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 »
relevance
date
activity ▼
answers
votes
323
questions
Tagged
162
views
1
answer
2
votes
2025-07-31 14:47:28 -0500
Yapan
ResStock Multifamily Building Simulation Details
resstock
openstudio-hpxml
multifamily
85
views
no
answers
1
vote
2025-07-14 14:08:34 -0500
tammieyu
EnergyPlus Python API vs. EMS for Runtime Window Control
python-ems
energyplus-api
energyplus
ems-control
construction
64
views
no
answers
no
votes
2025-07-02 00:25:53 -0500
Pranav Deshmukh
True Peak Load Occurs on Unexpected Day — How to Identify Peak Date from Solar Gains and Geometry? [closed]
energyplus
geometry
solar-gain
peak-load
design-day
115
views
no
answers
1
vote
2025-06-30 12:15:30 -0500
Pranav Deshmukh
True Peak Load Occurs on Unexpected Day — How to Identify Peak Date from Solar Gains and Building Geometry?
energyplus
geometry
solar-gain
peak-load
design-day
82
views
1
answer
1
vote
2025-06-30 08:27:25 -0500
Twose10
Unexpected Negative Conduction on Hot Day
conduction
heat-gain
energyplus
heat-balance
building-envelope
290
views
1
answer
1
vote
2025-06-28 14:58:56 -0500
Denis Bourgeois
Why does increasing air gap in double glazing increase cooling energy in my DesignBuilder model?
designbuilder
fenestration
construction
heat-transfer
cooling-load
263
views
1
answer
no
votes
2025-06-08 05:44:04 -0500
Denis Bourgeois
Modeling of a building in Floorspace JS and SketchUp
openstudio-application
sketchup
openstudio-sketchup-plugin
geometry
110
views
no
answers
no
votes
2025-06-05 11:18:48 -0500
MatteoMerli
Group control in WindowShadingControl with OnIfHighSolarOnWindow
energyplus
shading-control
shading
control
solar-radiation
226
views
2
answers
no
votes
2025-04-04 10:11:04 -0500
josepsolebonet@telefonica.net
Multiple shading control without EMS
shading-control
energyplus
ems-control
255
views
1
answer
1
vote
2025-04-02 07:30:22 -0500
Denis Bourgeois
Validation of fullinteriorandexterior for a sawtooth facade
energyplus
solar-distribution
simple-glazing-system
convexity
output-variable
108
views
1
answer
1
vote
2025-03-19 14:11:59 -0500
RobinCris
eio file in v. 9.4 mistake?
eio-file
shade
material
bug-report
energyplus
140
views
1
answer
1
vote
2025-02-12 14:51:14 -0500
Denis Bourgeois
How can I calculate solar gains within Perimeter zones?
perimeter
solar-gain
energyplus
411
views
no
answers
no
votes
2024-10-26 13:47:33 -0500
Ed May
Reporting Solar Energy by Zone
output-variable
solar-gain
solar-radiation
energyplus
205
views
1
answer
1
vote
2024-10-22 15:40:31 -0500
Jamie Sullivan
Why is the sun position not translated into the solar heat gain in different facing rooms?
passive-solar
solar-radiation
energyplus
2k
views
2
answers
6
votes
2024-10-09 15:41:02 -0500
sashadf1
Severe Error: Temperature out of Bounds (Low)
energyplus
severe-error
surface-temperature
308
views
2
answers
2
votes
2024-10-07 22:20:37 -0500
bentan
modeling building with large elevation difference from weather data elevation
energyplus
natural-ventilation
airflow-network
weather-file
zone-multiplier
109
views
1
answer
no
votes
2024-09-06 13:40:36 -0500
Aaron Boranian
E+ detailed HVAC crash on warmup - high window temperatures
energyplus
detailed-hvac
high-surface-temperatures
severe-error
low-temperature-radiant
170
views
2
answers
1
vote
2024-08-09 16:12:33 -0500
Aaron Boranian
Updating Sub-surfaces
sketchup
openstudio
openstudio-sketchup-plugin
window
geometry
302
views
2
answers
no
votes
2024-07-27 00:39:18 -0500
Dave
Design Builder's Energy Plus Simulation Took 3.5 Hours
design
designbuilder
energyplus
solar
simulation-time
173
views
1
answer
1
vote
2024-07-23 09:22:18 -0500
shorowit
BEopt- Can I change the gable roof default in the Geometry screen?
beopt
roof
geometry
gable
drawing
204
views
1
answer
1
vote
2024-07-11 04:07:23 -0500
Julien Marrec
EMS Sensor Unique Key Name not found.
energyplus
ems
ems-control
sensor
error
161
views
1
answer
1
vote
2024-06-10 15:01:46 -0500
shorowit
partial opening of window shading
window
energyplus
shading-control
135
views
1
answer
1
vote
2024-06-06 10:25:45 -0500
shorowit
EMS Sensor for Zone Exterior Windows Total Transmitted Beam Solar Radiation Rate
ems
sensor
ems-control
severe-error
solar-radiation
155
views
no
answers
1
vote
2024-05-15 02:39:45 -0500
Roy_Xu
Why Daylightingcontrol doesn't work and the DGI could not associate with EMS？
energyplus
daylighting-control
ems
dgi
shading-control
264
views
1
answer
2
votes
2024-04-10 01:36:01 -0500
yongqingzhao
How is the surface outside face beam solar incident angle cosine value calculated in EnergyPlus?
solar
geometry
heat-gain
solar-radiation
angle
550
views
1
answer
2
votes
2024-02-29 16:24:58 -0500
Denis Bourgeois
Incident Solar with a translucent awning
designbuilder
energyplus
transmittance
shading
solar-radiation
394
views
1
answer
1
vote
2024-02-15 15:32:56 -0500
paula
Doubt on how to "fix" a non-convex zone in E+
energyplus
solar-distribution
convexity
geometry
severe-error
273
views
2
answers
2
votes
2024-01-10 15:18:13 -0500
Jamie Sullivan
Extract each heat balance term in EnergyPlus
energyplus
heat-balance
energy-balance
output-variable
357
views
1
answer
5
votes
2023-12-12 11:25:53 -0500
chriswmackey
Help With Constructing the Simplest Load Balance with EnergyPlus
energyplus
energy-balance
output-variable
heat-transfer
1k
views
no
answers
3
votes
2023-11-27 09:26:49 -0500
Aaron Boranian
Using EMS to operate ComplexFenestration
ems
bsdf
complex-fenestration
energyplus
construction
1
2
3
4
5
...
11
next page »
Training Workshops
Contributors
Tags
energyplus
×23
geometry
×7
solar-radiation
×6
ems
×4
ems-control
×4
output-variable
×4
severe-error
×4
shading-control
×4
solar-gain
×4
construction
×3
designbuilder
×3
convexity
×2
design-day
×2
energy-balance
×2
heat-balance
×2
heat-gain
×2
heat-transfer
×2
openstudio-sketchup-plugin
×2
peak-load
×2
sensor
×2
shading
×2
sketchup
×2
solar
×2
solar-distribution
×2
window
×2
airflow-network
×1
angle
×1
beopt
×1
bsdf
×1
bug-report
×1
building-envelope
×1
complex-fenestration
×1
conduction
×1
control
×1
cooling-load
×1
daylighting-control
×1
design
×1
detailed-hvac
×1
dgi
×1
drawing
×1
eio-file
×1
energyplus-api
×1
error
×1
fenestration
×1
gable
×1
high-surface-temperatures
×1
low-temperature-radiant
×1
material
×1
multifamily
×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
×
