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
700
questions
Tagged
58
views
1
answer
1
vote
2025-12-01 11:11:57 -0600
shorowit
EMS does not turn off ideal load
energyplus
ems
ideal-loads-air-system
ems-control
natural-ventilation
196
views
1
answer
1
vote
2025-12-01 04:55:16 -0600
Denis Bourgeois
Difference Turn on ideal air loads and ZoneHVAC:IdealLoadsAirSystem
openstudio
ideal-loads-air-system
district-heating
openstudio-application
heating-load
92
views
1
answer
1
vote
2025-11-25 19:54:22 -0600
antonszilasi
How can I model an ‘IdealLoadsAirSystem’
energyplus
openstudio-application
cooling-load
heating-load
ideal-loads-air-system
204
views
1
answer
no
votes
2025-11-22 10:22:42 -0600
obuchely
Problem with Ideal Loads
ideal-loads-air-system
openstudio
cooling-load
district-heating
energyplus
36
views
no
answers
no
votes
2025-11-20 14:54:06 -0600
glbrown
Using OpenStudio ver. 1.3.1 with Sketchup Plugin ver. 1.7.0 and my model has equipment and several other items which were are not active in "My Model"
openstudio
sketchup2021
openstudio-application
equipment
118
views
2
answers
1
vote
2025-11-07 07:41:50 -0600
Angothoron
Direct ON-OFF Access to Heating/Cooling System via Python API
energyplus-api
python
energyplus
ems-control
hvac-control
126
views
1
answer
1
vote
2025-11-03 08:50:14 -0600
RobinCris
Output:Variable customization
output-variable
ceiling-fan
output-meter
energyplus
202
views
1
answer
1
vote
2025-10-15 08:25:38 -0600
Greg Estep
Negative Interzone Floor Zone Component Load Summary Results
energyplus
zone-component-load-summary
summary-report
heat-transfer
129
views
no
answers
no
votes
2025-10-06 15:54:52 -0600
Twose10
Different Zone Sizing Results with Different ZoneHVAC Equipment
energyplus
autosizing
sizing
zone-sizing
61
views
no
answers
no
votes
2025-10-06 15:53:21 -0600
Twose10
Diferent ZoneHVAC -> Different Zone Sensible Heating [closed]
energyplus
autosizing
sizing
zone-sizing
214
views
1
answer
2
votes
2025-07-31 14:47:28 -0600
Yapan
ResStock Multifamily Building Simulation Details
resstock
openstudio-hpxml
multifamily
661
views
2
answers
no
votes
2025-07-20 11:55:53 -0600
Rafael
How set infiltration rate (ACH) in AFN model?
energyplus
airflow-network
infiltration
335
views
2
answers
no
votes
2025-07-16 22:37:46 -0600
yiyuan-jia
Method of introducing outside air using "ideal load system"
ideal-loads-air-system
outdoor-air
mechanical-ventilation
energyplus
108
views
no
answers
no
votes
2025-07-02 00:25:53 -0600
Pranav Deshmukh
True Peak Load Occurs on Unexpected Day — How to Identify Peak Date from Solar Gains and Geometry? [closed]
energyplus
geometry
solar-gain
peak-load
design-day
1k
views
5
answers
no
votes
2025-06-19 11:58:21 -0600
ashopinion
designbuilder v7 simple hvac seasonal cop has no effect
designbuilder
hvac
cop
summary-report
632
views
4
answers
1
vote
2025-06-02 22:54:05 -0600
yiyuan-jia
any alternative for create DOE prototype measure ?
openstudio-application
residential-modeling
thermal-analysis
apply-measure
366
views
1
answer
no
votes
2025-06-02 10:19:54 -0600
Denis Bourgeois
Output cannot be found in CSV
energyplus
output-variable
398
views
1
answer
1
vote
2025-05-27 07:12:27 -0600
Denis Bourgeois
How do I model Different window materials in Openstudio?
openstudio
window
material
construction-set
109
views
no
answers
no
votes
2025-05-18 10:06:19 -0600
ssjjjyyy
Cooling Energy Increase after Reducing Nominal Lighting Power
energyplus
internal-load
lighting
cooling-load
openstudio
398
views
1
answer
2
votes
2025-05-16 02:36:33 -0600
Ski90Moo
OpenStudio Convergence Error
openstudio
convergence
severe-error
energyplus
warmup
802
views
1
answer
5
votes
2025-05-13 15:17:22 -0600
Denis Bourgeois
… 90.1 2022 requirements for linear thermal bridges
thermal-bridge
tbd
ashrae-90.1
ecb
heat-transfer
460
views
1
answer
no
votes
2025-05-05 07:51:58 -0600
Fred
how can I apply airflow network with ideal air loads?
airflow-network
ideal-loads-air-system
energyplus
natural-ventilation
157
views
no
answers
1
vote
2025-04-06 08:20:36 -0600
Nico001
How to link HX with supply side of condenser loop in DesignBuilder
designbuilder
ground-source-heat-pump
condenser-loop
heat-exchanger
hvac-diagram
134
views
1
answer
no
votes
2025-03-19 20:19:22 -0600
shorowit
Energy use drops but energy bill same
energyplus
electricity
313
views
no
answers
no
votes
2025-03-11 10:22:45 -0600
yavi828
The Cooling Rate Is Too Little [closed]
openstudio
cooling-rate
ideal-loads-air-system
openstudio-application
246
views
1
answer
no
votes
2025-03-08 00:34:14 -0600
A.Pressler
Simple constant mech ventilation
energyplus
mechanical-ventilation
hvac-control
544
views
1
answer
no
votes
2025-03-01 05:29:10 -0600
Denis Bourgeois
What is the best way to model linear thermal bridges in EnergyPlus?
thermal-bridge
energyplus
construction
356
views
1
answer
1
vote
2025-02-27 14:35:29 -0600
Petros Dalavouras
The indoor temperature is higher than the outdoor, but the cooling power is 0
openstudio
openstudio-application
ideal-loads-air-system
dual-thermostat
189
views
no
answers
no
votes
2025-02-26 00:56:21 -0600
yavi828
The indoor temperature is higher than the outdoor, but the cooling power is 0 [closed]
openstudio
openstudio-application
ideal-loads-air-system
thermostat
279
views
3
answers
no
votes
2025-02-25 12:38:54 -0600
Denis Bourgeois
ZoneIdealLoadsZoneTotalCoolingRate Energyplus
energyplus
heat-gain
cooling-design
output-variable
ideal-loads-air-system
1
2
3
4
5
...
24
next page »
Training Workshops
Contributors
Tags
energyplus
×19
ideal-loads-air-system
×10
openstudio
×9
openstudio-application
×7
cooling-load
×3
output-variable
×3
airflow-network
×2
autosizing
×2
designbuilder
×2
district-heating
×2
ems-control
×2
heating-load
×2
heat-transfer
×2
hvac-control
×2
mechanical-ventilation
×2
natural-ventilation
×2
sizing
×2
summary-report
×2
thermal-bridge
×2
zone-sizing
×2
apply-measure
×1
ashrae-90.1
×1
ceiling-fan
×1
condenser-loop
×1
construction
×1
construction-set
×1
convergence
×1
cooling-design
×1
cooling-rate
×1
cop
×1
design-day
×1
dual-thermostat
×1
ecb
×1
electricity
×1
ems
×1
energyplus-api
×1
equipment
×1
geometry
×1
ground-source-heat-pump
×1
heat-exchanger
×1
heat-gain
×1
hvac
×1
hvac-diagram
×1
infiltration
×1
internal-load
×1
lighting
×1
material
×1
multifamily
×1
openstudio-hpxml
×1
outdoor-air
×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
×
.jpg "dradair")
