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
13144
questions
Tagged
67
views
no
answers
1
vote
2025-11-18 09:26:19 -0600
antonszilasi
How can I load custom python packages (pip) without extra OSW cli arguments
openstudio-cli
python
osw-file
openstudio-measure
17
views
no
answers
no
votes
2025-11-17 23:39:44 -0600
CharlesV
Model ceiling fan in modelica Buildings
ceiling-fan
thermal-comfort
modelica
energyplus
20
views
no
answers
no
votes
2025-11-17 15:09:18 -0600
moezzi614@gmail.com
Hello everybody, Im working on a simulation project with design builder and I need de model a tempered loop for HVAC use to connect to a VRF condenser.
vrf
designbuilder
condenser-loop
hvac-control
92
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
102
views
no
answers
3
votes
2025-11-14 15:28:24 -0600
Tim
PV Simple and One-Diode give vastly different results
photovoltaic
energyplus
equivalent-one-diode
bug-report
83
views
1
answer
1
vote
2025-11-14 15:25:44 -0600
Olamide
Modelica mass and energy balance
modelica
modelica-buildings-library
dymola
energy-balance
104
views
no
answers
no
votes
2025-11-14 11:03:18 -0600
jaksaaa555
Problem with Ideal Loads
ideal-loads-air-system
openstudio
cooling-load
district-heating
energyplus
52
views
no
answers
no
votes
2025-11-14 04:15:14 -0600
Anurag_G
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
49
views
no
answers
no
votes
2025-11-13 09:18:39 -0600
Aaron Boranian
Water heater circulation Scheme from an EnergyScore export.
plant-equipment-operation
asset-score
openstudio
energyplus
service-hot-water
69
views
1
answer
no
votes
2025-11-13 09:10:59 -0600
Aaron Boranian
Anyone know when Version 25.2.0 will be posted?
releases
version
update
energyplus
47
views
no
answers
2
votes
2025-11-13 01:59:30 -0600
Keigo
Optimum Start Control for Appendix G Baseline
appendix-g
baseline
optimum-start
78
views
1
answer
no
votes
2025-11-12 20:37:26 -0600
Greg Estep
Designing MVHR in Design builder
designbuilder
hvac
203
views
1
answer
no
votes
2025-11-12 12:32:42 -0600
ericmartinpe
Openstudio/Energyplus is not very accurate
thermal
mass
openstudio
accuracy
138
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
113
views
1
answer
4
votes
2025-11-11 12:44:45 -0600
ericmartinpe
Central Cooling Design Supply Air Temperature in Sizing:System
energyplus
autosizing
documentation
system-sizing
bug-report
837
views
2
answers
1
vote
2025-11-11 12:28:05 -0600
MatthewSteen
Two Speed DX Cooling Coil Causes Air Loop Details to be Skipped?
openstudio
dx-coil
openstudio-results
openstudio-application
reporting-measure
88
views
1
answer
no
votes
2025-11-10 13:47:17 -0600
Denis Bourgeois
Need help fixing an input format error
severe-error
idf
energyplus
surface
geometry
127
views
no
answers
no
votes
2025-11-09 01:30:49 -0600
Fikremariam M. Seyoum
Simulation error when adding inter-pane shading layer in Honeybee
honeybee
ladybug
energyplus
error
fenestration
105
views
1
answer
1
vote
2025-11-07 11:56:56 -0600
Abir Ahsan
Supplementary Heating in AirLoopHVAC:UnitaryHeatPump:AirToAir
unitary-system
energyplus
air-loop
heating-coil
air-source-heat-pump
148
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
467
views
1
answer
3
votes
2025-11-07 08:36:16 -0600
shorowit
What's the workflow for importing the NREL HPXML into OpenStudio?
nrel
openstudio-hpxml
openstudio-application
82
views
1
answer
no
votes
2025-11-07 08:31:15 -0600
Aaron Boranian
Is RTF used while defrost power calculation in DX:Heating:Coil component?
heating-coil
energyplus
documentation
103
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
51
views
no
answers
1
vote
2025-11-06 14:29:09 -0600
Abir Ahsan
Reusing condenser heat in reheat-coils
condenser-loop
energyplus
heat-recovery
reheat
80
views
no
answers
no
votes
2025-11-05 18:00:37 -0600
Gio_GG
Conversion of HPXML to OSM with Python
hpxml
openstudio-hpxml
osm-file
python
33
views
no
answers
no
votes
2025-11-05 18:00:36 -0600
Gio_GG
Convert HPxml to osm [closed]
hpxml
openstudio-hpxml
osm-file
python
41
views
no
answers
no
votes
2025-11-05 18:00:36 -0600
Gio_GG
Convert HPXML to OSM with Python [closed]
hpxml
openstudio-hpxml
osm-file
python
90
views
no
answers
no
votes
2025-11-04 17:01:50 -0600
sandip_mep
AMY weather file for any location of USA
weather-file
90
views
1
answer
1
vote
2025-11-04 10:55:48 -0600
Denis Bourgeois
Cob mixture in DesignBuilder
designbuilder
material
construction
113
views
1
answer
2
votes
2025-11-03 10:58:16 -0600
jdlouhy
FanSystemModel preventing Air Loops Detail in openstudio_results from running
fan
openstudio
openstudio-application
openstudio-results
air-loop
1
2
3
4
5
...
439
next page »
Training Workshops
Contributors
Tags
energyplus
×12
openstudio
×8
python
×6
openstudio-application
×5
designbuilder
×4
openstudio-hpxml
×4
hpxml
×3
osm-file
×3
air-loop
×2
appendix-g
×2
bug-report
×2
condenser-loop
×2
documentation
×2
heating-coil
×2
heat-recovery
×2
hvac-control
×2
modelica
×2
openstudio-cli
×2
openstudio-results
×2
accuracy
×1
air-source-heat-pump
×1
air-to-water-heat-pump
×1
ashrae-90.1
×1
asset-score
×1
autosizing
×1
baseline
×1
ceiling-fan
×1
construction
×1
cooling-load
×1
district-heating
×1
dx-coil
×1
dymola
×1
ems-control
×1
energy-balance
×1
energyplus-api
×1
equivalent-one-diode
×1
error
×1
fan
×1
fenestration
×1
geometry
×1
heat
×1
honeybee
×1
hvac
×1
ideal-loads-air-system
×1
idf
×1
ladybug
×1
mass
×1
material
×1
modelica-buildings-library
×1
nrel
×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
×