greater modeling capability, but simply because the can generate a baseline model and report with all the embedded rules. OpenStudio/EnergyPlus would get much greater adoption if it could provide this functionality.

    Solution: Add a component to the OS App to…

    9 votes
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    0 comments  ·  OS App  ·  Admin →
  9. Improve grid views performance for big models

    Working with real models with 400+ spaces and 4000+ surfaces would be really helpful from grid views. Surprisingly, they are very slow with such size. More filters could be useful as well

    8 votes
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    2 comments  ·  OS App  ·  Admin →
  10. Custom zone and space grouping

    Problem: mass applying schedules, thermostats, space types, etc. to spaces and thermal zones requires selecting individual zones or using a regular expression filter using a measure. This can be time intensive, or require naming spaces/zones to match a filter.

    Solution: Allow creating custom zone or space groups, so one can mass apply schedules or objects to members of that group. Zones or spaces could be part of multiple groups.

    4 votes
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    0 comments  ·  OS App  ·  Admin →
  11. Zone list suport

    Zone lists are very useful instruments in E+. Would be great to see that OS supports their import and uses to assign similar characteristics in exported IDF as well (as sometimes we need to process them further out of OS)

    2 votes
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    0 comments  ·  OS App  ·  Admin →
  12. Sort plant/air loops alphabetically in the OS Interface

    Problem: it is frustrating/time-consuming to find a particular loop in the dropdown, becoming more difficult as the model becomes larger (with more loops)

    Solution: sort them numerically then alphabetically, each time a new loop is added to the model

    2 votes
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    2 comments  ·  OS App  ·  Admin →
  13. Allow editing multiple elements of same type withinin SketchUp plugin

    Currently if you select two of any model element (two spaces, two subsurfaces, etc) the Inspector tool reverts to the OS:Building view and you are not able to edit properties specific to the element type in your selection.

    I propose the plugin include a check to see whether all elements in the selection are of the same type, and if they are then allow the Inspector tool to be used to edit the properties of that element type. It would be very valuable, for instance, to be able to select a group of spaces or zone and modify a property…

    7 votes
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    0 comments  ·  OS App  ·  Admin →
  14. Allow several runPeriods

    Problem: right now you can only use one model `runPeriod`.

    Solution: Add ability to have several runPeriods.

    Context: It's extremely useful during iterative changes or troubleshooting. You might want to have for example a run for three days: one in winter (january), one in summer (july) and one in shoulder season (april). That would allow short runtime while still seeing different load conditions.

    Also, I could also see a case where you'd run for a week in each month (reduce runtime but without sacrificing the accuracy too much). The good thing about using several runPeriods in EnergyPlus (rather than launching…

    2 votes
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    1 comment  ·  OS App  ·  Admin →
  15. Disaggregate Energy and Demand by End-Use In calibration report

    Many energy models use external spreadsheets to visualize data when calibrating models. If the calibration report in OS disaggregated the end-uses spreadsheets would not be necessary.

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  16. Enable 'Hours of Operation' schedule in schedule set to modify other schedules

    According to Dan Macumber, the 'Hours of Operation' schedule in a schedule set was originally intended to act as a master schedule to modify the others in the set, but was never hooked up to operate that way. For buildings or spaces with irregular annual operation, it would be incredibly useful to define the operation in one place, rather than as multiple priority schedules for each applicable schedule.

    2 votes
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    0 comments  ·  OS App  ·  Admin →
  17. end-use subcategory

    Make end-use subcategory editable for all equipment, fan, etc , thanks

    4 votes
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    0 comments  ·  OS App  ·  Admin →
  18. Better support Compact Schedules

    Currently Compact Schedules are imported from IDF into OSM. The schedules can be used but they are not editable. At some point OpenStudio should convert all of these schedules to ScheduleRuleset so they can be edited.

    3 votes
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    1 comment  ·  OS App  ·  Admin →
  19. 7 votes
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    0 comments  ·  OS App  ·  Admin →
  20. delete Design Day Profile schedues

    This should be allowed by the GUI for usability and consistency with the Run Period Profiles.

    1 vote
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    0 comments  ·  OS App  ·  Admin →
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