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
3613
questions
Tagged
310
views
no
answers
2
votes
2025-12-22 13:44:54 -0500
Aaron Boranian
Coil:Heating:DX:SingleSpeed output mismatch query
heating-coil
energyplus
ems-control
output-variable
defrost
804
views
no
answers
no
votes
2025-12-19 03:57:19 -0500
Lauracusu
How can I find the values of the endogenous variables that make up the cooling demand?
energyplus
openstudio
573
views
no
answers
no
votes
2025-12-15 11:23:58 -0500
Mouuna
ashrae 90.1 2010 spaces types and templates in openstudio 1.10.0
ashrae-90.1
openstudio
openstudio-application
library
calibration
142
views
no
answers
2
votes
2025-12-12 09:05:26 -0500
getEPW
Recent geolocation based EPW files
energyplus
weather-data
solar
wind
epw-file
134
views
no
answers
no
votes
2025-12-10 08:05:18 -0500
Hevar
EnergyPlus Load Conversion issue when switching from System:Unitary to System:UnitarySystem
hvac-template
power
unitary-system
heating-system
energyplus
196
views
no
answers
3
votes
2025-12-09 02:15:11 -0500
Lyse_F
Unstable behavior of RadiantConvective Baseboard Heaters with an air-water heat pump
baseboard-heater
heat-pump
plant-loop
energyplus
hvac-control
165
views
no
answers
1
vote
2025-12-03 17:07:03 -0500
RaeN
Issues Running “Create ASHRAE 90.1-2019 PRM Model” measure in OpenStudio
openstudio
openstudio-standards
ashrae-90.1
performance-rating-method
openstudio-sdk
112
views
no
answers
no
votes
2025-11-26 16:24:52 -0500
sandip_mep
constant indoor humidity ratio
dehumidification
energy-balance
energyplus
relative-humidity
hvac-control
109
views
no
answers
no
votes
2025-11-26 12:27:15 -0500
Aaron Boranian
AHU & TFA Modeling in DesignBuilder – Coil Availability and Setpoint Manager Query
supply-temperature
ahu
setpoint-manager
designbuilder
hvac-control
107
views
no
answers
no
votes
2025-11-25 18:59:08 -0500
avril14
Modeling 4-Pipe VAV Box in OpenStudio
vav
openstudio
chilled-water-loop
hot-water-loop
terminal-unit
71
views
no
answers
no
votes
2025-11-20 14:54:06 -0500
glbrown
Using OpenStudio ver. 1.3.1 with Sketchup Plugin ver. 1.7.0 and my model has equipment and several other items which were are not active in "My Model"
openstudio
sketchup2021
openstudio-application
equipment
131
views
no
answers
no
votes
2025-11-17 23:39:44 -0500
CharlesV
Model ceiling fan in modelica Buildings
ceiling-fan
thermal-comfort
modelica
energyplus
174
views
no
answers
4
votes
2025-11-14 15:28:24 -0500
Tim
PV Simple and One-Diode give vastly different results
photovoltaic
energyplus
equivalent-one-diode
bug-report
197
views
no
answers
no
votes
2025-11-13 09:18:39 -0500
Aaron Boranian
Water heater circulation Scheme from an EnergyScore export.
plant-equipment-operation
asset-score
openstudio
energyplus
service-hot-water
151
views
no
answers
2
votes
2025-11-13 01:59:30 -0500
Keigo
Optimum Start Control for Appendix G Baseline
appendix-g
baseline
optimum-start
529
views
no
answers
no
votes
2025-11-09 01:30:49 -0500
Fikremariam M. Seyoum
Simulation error when adding inter-pane shading layer in Honeybee
honeybee
ladybug
energyplus
error
fenestration
102
views
no
answers
1
vote
2025-11-06 14:29:09 -0500
Abir Ahsan
Reusing condenser heat in reheat-coils
condenser-loop
energyplus
heat-recovery
reheat
150
views
no
answers
no
votes
2025-11-05 18:00:37 -0500
Gio_GG
Conversion of HPXML to OSM with Python
hpxml
openstudio-hpxml
osm-file
python
165
views
no
answers
no
votes
2025-11-04 17:01:50 -0500
sandip_mep
AMY weather file for any location of USA
weather-file
202
views
no
answers
no
votes
2025-11-02 18:53:56 -0500
sandip_mep
steady state energy balance
energyplus
145
views
no
answers
no
votes
2025-10-30 09:47:09 -0500
Cromorne
Thermal study of a single-family home
residential
openstudio
openstudio-application
sketchup-openstudio-plugin
172
views
no
answers
no
votes
2025-10-30 09:02:37 -0500
Ati4745
How do I connect an Air loop to an air-to-water heat pump in design builder?
designbuilder
air-loop
heat-pump
127
views
no
answers
1
vote
2025-10-29 12:55:05 -0500
RyanStochastic
Energyplus chiller curve dataset bug
chillers
curves
datasets
energyplus
90
views
no
answers
no
votes
2025-10-29 05:35:25 -0500
Evelia124
unmet hours for leed report Design builder
design
designbuilder
268
views
no
answers
no
votes
2025-10-27 16:18:05 -0500
theoryshaw
Photometric site study using Radiance
radiance
175
views
no
answers
1
vote
2025-10-27 04:40:57 -0500
fredd
Adjusting parametric schedules in OpenStudio including derived schedules
openstudio
openstudio-sdk
day-schedule
thermostat
setpoint
265
views
no
answers
no
votes
2025-10-20 16:03:30 -0500
Behnam
Is it possible to implement a specific Nusselt number and friction factor for flat plate solar collector object in EnergyPlus?
solar-collector
energyplus
measured-data
232
views
no
answers
no
votes
2025-10-16 09:21:04 -0500
BShah
OpenStudio Stopped working
openstudio
openstudio-application
measure
application-error
228
views
no
answers
1
vote
2025-10-14 15:03:44 -0500
EIA-RosalieD
EnergyPlus .idf Version Updater to 24.2
energyplus
version
idf-version-updater
doe-prototype-buildings
residential-prototypes
87
views
no
answers
1
vote
2025-10-11 08:22:57 -0500
viktor-ktorvi
Eplus simulation noisy time series data issue
energyplus
output-variable
timestep
commercial-prototype-building
« previous
1
2
3
4
5
...
121
next page »
Sponsor
Training Workshops
Contributors
Tags
energyplus
×16
openstudio
×9
openstudio-application
×4
designbuilder
×3
hvac-control
×3
ashrae-90.1
×2
heat-pump
×2
openstudio-sdk
×2
output-variable
×2
ahu
×1
air-loop
×1
appendix-g
×1
application-error
×1
asset-score
×1
baseboard-heater
×1
baseline
×1
bug-report
×1
calibration
×1
ceiling-fan
×1
chilled-water-loop
×1
chillers
×1
commercial-prototype-building
×1
condenser-loop
×1
curves
×1
datasets
×1
day-schedule
×1
defrost
×1
dehumidification
×1
design
×1
doe-prototype-buildings
×1
ems-control
×1
energy-balance
×1
epw-file
×1
equipment
×1
equivalent-one-diode
×1
error
×1
fenestration
×1
heating-coil
×1
heating-system
×1
heat-recovery
×1
honeybee
×1
hot-water-loop
×1
hpxml
×1
hvac-template
×1
idf-version-updater
×1
ladybug
×1
library
×1
measure
×1
measured-data
×1
modelica
×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
×