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
13065
questions
Tagged
306
views
1
answer
no
votes
2025-06-02 10:19:54 -0500
Denis Bourgeois
Output cannot be found in CSV
energyplus
output-variable
222
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
83
views
no
answers
no
votes
2025-05-30 04:03:32 -0500
angelson
How to simulate simultaneous HVAC faults in OpenStudio? [closed]
fault
measure
openstudio
openstudio-measure
bcl
341
views
1
answer
1
vote
2025-05-28 07:33:53 -0500
ecem
OpenStudio results in metric units
openstudio
openstudio-application
output-report
si-units
210
views
1
answer
1
vote
2025-05-28 05:17:43 -0500
Lilia
Blind slat control
shading-control
blind
slat
energyplus-api
ems-control
159
views
no
answers
no
votes
2025-05-28 05:17:22 -0500
Lilia
How to dertermine the most effective slat angles of the blinds
venetian-blind
glare
energyplus
shading-control
python-ems
112
views
no
answers
no
votes
2025-05-28 05:14:06 -0500
Lilia
Delay in the blind angle action and the retreived illuminance value
blind
illuminance
shading-control
energyplus
python-ems
187
views
1
answer
1
vote
2025-05-28 03:05:47 -0500
Julien Marrec
Creation of a Water-to-Water Heat Pump in OpenStudio
water-to-water-heat-pump
heat-pump
openstudio
openstudio-measure
openstudio-sdk
257
views
2
answers
1
vote
2025-05-27 08:42:28 -0500
Luís Filipe Sousa
Question about how wall, roof, and floor thickness affects internal zone dimensions in DesignBuilder
designbuilder
geometry
construction
312
views
1
answer
1
vote
2025-05-27 07:12:27 -0500
Denis Bourgeois
How do I model Different window materials in Openstudio?
openstudio
window
material
construction-set
63
views
no
answers
1
vote
2025-05-26 17:57:30 -0500
Jamie Sullivan
AFN zone ventilation not reported during warmup?
energyplus
airflow-network
warmup
output-variable
147
views
1
answer
2
votes
2025-05-26 03:44:11 -0500
Julien Marrec
Access to a warmUpFlag to pass in an FMU cosim
warmup
energyplus
energyplus-to-fmu
ems-control
external-interface
179
views
no
answers
no
votes
2025-05-22 13:31:55 -0500
Aaron Boranian
Does "Mechanically Ventilated" in DesignBuilder Account for Fan Energy Like "Cooled & Mechanically Ventilated"?
designbuilder
energyplus
mechanical-ventilation
output-report
129
views
no
answers
no
votes
2025-05-21 13:42:16 -0500
annieliesemari
HVAC Setup Help with Air Loop
airloophvac
energyplus
283
views
3
answers
1
vote
2025-05-21 10:02:04 -0500
kwalkerman
EnergyPlus/OpenStudio VAV w/ Reheat Throttling Range Adjustment?
energyplus
openstudio
throttling-range
dual-thermostat
hvac-control
172
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
184
views
1
answer
no
votes
2025-05-21 08:15:30 -0500
mattkoch
Assign OA cfm to Thermal Zone (LEED)
openstudio-sdk
leed
outdoor-air
thermal-zone
184
views
2
answers
1
vote
2025-05-21 08:12:55 -0500
mattkoch
Equal OA for ASHRAE 90.1 baseline and proposed in OpenStudio?
openstudio
outdoor-air
openstudio-application
ashrae-90.1
baseline
214
views
2
answers
3
votes
2025-05-20 08:28:38 -0500
mattkoch
control thermal zone temperture by air flow rather than chilled water flow
openstudio
hvac-control
district-cooling
cooling-coil
energyplus
209
views
1
answer
1
vote
2025-05-20 08:10:50 -0500
Julien Marrec
How can I control node and fan actuators in EnergyPlus via Python API without being overwritten by SetpointManagers or system logic?
setpoint-manager
actuator
ems-control
python
energyplus
400
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
209
views
2
answers
no
votes
2025-05-20 07:52:55 -0500
RobinCris
openstudio transparent walls (only with windows)
openstudio
energyplus
idf-file
bug-report
geometry
1k
views
no
answers
2
votes
2025-05-20 07:27:17 -0500
Zakaria
EnergyPlus Walk-in Freezer Model Issue: Compressor Runtime Fraction Not Equal to 0 When Power is 0W
refrigeration-equipment
energyplus
walkin-freezer
compressor
air-chiller
545
views
2
answers
6
votes
2025-05-19 09:07:14 -0500
Julien Marrec
Fan motor efficiency has no impact on energy consumption
openstudio
fan-coil-unit
fan
energyplus
150
views
1
answer
no
votes
2025-05-19 07:34:55 -0500
kwalkerman
Defining CO2 levels inside thermal zone and Control it
co2
openstudio
energyplus
vegetation
mechanical-ventilation
227
views
2
answers
4
votes
2025-05-19 07:24:01 -0500
kwalkerman
Incorrect autosizing of PTHP's heating coil
energyplus
pthp
autosizing
bug-report
69
views
no
answers
no
votes
2025-05-18 10:06:19 -0500
ssjjjyyy
Cooling Energy Increase after Reducing Nominal Lighting Power
energyplus
internal-load
lighting
cooling-load
openstudio
108
views
no
answers
2
votes
2025-05-17 09:57:41 -0500
Babson
Double skin facade with PCM blinds
double-skin-facade
phase-change-material
blind
openstudio
openstudio-application
307
views
1
answer
no
votes
2025-05-16 09:12:06 -0500
Aaron Boranian
Severe ** CheckWarmupConvergence: Loads Initialization, Zone="L01-1 BR 10" did not converge after 25 warmup days.
openstudio
openstudio-application
warmup
convergence
severe-error
341
views
1
answer
2
votes
2025-05-16 02:36:33 -0500
Ski90Moo
OpenStudio Convergence Error
openstudio
convergence
severe-error
energyplus
warmup
« previous
1
...
5
6
7
8
9
...
436
next page »
Training Workshops
Contributors
Tags
energyplus
×19
openstudio
×15
hvac-control
×5
ems-control
×4
openstudio-application
×4
warmup
×4
blind
×3
designbuilder
×3
shading-control
×3
actuator
×2
bug-report
×2
convergence
×2
energyplus-api
×2
geometry
×2
mechanical-ventilation
×2
openstudio-measure
×2
openstudio-sdk
×2
outdoor-air
×2
output-report
×2
output-variable
×2
python
×2
python-ems
×2
severe-error
×2
air-chiller
×1
airflow-network
×1
airloophvac
×1
ashrae-90.1
×1
autosizing
×1
baseline
×1
bcl
×1
co2
×1
compressor
×1
construction
×1
construction-set
×1
cooling-capacity
×1
cooling-coil
×1
cooling-load
×1
district-cooling
×1
double-skin-facade
×1
dual-thermostat
×1
energyplus-to-fmu
×1
external-interface
×1
fan
×1
fan-coil-unit
×1
fault
×1
fcu
×1
glare
×1
heat-pump
×1
idf-file
×1
illuminance
×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
×