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
13081
questions
Tagged
1k
views
1
answer
no
votes
2025-09-09 10:20:48 -0500
Alex Vlachokostas
number of parking spaces per building type in EnergyPlus
buildings
evs
parking
electrical-consumption
914
views
no
answers
no
votes
2025-09-07 17:27:02 -0500
mep_engineer
semi-transparent PV on rooftop
bipv
energyplus
openstudio
openstudio-application
transmittance
956
views
1
answer
1
vote
2025-09-09 02:02:37 -0500
Julien Marrec
Assertion Failed on Line 313 in ZoneHVACEquipmentList
openstudio
application-error
openstudio-application
zone-hvac
measure
819
views
no
answers
no
votes
2025-09-08 20:19:58 -0500
faulty_measure
Error 403 forbidden while asking a question
error
website
984
views
no
answers
no
votes
2025-09-08 20:26:30 -0500
faulty_measure
Issues running OpenStudio-fault-measure-gem
fault-measure-openstudio-version
openstudio
openstudio-measure
cooling-coil
severe-error
1k
views
no
answers
no
votes
2025-09-09 10:45:44 -0500
yunrensui2-c@my.cityu.edu.hk
OpenStudio 1.6.0 application won’t start via .exe on Windows [closed]
openstudio
openstudio-application
application-error
installation
bug-report
1k
views
no
answers
no
votes
2025-09-09 10:48:08 -0500
yunrensui2-c@my.cityu.edu.hk
OpenStudio 1.6.0 application won’t start via .exe on Windows [closed]
openstudio
openstudio-application
application-error
installation
bug-report
1k
views
1
answer
no
votes
2025-09-24 09:13:13 -0500
antonszilasi
OpenStudio 1.6.0 application won’t start via .exe on Windows
openstudio
openstudio-application
application-error
installation
bug-report
1k
views
no
answers
1
vote
2025-09-10 00:17:21 -0500
angelson
Why fault measures are not commutative and how to interpret the results?
operational-fault
openstudio
openstudio-measure
1k
views
1
answer
no
votes
2025-09-13 13:51:57 -0500
mep_engineer
PAT error "complete datapoint failure"
pat
openstudio-pat
parametric-analysis
application-error
1k
views
no
answers
no
votes
2025-09-11 02:52:50 -0500
Selma Inger
Energyplus Python-EMS Library Import
energyplus
python
ems
machine-learning
energyplus-api
29
views
no
answers
no
votes
2025-10-03 10:20:09 -0500
Aaron Boranian
Refrigeration water cooled condenser [deleted]
refrigeration
energyplus
plant-loop
hvac-control
heat-recovery
1k
views
1
answer
1
vote
2025-09-13 06:02:44 -0500
Denis Bourgeois
The (tbd.zip) and (tbd.tar.gz), where should these be uploaded? Also how to correctly download these when you already have an older version of the TBD in your C:\Users\Admin\OpenStudio\Measures directory?
openstudio
tbd
thermal-bridge
openstudio-measure
heat-transfer
1k
views
1
answer
1
vote
2025-09-16 15:02:19 -0500
shorowit
Battery Energy Storage Systems: demand limit during day, charge overnight
designbuilder
energyplus
electricloadcenter
photovoltaic
battery
1k
views
1
answer
1
vote
2025-09-23 08:12:58 -0500
ericmartinpe
Bifacial PV in EnergyPlus
bipv
energyplus
photovoltaic
813
views
no
answers
no
votes
2025-09-15 16:28:24 -0500
Aaron Boranian
“Hybrid” EnergyPlus Output Files not being generated
energyplus
output
linux
python-plugin
batch-run
828
views
no
answers
no
votes
2025-09-16 14:40:25 -0500
Rob.Newton-Nomura
Modelling a Ground Heat Exchanger in saturated soil/wetland
energyplus
openstudio
829
views
1
answer
1
vote
2025-09-23 09:05:22 -0500
Behnam
Are Boiler Efficiencies in EnergyPlus Based on LHV or GCV?
boiler
energyplus
efficiency
755
views
1
answer
1
vote
2025-09-19 07:07:02 -0500
Luís Filipe Sousa
How to set up an Hybrid ventilation unit in design Builder
designbuilder
detailed-hvac
hybrid
ventilation
hvac-control
707
views
no
answers
no
votes
2025-09-18 13:00:02 -0500
Javed
Water cooled DX coil in E+
energyplus
dx-coil
cooling-coil
2k
views
no
answers
no
votes
2025-09-22 09:06:11 -0500
Aaron Boranian
jeplus will not stop simulation after adding rvx item
jeplus
energyplus
commercial-prototype-building
rvx-file
490
views
no
answers
3
votes
2025-09-23 03:17:25 -0500
Keigo
ZoneHVAC:ExhaustControl does not work
energyplus
bug-report
fan-operation
378
views
no
answers
no
votes
2025-09-23 16:44:34 -0500
KLim
os:table Disconnected [closed]
performance-curve
openstudio
openstudio-application
vrf
performance-data
467
views
1
answer
1
vote
2025-09-25 05:21:23 -0500
Julien Marrec
VRF Performance Curve, os:table input
performance-curve
openstudio
openstudio-application
vrf
performance-data
406
views
1
answer
no
votes
2025-09-25 12:04:23 -0500
Aaron Boranian
Constant COP of Cooling Coil
cooling-coil
energyplus
performance-curve
performance-data
coefficient-of-performance
360
views
no
answers
1
vote
2025-09-25 16:09:41 -0500
jaksaaa555
How to represent a tree shading properly
shading-control
shading
tree
sketchup-shading
energyplus
116
views
no
answers
1
vote
2025-09-30 16:22:14 -0500
periggy
EMS for Changing Wall Conductivity: Incompatible CTF terms
ems
insulation
energyplus
ems-control
construction
57
views
1
answer
1
vote
2025-10-05 06:55:43 -0500
Greg Estep
Setpoint Manager on the demand side of the hot water loop in DesignBuilder
designbuilder
setpoint-manager
hot-water-loop
outdoor-temperature
hvac-control
98
views
1
answer
1
vote
2025-10-02 11:07:18 -0500
ericmartinpe
Coil cooling rate results higher than autosize values
cooling-capacity
unitary-system
energyplus
design-day
autosizing
66
views
1
answer
1
vote
2025-10-02 03:28:50 -0500
Luís Filipe Sousa
How to connect Zone Water-to-Air Heat Pump to individual zones instead of a Zone Group in DesignBuilder?
zone
water-to-air
heat-pump
designbuilder
zone-hvac
« previous
1
...
433
434
435
436
437
next page »
Training Workshops
Contributors
Tags
energyplus
×15
openstudio
×11
openstudio-application
×7
application-error
×5
bug-report
×4
designbuilder
×4
cooling-coil
×3
hvac-control
×3
installation
×3
openstudio-measure
×3
performance-curve
×3
performance-data
×3
bipv
×2
ems
×2
photovoltaic
×2
vrf
×2
zone-hvac
×2
autosizing
×1
batch-run
×1
battery
×1
boiler
×1
buildings
×1
coefficient-of-performance
×1
commercial-prototype-building
×1
construction
×1
cooling-capacity
×1
design-day
×1
detailed-hvac
×1
dx-coil
×1
efficiency
×1
electrical-consumption
×1
electricloadcenter
×1
ems-control
×1
energyplus-api
×1
error
×1
evs
×1
fan-operation
×1
fault-measure-openstudio-version
×1
heat-pump
×1
heat-recovery
×1
heat-transfer
×1
hot-water-loop
×1
hybrid
×1
insulation
×1
jeplus
×1
linux
×1
machine-learning
×1
measure
×1
openstudio-pat
×1
operational-fault
×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
×
