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
13267
questions
Tagged
844
views
no
answers
no
votes
2025-05-12 07:46:52 -0500
Alex89
OpenStudio Error when using Low Temp Radiant Var Flow- HVAC system, possible bug?
openstudio
bug-report
low-temperature-radiant
energyplus
idf-editor
318
views
no
answers
1
vote
2025-05-10 14:21:23 -0500
Samir
Request for OpenStudio/EnergyPlus/DesignBuilder File of a Vented Double Skin Façade
openstudio
energyplus
designbuilder
double-skin-facade
176
views
no
answers
no
votes
2025-05-10 14:18:40 -0500
Samir
Request for OpenStudio/EnergyPlus/DesignBuilder File of a Vented Double Skin Façade [closed]
openstudio
designbuilder
energyplus
double-skin-facade
151
views
no
answers
no
votes
2025-05-09 08:17:33 -0500
Alex89
Whats a realistic powerusage for Fans in PTAC Cooling
energyplus
openstudio
cooling
ptac
fan
321
views
1
answer
no
votes
2025-05-09 08:58:52 -0500
Aaron Boranian
PRM 90.1 2019 measure from PNNL on Openstudio
openstudio-measure
openstudio-standards
error
200
views
no
answers
no
votes
2025-05-08 12:18:59 -0500
PB
Create or modify a Design Day File
design-day
openstudio
energyplus
weather-file
207
views
no
answers
1
vote
2025-05-08 11:21:09 -0500
dradair
PVVT Heating Airflow modulation
equest
air-flow
unmet-hours
397
views
1
answer
1
vote
2025-05-20 08:10:50 -0500
Julien Marrec
How can I control node and fan actuators in EnergyPlus via Python API without being overwritten by SetpointManagers or system logic?
setpoint-manager
actuator
ems-control
python
energyplus
528
views
2
answers
2
votes
2025-05-12 20:19:53 -0500
Jamie Sullivan
EnergyPlus ground domain - Slab-ON-grade with vertical perimeter insulation
energyplus
designbuilder
ground-heat-transfer
ground
390
views
1
answer
1
vote
2025-05-09 09:53:56 -0500
Denis Bourgeois
unreasonable intersection lines
openstudio-sketchup-plugin
openstudio
surface-intersecting
error
414
views
1
answer
1
vote
2025-05-08 11:33:55 -0500
agamas
BeOpt - New Construction ACCA Manual J HP Autosizing
beopt
residential
air-source-heat-pump
manual-j
166
views
no
answers
no
votes
2025-05-07 11:43:59 -0500
m19
Openstudio fault creation
openstudio
hvac
openstudio-application
operational-fault
openstudio-measure
331
views
1
answer
1
vote
2025-05-09 10:30:50 -0500
dradair
ASHRAE ECB Heat Source for DOAS with terminal WSHP
ashrae-90.1
ecb
baseline
306
views
1
answer
1
vote
2025-05-07 06:13:15 -0500
JasonGlazer
Climatic Data Summary is coming out blank from Openstudio even with epw file selected
openstudio
epw-file
stat-file
energyplus
summary-report
233
views
no
answers
2
votes
2025-05-06 15:18:47 -0500
Kashif72
How to get Exfiltration Values (amount of air leaving a zone) in EnergyPlus output files?
energyplus
exfiltration
output-variable
airflow-network
407
views
2
answers
3
votes
2025-05-20 08:28:38 -0500
mattkoch
control thermal zone temperture by air flow rather than chilled water flow
openstudio
hvac-control
district-cooling
cooling-coil
energyplus
614
views
1
answer
1
vote
2025-06-23 14:46:51 -0500
Jim Dirkes
Performance Based Curves integration into Design Builder
designbuilder
performance-curve
performance-data
energyplus
228
views
no
answers
1
vote
2025-05-02 09:42:54 -0500
Denis Bourgeois
Troubleshooting of a heated floor system
designbuilder
radiant-heating
gshp
hvac-control
low-temperature-radiant
535
views
1
answer
2
votes
2025-05-04 11:37:03 -0500
josepsolebonet@telefonica.net
Using Operative Temperature in OpenStudio instead of Air Temperature for the Thermostat
openstudio
measure
operative-temperature
energyplus
thermostat
431
views
no
answers
no
votes
2025-05-02 17:00:38 -0500
Aaron Boranian
BEopt v3.0.1.0 - Error: "Cannot find corresponding design option in design" during Detailed Report generation
beopt
report
summary-report
application-error
bug-report
305
views
1
answer
1
vote
2025-04-30 12:55:27 -0500
shorowit
BeOpt - Cooling Energy vs Cooling Fan/Energy
beopt
residential
cooling
fan
results
389
views
1
answer
1
vote
2025-04-29 12:11:30 -0500
Greg Estep
Modeling Centralized Cooling for Multiple Buildings in DesignBuilder
designbuilder
district-cooling
plant-loop
multi-building
677
views
1
answer
3
votes
2025-05-03 14:32:57 -0500
lrsanchez510
How to model defrost cycles in EnergyPlus
air-source-heat-pump
defrost
energyplus
dx-coil
output-variable
355
views
no
answers
no
votes
2025-04-28 05:46:41 -0500
Anurag_G
Modelling core and shell zones under tenant for LEED
designbuilder
leed
ashrae-90.1
baseline
210
views
no
answers
no
votes
2025-04-28 06:16:43 -0500
Denis Bourgeois
Natural Ventilation not following my inputs on DesignBuilder [closed]
natural-ventilation
designbuilder
bug-report
279
views
1
answer
1
vote
2025-04-28 19:16:07 -0500
shorowit
at which pressure ACH is reported in EP?
infiltration
energyplus
ach
output-variable
leakage
193
views
no
answers
no
votes
2025-04-25 09:03:42 -0500
MarcF
Create typical buiding measure - undefined model standard climate zone [closed]
apply-measure
333
views
1
answer
no
votes
2025-04-25 13:14:35 -0500
Denis Bourgeois
Glass U-factor in ASHRAE baseline
baseline
openstudio-standards
ashrae-90.1
summary-report
fenestration
1k
views
3
answers
3
votes
2025-04-28 08:04:17 -0500
Anurag_G
How to Model AHU with DOAS in DesignBuilder?
designbuilder
doas
air-loop
305
views
no
answers
no
votes
2025-04-25 08:45:01 -0500
Aaron Boranian
How to Model AHU with DOAS in DesignBuilder? [closed]
designbuilder
doas
air-loop
« previous
1
...
12
13
14
15
16
...
443
next page »
Contributors
Tags
energyplus
×14
designbuilder
×10
openstudio
×10
ashrae-90.1
×3
baseline
×3
beopt
×3
bug-report
×3
output-variable
×3
summary-report
×3
air-loop
×2
air-source-heat-pump
×2
cooling
×2
district-cooling
×2
doas
×2
double-skin-facade
×2
error
×2
fan
×2
hvac-control
×2
low-temperature-radiant
×2
openstudio-measure
×2
openstudio-standards
×2
residential
×2
ach
×1
actuator
×1
air-flow
×1
airflow-network
×1
application-error
×1
apply-measure
×1
cooling-coil
×1
defrost
×1
design-day
×1
dx-coil
×1
ecb
×1
ems-control
×1
epw-file
×1
equest
×1
exfiltration
×1
fenestration
×1
ground
×1
ground-heat-transfer
×1
gshp
×1
hvac
×1
idf-editor
×1
infiltration
×1
leakage
×1
leed
×1
manual-j
×1
measure
×1
multi-building
×1
natural-ventilation
×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
×
