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251
questions
Tagged
6k
views
5
answers
7
votes
2022-06-07 10:13:38 -0500
obuchely
Thermal Load too low in the OpenStudio / EnergyPlus
openstudio
ideal-loads-air-system
cooling-load
heating-load
energyplus
412
views
no
answers
1
vote
2022-06-14 12:00:35 -0500
mka
Cannot run simulation in BEopt 2.8 when modeling a 2-unit multi-family home with finished basement. "Convergence error in SolveForWindow Temperatures"
beopt
energyplus
window
temperature
convergence
499
views
no
answers
no
votes
2022-07-20 13:48:03 -0500
ChrisC
CheckWarmUpConvergence Error
energyplus
warmup
severe-error
commercial-prototype-building
convergence
483
views
1
answer
2
votes
2022-07-30 15:57:44 -0500
Jason DeGraw
When used at low flow rates, the airflow direction became opposite to the intended direction.
airflow-network
multi-zone
air-loop
energyplus
severe-error
298
views
no
answers
no
votes
2022-08-02 09:06:41 -0500
Aaron Boranian
Eppy fails then running large amount of IDF files
eppy
python
batch-run
194
views
no
answers
no
votes
2022-08-02 09:08:44 -0500
Aaron Boranian
Error modelling SwitchableGlazing
openstudio
shading-control
openstudio-application
dynamic-glazing
356
views
1
answer
no
votes
2022-08-30 09:03:38 -0500
rraustad
PsyRhoAirFnPbTdbW: RhoAir (Density of Air) is calculated <= 0
severe-error
openstudio-application
energyplus
psychrometric
365
views
1
answer
no
votes
2022-09-14 01:17:27 -0500
Masoud
Missing required property 'zone_supply_air_node_name'
openstudio
openstudio-sdk
severe-error
zone-hvac
nodes
1k
views
2
answers
3
votes
2022-10-12 01:59:18 -0500
Julien Marrec
Missing required property 'air_inlet_node_name'
hvac
openstudio
openstudio-application
severe-error
node-connection
378
views
no
answers
1
vote
2022-11-03 13:41:01 -0500
Aaron Boranian
Surface temperature out of bounds
data-center
surface-temperature
energyplus
warmup
error
238
views
no
answers
no
votes
2022-12-20 09:18:14 -0500
Aaron Boranian
Simulating energyplus with the BCVTB interface
energyplus
openstudio
bcvtb
severe-error
system-sizing
162
views
no
answers
2
votes
2023-01-13 13:08:57 -0500
Zakaria
Walk-in Air-Chiller Warning
energyplus
air-chiller
walkin-freezer
warning
295
views
1
answer
1
vote
2023-01-24 09:47:22 -0500
muhl
Severe error for ASHP with switchover control with OAT
beopt
severe-error
retrofit
air-source-heat-pump
warmup
492
views
2
answers
no
votes
2023-02-15 15:22:46 -0500
krkh-1702
Fatal: Error in Reading Weather Data
hpxml
weather-file
openstudio-cli
template-run-hpwxml
179
views
no
answers
2
votes
2023-03-17 09:10:54 -0500
Aaron Boranian
Warnings while simulating a walk-in freezer using Air-chiller object
energyplus
warning
refrigeration
heat-balance
air-chiller
134
views
no
answers
no
votes
2023-03-28 20:47:27 -0500
vitorleiteg
OS 3.5.1 - Central HPWH Error when running the baseline measure
openstudio
plant-equipment-operation
plant-loop
severe-error
openstudio-application
767
views
2
answers
2
votes
2023-03-29 07:58:30 -0500
Zakaria
Air-Chiller temperature setpoint
energyplus
air-chiller
setpoint
thermostat
refrigeration
1k
views
2
answers
no
votes
2023-04-26 14:46:05 -0500
rraustad
Inconsistent crash without error log
energyplus
crash
application-error
290
views
no
answers
no
votes
2023-05-02 08:56:53 -0500
rraustad
Do you understand this warning?: ** Warning ** HeatExchanger:AirToAir:SensibleAndLatent "HVAC-HE": Average air volume flow rate is <50% or >130% warning continues.
air-flow
energyplus
warning
heat-exchanger
flow-rate
600
views
1
answer
1
vote
2023-05-02 08:58:00 -0500
rraustad
Heat Exchanger with autosized flow rate generates warning about flow rate
energyplus
heat-exchanger
flow-rate
warning
14k
views
2
answers
7
votes
2023-05-19 12:21:08 -0500
rraustad
negative coil bypass factor calculated
energyplus
system-sizing
dx-coil
warning
cooling-coil
237
views
no
answers
no
votes
2023-05-29 16:22:43 -0500
Aaron Boranian
Problem implementing IDF-File from OpenStudio to EnergyPlus
energyplus
openstudio
export
severe-error
geometry
677
views
1
answer
1
vote
2023-06-12 03:17:45 -0500
max
State control in a MPC framework
mpc
api
hvac-control
python
energyplus
1k
views
2
answers
2
votes
2023-08-01 11:06:30 -0500
samaneh.fakouriyan
"Unanticipated combination of heating and cooling loads"
energyplus
dual-setpoint
openstudio
severe-error
thermostat
522
views
1
answer
no
votes
2023-08-21 17:18:38 -0500
ricardolionar
How EnergyPlus determine the boundary condition before warmup convergence?
energyplus
conduction
boundary-condition
heat-transfer
166
views
no
answers
no
votes
2023-08-31 21:54:36 -0500
Jamie Sullivan
EnergyPlus EMS sensors not read at first timestep of warmup?
energyplus
ems
ems-control
sensor
warmup
857
views
1
answer
1
vote
2023-10-17 15:23:11 -0500
shorowit
Error in unmixed air model
openstudio
gshp
unmixed-air
severe-error
energyplus
189
views
no
answers
no
votes
2023-10-25 12:33:14 -0500
qqq000feel
EMS global variables are not initialized properly(E+ V23.1)
energyplus
ems
272
views
1
answer
1
vote
2023-10-26 06:15:04 -0500
rafael.alonso
Eliminating ShadingBuilding object crashes simulation
energyplus
shading
transmittance
severe-error
convexity
335
views
1
answer
2
votes
2023-11-29 13:42:01 -0500
Todd K.
Error after importing EnergyPlus Example IDF into OSM
energyplus-example-file
energyplus
openstudio
openstudio-application
import
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