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
13081
questions
Tagged
227
views
1
answer
1
vote
2025-05-09 09:53:56 -0500
Denis Bourgeois
unreasonable intersection lines
openstudio-sketchup-plugin
openstudio
surface-intersecting
error
143
views
1
answer
no
votes
2025-05-09 08:58:52 -0500
Aaron Boranian
PRM 90.1 2019 measure from PNNL on Openstudio
openstudio-measure
openstudio-standards
error
103
views
no
answers
no
votes
2025-05-09 08:17:33 -0500
Alex89
Whats a realistic powerusage for Fans in PTAC Cooling
energyplus
openstudio
cooling
ptac
fan
155
views
no
answers
no
votes
2025-05-08 12:18:59 -0500
PB
Create or modify a Design Day File
design-day
openstudio
energyplus
weather-file
275
views
1
answer
1
vote
2025-05-08 11:33:55 -0500
agamas
BeOpt - New Construction ACCA Manual J HP Autosizing
beopt
residential
air-source-heat-pump
manual-j
58
views
no
answers
1
vote
2025-05-08 11:21:09 -0500
dradair
PVVT Heating Airflow modulation
equest
air-flow
unmet-hours
114
views
no
answers
no
votes
2025-05-07 11:43:59 -0500
m19
Openstudio fault creation
openstudio
hvac
openstudio-application
operational-fault
openstudio-measure
121
views
1
answer
1
vote
2025-05-07 06:13:15 -0500
JasonGlazer
Climatic Data Summary is coming out blank from Openstudio even with epw file selected
openstudio
epw-file
stat-file
energyplus
summary-report
156
views
2
answers
no
votes
2025-05-06 17:38:19 -0500
Aaron Boranian
Initial temperature unmatching
energyplus
airflow-network
initial-conditions
warmup
168
views
no
answers
2
votes
2025-05-06 15:18:47 -0500
Kashif72
How to get Exfiltration Values (amount of air leaving a zone) in EnergyPlus output files?
energyplus
exfiltration
output-variable
airflow-network
396
views
1
answer
no
votes
2025-05-05 07:51:58 -0500
Fred
how can I apply airflow network with ideal air loads?
airflow-network
ideal-loads-air-system
energyplus
natural-ventilation
396
views
1
answer
2
votes
2025-05-04 11:37:03 -0500
josepsolebonet@telefonica.net
Using Operative Temperature in OpenStudio instead of Air Temperature for the Thermostat
openstudio
measure
operative-temperature
energyplus
thermostat
340
views
1
answer
3
votes
2025-05-03 14:32:57 -0500
lrsanchez510
How to model defrost cycles in EnergyPlus
air-source-heat-pump
defrost
energyplus
dx-coil
output-variable
246
views
no
answers
no
votes
2025-05-02 17:00:38 -0500
Aaron Boranian
BEopt v3.0.1.0 - Error: "Cannot find corresponding design option in design" during Detailed Report generation
beopt
report
summary-report
application-error
bug-report
166
views
no
answers
1
vote
2025-05-02 09:42:54 -0500
Denis Bourgeois
Troubleshooting of a heated floor system
designbuilder
radiant-heating
gshp
hvac-control
low-temperature-radiant
126
views
1
answer
1
vote
2025-04-30 12:55:27 -0500
shorowit
BeOpt - Cooling Energy vs Cooling Fan/Energy
beopt
residential
cooling
fan
results
291
views
1
answer
1
vote
2025-04-29 12:11:30 -0500
Greg Estep
Modeling Centralized Cooling for Multiple Buildings in DesignBuilder
designbuilder
district-cooling
plant-loop
multi-building
158
views
1
answer
1
vote
2025-04-28 19:16:07 -0500
shorowit
at which pressure ACH is reported in EP?
infiltration
energyplus
ach
output-variable
leakage
827
views
3
answers
3
votes
2025-04-28 08:04:17 -0500
Anurag_G
How to Model AHU with DOAS in DesignBuilder?
designbuilder
doas
air-loop
139
views
no
answers
no
votes
2025-04-28 06:16:43 -0500
Denis Bourgeois
Natural Ventilation not following my inputs on DesignBuilder [closed]
natural-ventilation
designbuilder
bug-report
291
views
no
answers
no
votes
2025-04-28 05:46:41 -0500
Anurag_G
Modelling core and shell zones under tenant for LEED
designbuilder
leed
ashrae-90.1
baseline
263
views
1
answer
no
votes
2025-04-27 08:35:57 -0500
Denis Bourgeois
I want to put mechanical ventilation in my openstudio model
mechanical-ventilation
openstudio
openstudio-application
223
views
2
answers
1
vote
2025-04-25 13:22:41 -0500
Fred
AFN Simulation Control Azimuth Angle
energyplus
airflow-network
orientation
geometry
144
views
1
answer
1
vote
2025-04-25 13:16:47 -0500
glinn07
Downgrade E+ on mac
mac-os
installation
energyplus
version
185
views
1
answer
no
votes
2025-04-25 13:14:35 -0500
Denis Bourgeois
Glass U-factor in ASHRAE baseline
baseline
openstudio-standards
ashrae-90.1
summary-report
fenestration
141
views
no
answers
no
votes
2025-04-25 09:03:42 -0500
MarcF
Create typical buiding measure - undefined model standard climate zone [closed]
apply-measure
240
views
no
answers
no
votes
2025-04-25 08:45:01 -0500
Aaron Boranian
How to Model AHU with DOAS in DesignBuilder? [closed]
designbuilder
doas
air-loop
655
views
1
answer
1
vote
2025-04-25 06:17:46 -0500
Denis Bourgeois
I have a query regarding the energy modelling approach for a data hall.
energyplus
ashrae-90.1
hvac-control
data-center
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
198
views
no
answers
no
votes
2025-04-24 14:43:53 -0500
Denis Bourgeois
Heating and cooling load in a baseline model (DesignBuilder)
designbuilder
hvac
ashrae-90.1
baseline
unmet-hours
« previous
1
...
7
8
9
10
11
...
437
next page »
Training Workshops
Contributors
Tags
energyplus
×12
openstudio
×8
designbuilder
×7
airflow-network
×4
ashrae-90.1
×4
baseline
×3
beopt
×3
openstudio-application
×3
output-variable
×3
summary-report
×3
air-loop
×2
air-source-heat-pump
×2
bug-report
×2
cooling
×2
doas
×2
error
×2
fan
×2
hvac
×2
hvac-control
×2
natural-ventilation
×2
openstudio-measure
×2
openstudio-standards
×2
residential
×2
unmet-hours
×2
ach
×1
air-flow
×1
application-error
×1
apply-measure
×1
bcl
×1
construction
×1
data-center
×1
defrost
×1
design-day
×1
district-cooling
×1
dx-coil
×1
epw-file
×1
equest
×1
exfiltration
×1
fenestration
×1
geometry
×1
glazing
×1
gshp
×1
ideal-loads-air-system
×1
infiltration
×1
initial-conditions
×1
installation
×1
leakage
×1
leed
×1
low-temperature-radiant
×1
mac-os
×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
×