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
13197
questions
Tagged
296
views
2
answers
1
vote
2025-04-25 13:22:41 -0600
Fred
AFN Simulation Control Azimuth Angle
energyplus
airflow-network
orientation
geometry
286
views
2
answers
3
votes
2025-05-20 08:28:38 -0600
mattkoch
control thermal zone temperture by air flow rather than chilled water flow
openstudio
hvac-control
district-cooling
cooling-coil
energyplus
371
views
2
answers
2
votes
2025-05-12 20:19:53 -0600
Jamie Sullivan
EnergyPlus ground domain - Slab-ON-grade with vertical perimeter insulation
energyplus
designbuilder
ground-heat-transfer
ground
280
views
2
answers
no
votes
2025-05-20 07:52:55 -0600
RobinCris
openstudio transparent walls (only with windows)
openstudio
energyplus
idf-file
bug-report
geometry
440
views
2
answers
1
vote
2025-05-27 08:42:28 -0600
Luís Filipe Sousa
Question about how wall, roof, and floor thickness affects internal zone dimensions in DesignBuilder
designbuilder
geometry
construction
239
views
2
answers
2
votes
2025-06-06 10:29:52 -0600
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
371
views
2
answers
2
votes
2025-06-19 14:49:11 -0600
ericmartinpe
Local Energy Flexibility Market Capabilities in EnergyPlus
demand-response
energyplus
photovoltaic
626
views
2
answers
1
vote
2025-06-23 22:56:55 -0600
LIANG Peijun
OpenStudio: DOASVRF design and warning of not enclosed zones
openstudio
doas
vrf
warning
hvac-control
222
views
2
answers
no
votes
2025-06-25 12:32:50 -0600
josepsolebonet@telefonica.net
Energy Managment System
ems
energyplus
ems-control
severe-error
sensor
355
views
2
answers
no
votes
2025-07-16 22:37:46 -0600
yiyuan-jia
Method of introducing outside air using "ideal load system"
ideal-loads-air-system
outdoor-air
mechanical-ventilation
energyplus
215
views
2
answers
1
vote
2025-07-07 23:46:45 -0600
Jack Lee
How to Use "Group of Input Files" in EP-Launch?
ep-launch
energyplus
epw-file
parametric-analysis
batch-run
196
views
2
answers
1
vote
2025-07-10 22:22:18 -0600
Anurag_G
Clarification on Modeling Solar Hot Water Systems in ASHRAE 90.1-2010 Baseline
solar-collector
dhw
ashrae-90.1
baseline
1k
views
2
answers
8
votes
2025-09-08 02:46:16 -0600
PmP
How should Air Boundary + Simple Zone Mixing work?
energyplus
air-mixing
zone-mixing
mass-conservation
bug-report
437
views
2
answers
no
votes
2025-08-06 10:00:54 -0600
Aaron Boranian
Visualizing photovoltaic storage charge and discharge cycles
designbuilder-results-viewer
photovoltaic
storage
designbuilder
output-variable
1k
views
2
answers
2
votes
2025-08-26 03:13:36 -0600
PmP
PlantEquipmentOperation:OutdoorDryBulb
energyplus
severe-error
plant-equipment-operation
hvac-control
bug-report
655
views
2
answers
1
vote
2025-10-29 09:55:58 -0600
Ski90Moo
VRF Performance Curve, os:table input
performance-curve
openstudio
openstudio-application
vrf
performance-data
310
views
2
answers
1
vote
2025-10-09 07:44:09 -0600
rraustad
Coil cooling rate results higher than autosize values
cooling-capacity
unitary-system
energyplus
design-day
autosizing
156
views
2
answers
1
vote
2025-11-07 07:41:50 -0600
Angothoron
Direct ON-OFF Access to Heating/Cooling System via Python API
energyplus-api
python
energyplus
ems-control
hvac-control
229
views
2
answers
no
votes
2025-11-07 09:51:43 -0600
Denis Bourgeois
Add performance data to OpenStudio Coalition model
openstudio
air-to-water-heat-pump
performance-data
openstudio-application
208
views
2
answers
no
votes
2025-11-12 02:05:45 -0600
Jack Lee
How can I get results of Openstudio output variables?
openstudio
output-variable
results
openstudio-application
161
views
2
answers
4
votes
2025-11-14 17:29:58 -0600
antonszilasi
How to add pip packages/Ruby gems to a OpenStudio workflow (.osw)
openstudio
openstudio-cli
python
163
views
2
answers
no
votes
2025-11-20 14:26:09 -0600
glbrown
Should Heat Recovery Be Included in Baseline Model if Present in Proposed Design? (ASHRAE 90.1-2010 Appendix G)
ashrae-90.1
appendix-g
heat
heat-recovery
designbuilder
255
views
2
answers
1
vote
2025-12-10 17:36:00 -0600
ashopinion
Envelope Derating
building-envelope
envelope
thermal-bridge
887
views
1
answer
5
votes
2014-09-03 14:02:01 -0600
Michael Wetter
Modelica solver efficiency compared to predictor/corrector
modelica
simulation-time
energyplus
4k
views
1
answer
13
votes
2014-09-05 02:44:48 -0600
Julien Marrec
When calibrating an energy model, what are the typical metrics to show proper calibration.
calibration
3k
views
1
answer
5
votes
2014-09-11 15:36:47 -0600
Ralph Muehleisen
Calculating 3D Thermal Bridges
thermal-bridge
envelope
therm
1k
views
1
answer
3
votes
2014-09-18 04:50:46 -0600
Julien Marrec
Modelling of roof top solar photovoltaic plant in eQUEST
equest
battery
photovoltaic
881
views
1
answer
1
vote
2014-09-18 11:56:16 -0600
macumber
Is there a way to run multiple versions of OpenStudio without having to re-scan for EnergyPlus?
openstudio
energyplus
802
views
1
answer
9
votes
2014-10-27 10:44:54 -0600
Jamie Bull
Has anyone created a Docker linux container for deploying/running EnergyPlus?
energyplus
cloud-computing
2k
views
1
answer
2
votes
2014-09-24 08:46:11 -0600
Julien Marrec
eQuest DOAS Supply temperature as function of outside air
equest
doas
hvac-control
outdoor-air
supply-temperature
« previous
1
...
67
68
69
70
71
...
440
next page »
Training Workshops
Contributors
Tags
energyplus
×16
openstudio
×8
hvac-control
×5
designbuilder
×4
photovoltaic
×4
bug-report
×3
geometry
×3
openstudio-application
×3
ashrae-90.1
×2
demand-response
×2
doas
×2
ems-control
×2
envelope
×2
equest
×2
outdoor-air
×2
output-variable
×2
performance-data
×2
python
×2
severe-error
×2
thermal-bridge
×2
vrf
×2
airflow-network
×1
air-mixing
×1
air-to-water-heat-pump
×1
appendix-g
×1
autosizing
×1
baseline
×1
batch-run
×1
battery
×1
building-envelope
×1
calibration
×1
cloud-computing
×1
construction
×1
cooling-capacity
×1
cooling-coil
×1
designbuilder-results-viewer
×1
design-day
×1
dhw
×1
district-cooling
×1
ems
×1
energyplus-api
×1
ep-launch
×1
epw-file
×1
ground
×1
ground-heat-transfer
×1
heat
×1
heat-recovery
×1
ideal-loads-air-system
×1
idf-file
×1
mass-conservation
×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
×