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
175
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-
147
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
200
views
no
answers
1
vote
2025-06-11 13:34:17 -0500
leilapsd
EnergyPlus Fatal Error – Incomplete Day in Schedule:Compact (Generated via Python Script)
energyplus
ems
python-ems
severe-error
schedule
349
views
no
answers
2
votes
2025-06-11 20:47:58 -0500
Greg Estep
Has anybody worked on a project adhering to ASHRAE 209?
heat-recovery
energyplus
designbuilder
ashrae-209
324
views
no
answers
1
vote
2025-06-13 02:48:57 -0500
Anurag_G
Modeling Floor-Wise TFA Rooms in DesignBuilder with VRF Groups (DOAS + ODU Connection)
designbuilder
vrf
doas
333
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
236
views
no
answers
1
vote
2025-06-16 17:10:11 -0500
TylerMCW
Zone Component Load Summary RH Input
openstudio
energyplus
summary-report
zone-component-load-summary
relative-humidity
112
views
no
answers
1
vote
2025-06-18 08:41:32 -0500
Adarsh
Concerns with input for DesignBuilder CFD
designbuilder
cfd
172
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
142
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
160
views
no
answers
1
vote
2025-06-25 06:00:07 -0500
DamonHD
Adding internal partitions reduces heatflow to outside: why?
energyplus
construction
heat-transfer
zones
98
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
341
views
no
answers
1
vote
2025-06-26 10:50:50 -0500
Aaron Boranian
Invalid unitary system control zone: air loop unitary HP air to air
designbuilder
unitary-system
low-temperature-radiant
error
hvac
217
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
145
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
170
views
no
answers
1
vote
2025-06-29 11:55:26 -0500
jaksaaa555
Openstudio Skechup plugin
openstudio
openstudio-sketchup-plugin
surface-matching
geometry
boundary-condition
215
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
112
views
no
answers
1
vote
2025-07-01 02:38:08 -0500
Jung
EnergyPlus, Method of introducing outside air using "OutdoorAirUnit"
energyplus
outdoor-air
mechanical-ventilation
output-variable
114
views
no
answers
1
vote
2025-07-01 16:50:31 -0500
amitche8
Zoo_Animal_IHGs
heat-gain
internal-load
energyplus
openstudio
144
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
318
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
260
views
no
answers
1
vote
2025-07-07 22:51:51 -0500
Keigo
EnergyPlus Crashes with Fan:VariableVolume or Fan:ConstantVolume
energyplus
bug-report
crash
fan
167
views
no
answers
1
vote
2025-07-08 12:49:04 -0500
Aaron Boranian
Heating SET Degree hours Table
heating
degree-hours
energyplus
openstudio-application
summary-report
149
views
no
answers
3
votes
2025-07-10 01:25:27 -0500
Keigo
Required Objects for Dehumidifier:Desiccant:System
energyplus
desiccant
documentation
dehumidification
humidity-control
280
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
148
views
no
answers
3
votes
2025-07-11 08:41:30 -0500
Zakaria
Unexpected Latent Capacity in Air-Chiller Coil for Refrigerated Warehouse Model
air-chiller
warehouse
latent-cooling
energyplus
hvac-control
68
views
no
answers
no
votes
2025-07-13 10:39:09 -0500
oren
Low emissivity white
emissivity
radiant-barrier
175
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
223
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
159
views
no
answers
1
vote
2025-07-17 00:12:05 -0500
Ne
How to set up the system to send cool air from one room to sevelal other rooms with E+
energyplus
zone-mixing
hvac-control
« previous
1
...
115
116
117
118
119
...
121
next page »
Contributors
Tags
energyplus
×16
designbuilder
×7
openstudio
×7
geometry
×5
openstudio-sketchup-plugin
×4
openstudio-application
×3
bug-report
×2
construction
×2
error
×2
hvac-control
×2
mechanical-ventilation
×2
python-ems
×2
summary-report
×2
surface-matching
×2
air-chiller
×1
airloophvac
×1
air-source-heat-pump
×1
ashrae-209
×1
ashrae-90.1
×1
boundary-condition
×1
cfd
×1
clerestory
×1
crash
×1
data-center
×1
degree-hours
×1
dehumidification
×1
desiccant
×1
design-day
×1
doas
×1
documentation
×1
door
×1
emissivity
×1
ems
×1
ems-control
×1
energy-consumption
×1
energyplus-
×1
energyplus-api
×1
energyplus-to-fmu
×1
exterior-equipment
×1
fan
×1
fans
×1
fcu
×1
fmu
×1
free-cooling
×1
heat-gain
×1
heating
×1
heat-recovery
×1
heat-transfer
×1
humidity-control
×1
hvac
×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
×