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 »
relevance
date
activity ▼
answers
votes
349
questions
Tagged
490
views
2
answers
2
votes
2026-03-06 13:35:46 -0500
chenkianwee
How Do I set the "Field Set: Surface Name, Fraction of Radiant Energy to Surface" parameter for my "ZoneHVACCoolingPanelRadiantConvectiveWater" using OpenStudioSDK
radiant-panel
openstudio
272
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
564
views
1
answer
2
votes
2025-12-01 09:10:13 -0500
Keigo
Severe Error: Found Material that is too thin and/or too highly conductive
energyplus
radiant-panel
material
severe-error
conduction
316
views
1
answer
2
votes
2025-11-27 03:17:28 -0500
PmP
Question About EMS:Sensor and People with Space/SpaceList in EnergyPlus 23.1+
people
ems
pmv
space
energyplus
1k
views
1
answer
no
votes
2025-09-04 14:29:05 -0500
Denis Bourgeois
Difference between Infrared/Thermal radiation material properties
radiation
properties
416
views
1
answer
2
votes
2025-07-26 15:18:15 -0500
shorowit
Are there Workflows or In-Depth Whitepapers on Modeling Air-to-Water Heat Pumps for Radiant Floor/ceiling/panel heating/cooling in EnergyPlus 25.1?
low-temperature-radiant
hydronic
energyplus
air-to-water-heat-pump
plant-loop
554
views
1
answer
1
vote
2025-07-20 04:30:41 -0500
XYFANS
'ClothingInsulationSchedule' not works in Fanger
energyplus
people
thermal-comfort
output-variable
bug-report
289
views
1
answer
1
vote
2025-07-07 10:20:37 -0500
Denis Bourgeois
Operative Temperature Plateaus Around 36°C Despite No Cooling or Ventilation
operative-temperature
energyplus
thermal-resiliency
426
views
1
answer
2
votes
2025-06-28 13:48:14 -0500
nemo
"Bad allocation" error in EnergyPlus 25.1 with hydronic radiant floor + air-to-water heat pump
energyplus
radiant-heating
air-to-water-heat-pump
sizing-error
low-temperature-radiant
456
views
1
answer
no
votes
2025-05-30 08:28:58 -0500
rraustad
Autosized FCU not Cooling the Space
fcu
cooling-capacity
energyplus
designbuilder
hvac-control
324
views
1
answer
no
votes
2025-05-21 09:27:53 -0500
kwalkerman
Low Temperature Radiant System Schedule acting funny
openstudio
energyplus
low-temperature-radiant
hvac-control
plant-loop
652
views
1
answer
no
votes
2025-05-20 08:10:40 -0500
Julien Marrec
Actuator controled by Python API is not available in my scenario
energyplus-api
actuator
python
ems-control
hvac-control
252
views
no
answers
no
votes
2025-05-14 23:23:44 -0500
px889
Actuator controled by Python API is not available in my scenario [closed]
energyplus-api
python
actuator
ems-control
hvac-control
907
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
1k
views
no
answers
1
vote
2025-03-31 06:55:14 -0500
Ron
Radiant cooling system in EnergyPlus does not produce any sensible cooling?
low-temperature-radiant
condensation
energyplus
hvac-control
452
views
1
answer
no
votes
2024-11-27 22:34:20 -0500
Mariam_2024
How to add dynamic occupancy 8670 hours into EnergyPlus idf text editor?
energyplus
occupancy
csv-file
schedule
988
views
3
answers
6
votes
2024-10-15 19:16:39 -0500
sashadf1
Dynamic internal mass in warehouse with EnergyPlus
internal-mass
internal-load
warehouse
energyplus
419
views
1
answer
1
vote
2024-10-01 02:45:34 -0500
AGeissler
EnergyPlus AFN and HVAC including mechanical ventilation and LowTemperatureRadiant
energyplus
hvac
airflow-network
zone-equipment
low-temperature-radiant
306
views
1
answer
no
votes
2024-09-23 12:35:30 -0500
Denis Bourgeois
How can I model a hot water radiator in OpenStudio?
hvac
openstudio-application
radiator
hot-water-loop
energyplus
219
views
no
answers
no
votes
2024-09-06 13:42:16 -0500
Aaron Boranian
E+ 24.1.0 MacOS issue w/ ConductionFiniteDifference
mac-os
condfd
energyplus
low-temperature-radiant
bug-report
286
views
1
answer
no
votes
2024-09-06 13:40:36 -0500
Aaron Boranian
E+ detailed HVAC crash on warmup - high window temperatures
energyplus
detailed-hvac
high-surface-temperatures
severe-error
low-temperature-radiant
484
views
1
answer
4
votes
2024-08-28 10:07:45 -0500
Neal Kruis
Carroll MRT Algorithm Imbalanced?
energy-balance
energyplus
long-wave-radiation
surfaces
1k
views
1
answer
1
vote
2024-07-13 07:49:28 -0500
FabioFH97
Scheduled %RH with simple HVAC settings? (DesignBuilder)
humidity-control
hvac-control
designbuilder
thermostat
humidistat
348
views
1
answer
2
votes
2024-07-03 11:30:41 -0500
shorowit
CoilHeatingLowTempRadiantVarFlow does not get added to the demand side of a plant loop in IDF anymore
openstudio
plant-loop
low-temperature-radiant
openstudio-sdk
energyplus
328
views
1
answer
1
vote
2024-06-06 10:25:45 -0500
shorowit
EMS Sensor for Zone Exterior Windows Total Transmitted Beam Solar Radiation Rate
ems
sensor
ems-control
severe-error
solar-radiation
373
views
1
answer
2
votes
2024-05-12 09:25:25 -0500
Aaron Boranian
Basic low temperature electric radiant heating
low-temperature-radiant
energyplus
183
views
no
answers
1
vote
2024-04-19 14:58:32 -0500
VHellou
EnergyPlus-HP-VRF-Floor heating/cooling
energyplus
air-to-water-heat-pump
heat-exchanger
refrigerant
radiant-heating
970
views
2
answers
1
vote
2024-03-09 11:21:13 -0500
santoshphilip
How to add fields to an object in idf file
eppy
idf
people
thermal-comfort
110
views
no
answers
no
votes
2024-02-26 12:04:24 -0500
MarcosH
problem with outdoor pipes
outdoor-pipe
energyplus
radiant-panel
hot-water-loop
hvac-control
603
views
1
answer
1
vote
2024-02-15 15:32:56 -0500
paula
Doubt on how to "fix" a non-convex zone in E+
energyplus
solar-distribution
convexity
geometry
severe-error
1
2
3
4
5
...
12
next page »
Contributors
Tags
energyplus
×23
low-temperature-radiant
×10
hvac-control
×8
openstudio
×4
plant-loop
×4
severe-error
×4
air-to-water-heat-pump
×3
bug-report
×3
ems-control
×3
people
×3
radiant-panel
×3
actuator
×2
designbuilder
×2
ems
×2
energyplus-api
×2
hot-water-loop
×2
hvac
×2
python
×2
radiant-heating
×2
thermal-comfort
×2
airflow-network
×1
baseboard-heater
×1
condensation
×1
condfd
×1
conduction
×1
convexity
×1
cooling-capacity
×1
csv-file
×1
detailed-hvac
×1
energy-balance
×1
eppy
×1
fcu
×1
geometry
×1
heat-exchanger
×1
heat-pump
×1
high-surface-temperatures
×1
humidistat
×1
humidity-control
×1
hydronic
×1
idf
×1
idf-editor
×1
internal-load
×1
internal-mass
×1
long-wave-radiation
×1
mac-os
×1
material
×1
occupancy
×1
openstudio-application
×1
openstudio-sdk
×1
operative-temperature
×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
×