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 ▼
3619
questions
Tagged
426
views
no
answers
no
votes
2025-04-24 14:43:53 -0500
Denis Bourgeois
Heating and cooling load in a baseline model (DesignBuilder)
designbuilder
hvac
ashrae-90.1
baseline
unmet-hours
354
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
429
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
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
199
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
150
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
842
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
325
views
no
answers
no
votes
2025-05-15 07:06:43 -0500
Aaron Boranian
Chilled Water Storage Tank errors in DOE Medium Office Building?
doe-prototype-buildings
energyplus
thermal-energy-storage
chilled-water-loop
commercial-reference-building
161
views
no
answers
no
votes
2025-05-18 10:06:19 -0500
ssjjjyyy
Cooling Energy Increase after Reducing Nominal Lighting Power
energyplus
internal-load
lighting
cooling-load
openstudio
204
views
no
answers
no
votes
2025-05-21 13:42:16 -0500
annieliesemari
HVAC Setup Help with Air Loop
airloophvac
energyplus
258
views
no
answers
no
votes
2025-05-22 13:31:55 -0500
Aaron Boranian
Does "Mechanically Ventilated" in DesignBuilder Account for Fan Energy Like "Cooled & Mechanically Ventilated"?
designbuilder
energyplus
mechanical-ventilation
output-report
167
views
no
answers
no
votes
2025-05-28 05:14:06 -0500
Lilia
Delay in the blind angle action and the retreived illuminance value
blind
illuminance
shading-control
energyplus
python-ems
237
views
no
answers
no
votes
2025-05-28 05:17:22 -0500
Lilia
How to dertermine the most effective slat angles of the blinds
venetian-blind
glare
energyplus
shading-control
python-ems
232
views
no
answers
no
votes
2025-06-03 09:12:30 -0500
Anurag_G
Cooling Design Simulation – Does Running with Only Sensible Load (Default Option) Affect Results?
designbuilder
cooling-design
design-day
194
views
no
answers
no
votes
2025-06-04 09:56:23 -0500
Oussama
Fatal Error when running the simulation in Open Studio
application-error
fatal
205
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
151
views
no
answers
no
votes
2025-06-05 15:23:04 -0500
annieliesemari
Modelica DHC Errors When Adding My Own Data
modelica-buildings-library
dymola
modelica
dhc
ets
268
views
no
answers
no
votes
2025-06-05 18:02:44 -0500
leilapsd
co-simulation between ENVI-met and Energyplus
co-simulation
energy-consumption
energyplus
grasshopper
ems-control
174
views
no
answers
no
votes
2025-06-06 12:05:23 -0500
m19
OpenStudio Consuming Disk Space – Huge Temp Files & Simulation Freeze (v1.9.0)
openstudio
openstudio-3.9.0
energyplus-
146
views
no
answers
no
votes
2025-06-11 11:53:02 -0500
TanPhat
Establish the HVAC system in accordance with actual conditions.
airloophvac
fcu
designbuilder
331
views
no
answers
no
votes
2025-06-15 15:40:29 -0500
lrsanchez510
Trouble understanding Urban Weather Generator inputs and calculation of wind speed for modeling air source heat pump
urban
weather-file
air-source-heat-pump
ladybug
164
views
no
answers
no
votes
2025-06-22 13:27:25 -0500
ajith
How to efficiently model stacked windows (clerestory + main window) in DesignBuilder — building-level insertion?
designbuilder
clerestory
light
light-shelf
energyplus
140
views
no
answers
no
votes
2025-06-24 03:32:57 -0500
Anurag_G
Accounting for Mechanically Ventilated Fan Performance in DesignBuilder Using Fan Curves
designbuilder
exterior-equipment
fans
mechanical-ventilation
performance-data
95
views
no
answers
no
votes
2025-06-25 14:52:03 -0500
xaelzephyr
pyfmi cosim can't change tolerance
pyfmi
xtol
tol
energyplus
open-modelica
215
views
no
answers
no
votes
2025-06-26 12:46:54 -0500
mariaheloisa070@gmail.com
I'm having trouble modeling in OpenStudio. The windows are not being recognized. The doors appear correctly, but the windows are not showing up or being detected by OpenStudio. Has anyone experienced this issue or knows how to fix it?
windows
openstudio
geometry
sketchup
openstudio-sketchup-plugin
144
views
no
answers
no
votes
2025-06-27 05:08:29 -0500
Yunasm
Request for Application Version Notification Process (Cyber Essentials Requirement)
openstudio
openstudio-application
version
143
views
no
answers
no
votes
2025-07-02 10:17:28 -0500
Anurag_G
Clarification on Baseline System Modeling for Data Center with Free Cooling
ashrae-90.1
data-center
energy-consumption
free-cooling
315
views
no
answers
no
votes
2025-07-03 07:13:40 -0500
Maysam
Error in using EnergyPlus FMU
error
fmu
energyplus
energyplus-to-fmu
bug-report
278
views
no
answers
no
votes
2025-07-10 15:30:50 -0500
sandip_mep
Wireframe issues in sketchup osm model
openstudio
openstudio-sketchup-plugin
geometry
surface-matching
surface-intersecting
174
views
no
answers
no
votes
2025-07-13 15:21:29 -0500
Denis Bourgeois
Rendering by normal, in sketchup and what are the concequences
openstudio-application
door
rendering
openstudio-sketchup-plugin
geometry
« previous
1
...
117
118
119
120
121
next page »
Contributors
Tags
energyplus
×14
openstudio
×9
designbuilder
×7
ashrae-90.1
×3
bug-report
×3
geometry
×3
openstudio-application
×3
openstudio-sketchup-plugin
×3
shading-control
×3
airloophvac
×2
application-error
×2
baseline
×2
design-day
×2
energy-consumption
×2
hvac
×2
mechanical-ventilation
×2
python-ems
×2
weather-file
×2
air-source-heat-pump
×1
beopt
×1
blind
×1
chilled-water-loop
×1
clerestory
×1
commercial-reference-building
×1
control
×1
cooling
×1
cooling-design
×1
cooling-load
×1
co-simulation
×1
data-center
×1
dhc
×1
doe-prototype-buildings
×1
door
×1
dymola
×1
ems-control
×1
energyplus-
×1
energyplus-to-fmu
×1
error
×1
ets
×1
exterior-equipment
×1
fan
×1
fans
×1
fatal
×1
fcu
×1
fmu
×1
free-cooling
×1
glare
×1
grasshopper
×1
idf-editor
×1
illuminance
×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")
