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
3690
questions
Tagged
131
views
1
answer
2
votes
2025-07-08 08:49:02 -0500
Zakaria
No Change in Zone Air Relative Humidity When Modifying Rated RH in AirChiller Object
air-chiller
refrigeration-equipment
cooling-capacity
energyplus
humidity-control
96
views
no
answers
1
vote
2025-07-07 22:51:51 -0500
Keigo
EnergyPlus Crashes with Fan:VariableVolume or Fan:ConstantVolume
energyplus
bug-report
crash
fan
312
views
1
answer
1
vote
2025-07-20 04:30:41 -0500
XYFANS
'ClothingInsulationSchedule' not works in Fanger
energyplus
people
thermal-comfort
output-variable
bug-report
97
views
no
answers
3
votes
2025-07-10 01:25:27 -0500
Keigo
Required Objects for Dehumidifier:Desiccant:System
energyplus
desiccant
documentation
dehumidification
humidity-control
85
views
no
answers
3
votes
2025-07-11 08:41:30 -0500
Zakaria
Unexpected Latent Capacity in Air-Chiller Coil for Refrigerated Warehouse Model
air-chiller
warehouse
latent-cooling
energyplus
hvac-control
201
views
1
answer
no
votes
2025-07-17 18:40:46 -0500
mep_engineer
Ventillation in Openstudio
ventilation
openstudio
energyplus
summary-report
infiltration
122
views
no
answers
1
vote
2025-07-17 00:12:05 -0500
Ne
How to set up the system to send cool air from one room to sevelal other rooms with E+
energyplus
zone-mixing
hvac-control
1k
views
2
answers
8
votes
2025-09-08 02:46:16 -0500
PmP
How should Air Boundary + Simple Zone Mixing work?
energyplus
air-mixing
zone-mixing
mass-conservation
bug-report
244
views
no
answers
1
vote
2025-07-28 22:47:18 -0500
karman
air to air transfer between PAU and AHU (OpenStudio)
air-loop
air-mixing
air-handling-unit
heat-recovery
openstudio
123
views
no
answers
1
vote
2025-07-24 11:12:12 -0500
drulff
Severe Error - Node Names conflict with User-Defined Component (using 2 Plant connections in AirTerminal:SingleDuct:UserDefined)
energyplus
nodes
user-defined-component
plant-connection
terminal-unit
166
views
1
answer
2
votes
2025-07-26 15:18:15 -0500
shorowit
Are there Workflows or In-Depth Whitepapers on Modeling Air-to-Water Heat Pumps for Radiant Floor/ceiling/panel heating/cooling in EnergyPlus 25.1?
low-temperature-radiant
hydronic
energyplus
air-to-water-heat-pump
plant-loop
179
views
no
answers
1
vote
2025-08-01 06:11:47 -0500
August
dehumidification cooling energy + air reheating energy in designbuilder simple hvac
designbuilder
dehumidification
reheat
output-report
439
views
1
answer
no
votes
2025-08-06 19:03:50 -0500
Greg Estep
Is it possible to use ZoneMixing between non-adjacent zones?
energyplus
zone-mixing
air-flow
312
views
no
answers
no
votes
2025-08-06 09:57:41 -0500
Aaron Boranian
HVAC System Configuration with Heat Recovery in OpenStudio
openstudio-application
hvac
chiller
ahu
thermal-zone
1k
views
2
answers
2
votes
2025-08-26 03:13:36 -0500
PmP
PlantEquipmentOperation:OutdoorDryBulb
energyplus
severe-error
plant-equipment-operation
hvac-control
bug-report
530
views
no
answers
1
vote
2025-08-07 03:23:48 -0500
Jroberts
Using the ASTMC1340 convection algorithm in E+
convection
convection-algorithm
convection-coefficient
vented-cavity
energyplus
501
views
1
answer
no
votes
2025-08-07 20:17:53 -0500
Greg Estep
In ENrgyPlus, Is there a way to create EnergyManagementSystem:Actuator with Actuated component type Coil:Heating:Electric and control type as Nominal capacity?
energyplus
ems
actuator
ems-control
heating-coil
145
views
no
answers
3
votes
2025-08-11 03:55:51 -0500
Keigo
Cooling Tower Fan Power Adjustment Curve
energyplus
cooling-tower
performance-curve
performance-data
357
views
1
answer
no
votes
2025-08-13 10:01:16 -0500
Aaron Boranian
Simulated Indoor Temperatures are too High - DesignBuilder
designbuilder
calibration
indoor-temperature
zone-temperature
447
views
no
answers
3
votes
2025-08-13 03:23:00 -0500
Keigo
Performance Curves for HeatExchanger:AirToAir:SensibleAndLatent
energyplus
heat-exchanger
performance-curve
documentation
performance-data
706
views
no
answers
no
votes
2025-08-22 05:57:43 -0500
nathali107
Unmet hours too high (3500 hrs)
vrf
equest
unmet-hours
881
views
no
answers
no
votes
2025-08-26 10:32:14 -0500
Rht
Different cooling loads between conventional HVAC and geothermal HVAC?
air-conditioner
cooling-load
1k
views
1
answer
2
votes
2025-09-03 19:58:27 -0500
Mitchal Dichter
Dual OpenStudio Application license and GNU GPLv3 Compliance
openstudio-application
1k
views
no
answers
no
votes
2025-09-03 11:12:51 -0500
Anthony
Issues with compressor nominal capacity mismatch and modeling a cold antechamber in EnergyPlus supermarket model
refrigeration
walk-in
supermarket
air-chiller
compressor
780
views
1
answer
1
vote
2025-09-19 07:07:02 -0500
Luís Filipe Sousa
How to set up an Hybrid ventilation unit in design Builder
designbuilder
detailed-hvac
hybrid
ventilation
hvac-control
115
views
1
answer
1
vote
2025-10-05 06:55:43 -0500
Greg Estep
Setpoint Manager on the demand side of the hot water loop in DesignBuilder
designbuilder
setpoint-manager
hot-water-loop
outdoor-temperature
hvac-control
125
views
1
answer
1
vote
2025-10-02 03:28:50 -0500
Luís Filipe Sousa
How to connect Zone Water-to-Air Heat Pump to individual zones instead of a Zone Group in DesignBuilder?
zone
water-to-air
heat-pump
designbuilder
zone-hvac
132
views
1
answer
1
vote
2025-10-17 02:36:50 -0500
jordibrunet
Dehumidifying not working - Open studio help?
openstudio
openstudio-application
dehumidification
humidity-control
hvac-control
95
views
1
answer
1
vote
2025-10-15 04:51:41 -0500
Luís Filipe Sousa
How to solve “Component disconnected” error in DesignBuilder for Fan Coil Unit and Zone Group?
designbuilder
hvac
fcu
error
hvac-diagram
156
views
1
answer
1
vote
2025-10-15 08:25:38 -0500
Greg Estep
Negative Interzone Floor Zone Component Load Summary Results
energyplus
zone-component-load-summary
summary-report
heat-transfer
« previous
1
...
119
120
121
122
123
Training Workshops
Contributors
Tags
energyplus
×17
designbuilder
×6
hvac-control
×6
bug-report
×4
air-chiller
×3
dehumidification
×3
humidity-control
×3
openstudio
×3
openstudio-application
×3
zone-mixing
×3
air-mixing
×2
documentation
×2
hvac
×2
performance-curve
×2
performance-data
×2
summary-report
×2
ventilation
×2
actuator
×1
ahu
×1
air-conditioner
×1
air-flow
×1
air-handling-unit
×1
air-loop
×1
air-to-water-heat-pump
×1
calibration
×1
chiller
×1
compressor
×1
convection
×1
convection-algorithm
×1
convection-coefficient
×1
cooling-capacity
×1
cooling-load
×1
cooling-tower
×1
crash
×1
desiccant
×1
detailed-hvac
×1
ems
×1
ems-control
×1
equest
×1
error
×1
fan
×1
fcu
×1
heat-exchanger
×1
heating-coil
×1
heat-pump
×1
heat-recovery
×1
heat-transfer
×1
hot-water-loop
×1
hvac-diagram
×1
hybrid
×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
×
