First time here? Check out the
Help
page!
Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Hi there! Please sign in
help
tags
users
badges
ALL
UNANSWERED
Ask Your Question
RSS
Sort by »
date
activity
answers
votes ▼
13300
questions
Tagged
353
views
1
answer
2
votes
2025-05-26 03:44:11 -0500
Julien Marrec
Access to a warmUpFlag to pass in an FMU cosim
warmup
energyplus
energyplus-to-fmu
ems-control
external-interface
713
views
1
answer
2
votes
2025-06-02 13:19:21 -0500
ericmartinpe
Thermal Bridging Calculation for Wall U factor of ASHRAE 90.1 OfficeSmall Prototype
thermal-bridge
energyplus
commercial-prototype-building
building-envelope
427
views
2
answers
2
votes
2025-06-06 10:29:52 -0500
Behnam
Hourly base operation schedule for Hourly Control of PV and Battery Operation in ElectricLoadCenter Objects::PVWatts, distribution, and NCM LiIon batteries
pvwatts
schedule
energyplus
photovoltaic
demand-response
538
views
2
answers
2
votes
2025-06-19 14:49:11 -0500
ericmartinpe
Local Energy Flexibility Market Capabilities in EnergyPlus
demand-response
energyplus
photovoltaic
377
views
no
answers
2
votes
2025-06-11 20:47:58 -0500
Greg Estep
Has anybody worked on a project adhering to ASHRAE 209?
heat-recovery
energyplus
designbuilder
ashrae-209
470
views
1
answer
2
votes
2025-06-20 09:53:28 -0500
pmck
Trouble using VRF components from the BCL in OpenStudio app v1.9
vrf
openstudio
openstudio-application
bcl
component
429
views
1
answer
2
votes
2025-06-28 13:48:14 -0500
nemo
"Bad allocation" error in EnergyPlus 25.1 with hydronic radiant floor + air-to-water heat pump
energyplus
radiant-heating
air-to-water-heat-pump
sizing-error
low-temperature-radiant
1k
views
1
answer
2
votes
2025-08-21 06:57:23 -0500
Denis Bourgeois
... Python OpenStudio bindings: surface.vertices() -> tuple?
openstudio-sdk
python
geometry
vertex
297
views
1
answer
2
votes
2025-07-05 13:11:28 -0500
Greg Estep
ASHRAE 90.1-2010 – Recirculation in Baseline Systems 4 and 6?
ashrae-90.1
baseline
recirculating
296
views
1
answer
2
votes
2025-07-08 08:49:02 -0500
Zakaria
No Change in Zone Air Relative Humidity When Modifying Rated RH in AirChiller Object
air-chiller
refrigeration-equipment
cooling-capacity
energyplus
humidity-control
292
views
1
answer
2
votes
2025-07-21 10:17:07 -0500
shorowit
Dview not opening on new Windows 11 machine
beopt
dview
application-error
ms-windows
185
views
no
answers
2
votes
2025-07-22 11:11:00 -0500
QCeng
ERV and equipment sizing
openstudio
erv
design-day
zone-sizing
heating-load
269
views
1
answer
2
votes
2025-07-23 15:14:00 -0500
joseph-robertson
Whole MultiFamily Building Simulation in ResStock
resstock
multifamily
error
423
views
1
answer
2
votes
2025-07-26 15:18:15 -0500
shorowit
Are there Workflows or In-Depth Whitepapers on Modeling Air-to-Water Heat Pumps for Radiant Floor/ceiling/panel heating/cooling in EnergyPlus 25.1?
low-temperature-radiant
hydronic
energyplus
air-to-water-heat-pump
plant-loop
380
views
1
answer
2
votes
2025-07-31 14:47:28 -0500
Yapan
ResStock Multifamily Building Simulation Details
resstock
openstudio-hpxml
multifamily
1k
views
2
answers
2
votes
2025-08-26 03:13:36 -0500
PmP
PlantEquipmentOperation:OutdoorDryBulb
energyplus
severe-error
plant-equipment-operation
hvac-control
bug-report
1k
views
no
answers
2
votes
2025-09-15 13:51:04 -0500
ssjjjyyy
Thermal Zone not fully enclosed when more than one Space in it
space
thermal-zone
openstudio-application
warning
geometry
1k
views
1
answer
2
votes
2025-09-03 19:58:27 -0500
Mitchal Dichter
Dual OpenStudio Application license and GNU GPLv3 Compliance
openstudio-application
328
views
1
answer
2
votes
2025-10-16 11:32:49 -0500
DariusLuo
Openstudio application 1.10 failed to start the measure manager
openstudio
openstudio-application
measure
429
views
1
answer
2
votes
2025-11-21 14:48:22 -0500
Ammar Deh
EnergyPlus Crashes When Adding Windows to Rotating Building Model Using Site:VariableLocation
energyplus
orientation
bug-report
fenestration
255
views
1
answer
2
votes
2025-11-03 10:58:16 -0500
jdlouhy
FanSystemModel preventing Air Loops Detail in openstudio_results from running
fan
openstudio
openstudio-application
openstudio-results
air-loop
194
views
no
answers
2
votes
2025-11-13 01:59:30 -0500
Keigo
Optimum Start Control for Appendix G Baseline
appendix-g
baseline
optimum-start
277
views
1
answer
2
votes
2025-11-21 11:33:14 -0500
Gio_GG
self discharge rate for battery
battery
energyplus
storage
310
views
1
answer
2
votes
2025-11-24 10:17:48 -0500
shorowit
Rotating PV in EnergyPlus
photovoltaic
energyplus
geometry
solar-distribution
411
views
1
answer
2
votes
2025-12-04 13:45:09 -0500
Gio_GG
ResStock building model generation
resstock
sampling
photovoltaic
battery
524
views
1
answer
2
votes
2025-12-01 11:23:57 -0500
shorowit
How does E+ determine wind pressure coefficients on surfaces that face an internal yard within the building?
natural-ventilation
energyplus
pressure
airflow-network
317
views
1
answer
2
votes
2025-11-27 03:17:28 -0500
PmP
Question About EMS:Sensor and People with Space/SpaceList in EnergyPlus 23.1+
people
ems
pmv
space
energyplus
189
views
no
answers
2
votes
2025-12-12 09:05:26 -0500
getEPW
Recent geolocation based EPW files
energyplus
weather-data
solar
wind
epw-file
386
views
no
answers
2
votes
2025-12-22 13:44:54 -0500
Aaron Boranian
Coil:Heating:DX:SingleSpeed output mismatch query
heating-coil
energyplus
ems-control
output-variable
defrost
426
views
2
answers
2
votes
2026-01-18 09:26:39 -0500
kwalkerman
EnergyPlus geometry GUI with IDF round-trip compatibility (Euclid replacement?)
euclid
sketchup
geometry
eppy
energyplus
« previous
1
...
213
214
215
216
217
...
444
next page »
Contributors
Tags
energyplus
×17
openstudio-application
×5
geometry
×4
openstudio
×4
photovoltaic
×4
resstock
×3
air-to-water-heat-pump
×2
baseline
×2
battery
×2
bug-report
×2
demand-response
×2
ems-control
×2
low-temperature-radiant
×2
multifamily
×2
space
×2
air-chiller
×1
airflow-network
×1
air-loop
×1
appendix-g
×1
application-error
×1
ashrae-209
×1
ashrae-90.1
×1
bcl
×1
beopt
×1
building-envelope
×1
commercial-prototype-building
×1
component
×1
cooling-capacity
×1
defrost
×1
designbuilder
×1
design-day
×1
dview
×1
ems
×1
energyplus-to-fmu
×1
eppy
×1
epw-file
×1
error
×1
erv
×1
euclid
×1
external-interface
×1
fan
×1
fenestration
×1
heating-coil
×1
heating-load
×1
heat-recovery
×1
humidity-control
×1
hvac-control
×1
hydronic
×1
measure
×1
ms-windows
×1
Site design and logo: Copyright © 2015 Big Ladder Software LLC. All rights reserved.
The
Unmet Hours
and
Big Ladder
names and logos are trademarks of Big Ladder Software LLC.
User contributions licensed under the
Creative Commons Attribution Share Alike 3.0 License
.
Powered by
Please note: Unmet Hours requires javascript to work properly, please enable javascript in your browser,
here is how
dummy
×
.jpg "dradair")
