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
13084
questions
Tagged
117
views
1
answer
3
votes
2025-04-03 03:09:35 -0500
PmP
EnergyPlus Air-Chiller Heat Balance Query
energy-balance
heat-balance
air-chiller
energyplus
refrigeration-equipment
196
views
1
answer
1
vote
2025-04-03 08:13:51 -0500
Aaron Boranian
EnergyPlus Node Connection Error – “AHU DEMAND INLET NODE” Not Matched to a Controlled Zone
hvac
node-connection
air-loop
energyplus
severe-error
161
views
no
answers
no
votes
2025-04-04 09:57:55 -0500
Hugo Segura
Hi, I'm new to Pat OpenStudio. I'm unable to get values in the Summary Table. Could you help me find the problem?
openstudio-pat
summary
pat
2k
views
no
answers
no
votes
2025-04-07 09:42:21 -0500
Aaron Boranian
Hey folks, I ran into this error while using the CreateDOEPrototypeBuilding measure in OpenStudio . How to solve this problem?
apply-measure
building-envelope
commercial-prototype-building
openstudio
openstudio-standards
72
views
no
answers
no
votes
2025-04-07 09:41:02 -0500
Aaron Boranian
negative coil bypass factor ?
energyplus
severe-error
vrf
133
views
no
answers
1
vote
2025-04-06 08:20:36 -0500
Nico001
How to link HX with supply side of condenser loop in DesignBuilder
designbuilder
ground-source-heat-pump
condenser-loop
heat-exchanger
hvac-diagram
433
views
1
answer
2
votes
2025-06-24 09:08:53 -0500
DamonHD
Unexpected design-day heat flows vs U-values in simple building
u-value
energyplus
construction
heat-transfer
heating-load
71
views
no
answers
no
votes
2025-04-07 09:41:37 -0500
KLim
Gas-fired Coil vs Hot Water Coil
heating-coil
hot-water-loop
boiler
115
views
1
answer
1
vote
2025-04-09 10:04:16 -0500
rraustad
Controller Water coil configuration
controller
openstudio-application
water-coil
hvac-control
198
views
1
answer
1
vote
2025-04-11 09:44:39 -0500
shorowit
Specifying Schedule:File path in OSW configuration
energyplus
openstudio
severe-error
schedule
csv-file
1k
views
6
answers
7
votes
2025-09-18 17:12:24 -0500
ericmartinpe
How do you model minimum and high efficiency DX cooling and heat pump equipment?
dx
hvac
performance-curve
fan
92
views
no
answers
no
votes
2025-04-10 15:11:08 -0500
mj
OpenStudio - How do I reset the origin of the grid in 3D view?
openstudio
openstudio-application
geometry
483
views
1
answer
no
votes
2025-04-15 07:32:56 -0500
BrianLBall
Pat measures don't appear in measure library
pat
measure
openstudio-pat
102
views
no
answers
no
votes
2025-04-11 04:25:22 -0500
Novak Popovic
Separate houses- EnergyPlus
energyplus
sketchup
multi-building
residential-modeling
77
views
no
answers
no
votes
2025-04-13 21:32:01 -0500
antonszilasi
Open Studio water heater direct query failing.
openstudio
water-heater
openstudio-application
dhw
energyplus
61
views
no
answers
2
votes
2025-04-12 09:55:42 -0500
Keigo
Valid range of inlet air WB for cooling towers
energyplus
cooling-tower
wet-bulb
warning
performance-data
206
views
1
answer
no
votes
2025-04-15 07:55:51 -0500
Denis Bourgeois
where can I find Construction:AirBoundary in Openstudio
openstudio
openstudio-application
construction
air-wall
boundary-condition
99
views
no
answers
no
votes
2025-04-15 10:00:22 -0500
Aaron Boranian
geometric error updating from v. 8.5 to 9.6
geometry
energyplus
idf-version-updater
warning
60
views
no
answers
no
votes
2025-04-14 22:25:09 -0500
walk_er
Issue Extracting Data from ESO files and CSV-to-EPW Conversion Using Python [closed]
eso-file
csv
python
energyplus
216
views
1
answer
2
votes
2025-04-15 16:52:48 -0500
shorowit
Issue Extracting Data from ESO files and CSV-to-EPW Conversion Using Python
eso-file
csv
python
energyplus
193
views
no
answers
1
vote
2025-04-16 17:25:39 -0500
IanVG
PNNL Prototype Scorecards versus DOE Building Prototype
openstudio-standards
schedules
prototype
doe-prototype-buildings
commercial-prototype-building
361
views
no
answers
no
votes
2025-04-17 17:19:20 -0500
IanVG
Trace 3D Plus Schedule Recommendations
trane-trace
schedules
occupancy
design-day
energyplus
128
views
1
answer
4
votes
2025-04-21 16:28:46 -0500
IanVG
College Occupancy Schedules
openstudio
schedules
trane-trace
college
prototype
223
views
2
answers
1
vote
2025-04-25 13:22:41 -0500
Fred
AFN Simulation Control Azimuth Angle
energyplus
airflow-network
orientation
geometry
88
views
no
answers
no
votes
2025-04-18 13:44:46 -0500
mj
Open Studio - VRF unit COP high at lower temp
openstudio
openstudio-application
vrf
107
views
no
answers
no
votes
2025-04-18 15:18:24 -0500
myg7499
Cannot see Floorspacejs
floorspace.js
openstudio
openstudio-application
geometry
313
views
1
answer
2
votes
2025-04-22 10:50:36 -0500
IanVG
OpenStudio Wiki Creation
openstudio
openstudio-wiki
meta
bem-community
documentation
1k
views
1
answer
1
vote
2025-04-24 14:45:11 -0500
Denis Bourgeois
creating glazing construction from scratch
openstudio
openstudio-application
glazing
construction
bcl
74
views
no
answers
1
vote
2025-04-21 12:04:27 -0500
mep_engineer
modify weather file in doe prototype buildings
doe-prototype-buildings
energyplus
weather-file
design-day
commercial-prototype-building
121
views
1
answer
no
votes
2025-04-22 07:41:47 -0500
rraustad
Could not open file out\eplusout.mtd for output (write)
simulation-failure
energyplus
reinforcement-learning
python-plugin
« previous
1
...
426
427
428
429
430
...
437
next page »
Training Workshops
Contributors
Tags
energyplus
×15
openstudio
×10
openstudio-application
×7
geometry
×4
commercial-prototype-building
×3
construction
×3
schedules
×3
severe-error
×3
csv
×2
design-day
×2
doe-prototype-buildings
×2
eso-file
×2
hvac
×2
openstudio-pat
×2
openstudio-standards
×2
pat
×2
prototype
×2
python
×2
trane-trace
×2
vrf
×2
warning
×2
air-chiller
×1
airflow-network
×1
air-loop
×1
air-wall
×1
apply-measure
×1
bcl
×1
bem-community
×1
boiler
×1
boundary-condition
×1
building-envelope
×1
college
×1
condenser-loop
×1
controller
×1
cooling-tower
×1
csv-file
×1
designbuilder
×1
dhw
×1
documentation
×1
dx
×1
energy-balance
×1
fan
×1
floorspace.js
×1
glazing
×1
ground-source-heat-pump
×1
heat-balance
×1
heat-exchanger
×1
heating-coil
×1
heating-load
×1
heat-transfer
×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
×