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
13175
questions
Tagged
81
views
1
answer
2
votes
2025-11-21 11:33:14 -0600
Gio_GG
self discharge rate for battery
battery
energyplus
storage
88
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
150
views
1
answer
no
votes
2025-11-21 14:28:20 -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
116
views
1
answer
1
vote
2025-11-20 13:51:29 -0600
antonszilasi
How can I load custom python packages (pip) without extra OSW cli arguments
openstudio-cli
python
osw-file
openstudio-measure
130
views
no
answers
4
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
241
views
1
answer
no
votes
2025-11-22 10:22:42 -0600
obuchely
Problem with Ideal Loads
ideal-loads-air-system
openstudio
cooling-load
district-heating
energyplus
145
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
140
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
143
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
126
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
73
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
135
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
107
views
1
answer
no
votes
2025-11-12 20:37:26 -0600
Greg Estep
Designing MVHR in Design builder
designbuilder
hvac
265
views
1
answer
no
votes
2025-11-12 12:32:42 -0600
ericmartinpe
Openstudio/Energyplus is not very accurate
thermal-mass
openstudio
accuracy
zone-temperature
179
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
124
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
142
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
68
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
101
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
98
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
38
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
53
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
168
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
129
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
102
views
no
answers
no
votes
2025-11-04 17:01:50 -0600
sandip_mep
AMY weather file for any location of USA
weather-file
128
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
180
views
no
answers
no
votes
2025-11-02 18:53:56 -0600
sandip_mep
steady state energy balance
energyplus
131
views
1
answer
1
vote
2025-11-03 08:50:14 -0600
RobinCris
Output:Variable customization
output-variable
ceiling-fan
output-meter
energyplus
112
views
no
answers
no
votes
2025-10-30 09:47:09 -0600
Cromorne
Thermal study of a single-family home
residential
openstudio
openstudio-application
sketchup-openstudio-plugin
131
views
no
answers
no
votes
2025-10-30 09:02:37 -0600
Ati4745
How do I connect an Air loop to an air-to-water heat pump in design builder?
designbuilder
air-loop
heat-pump
« previous
1
2
3
4
5
...
440
next page »
Training Workshops
Contributors
Tags
energyplus
×14
openstudio
×7
python
×6
designbuilder
×4
hpxml
×3
openstudio-application
×3
openstudio-hpxml
×3
osm-file
×3
appendix-g
×2
bug-report
×2
ceiling-fan
×2
condenser-loop
×2
documentation
×2
heat-recovery
×2
hvac-control
×2
modelica
×2
openstudio-cli
×2
output-variable
×2
accuracy
×1
air-loop
×1
air-to-water-heat-pump
×1
ashrae-90.1
×1
asset-score
×1
autosizing
×1
baseline
×1
battery
×1
cooling-load
×1
district-heating
×1
dymola
×1
ems-control
×1
energy-balance
×1
energyplus-api
×1
equivalent-one-diode
×1
error
×1
fenestration
×1
geometry
×1
heat
×1
heating-coil
×1
heat-pump
×1
honeybee
×1
hvac
×1
ideal-loads-air-system
×1
idf
×1
ladybug
×1
modelica-buildings-library
×1
openstudio-measure
×1
optimum-start
×1
osw-file
×1
output-meter
×1
performance-data
×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
×