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
916
questions
Tagged
140
views
no
answers
1
vote
2025-03-29 10:10:26 -0500
ssjjjyyy
DesignSpecification: OutdoorAir: SpaceList giving 0 mechanical ventilation
mechanical-ventilation
energyplus
ventilation
outdoor-air
spaces
364
views
no
answers
no
votes
2025-03-28 13:53:05 -0500
TiagoVicenteup
Error: EnergyPlus returned a non-zero exit code (1). Check the stdout-energyplus log
fatal
energyplus
openstudio
openstudio-application
119
views
no
answers
1
vote
2025-03-25 11:07:39 -0500
Zakaria
Inlet Coil Temperature for Air Chiller in EnergyPlus
air-chiller
output-variable
energyplus
hvac
node-connection
226
views
no
answers
no
votes
2025-03-18 12:02:25 -0500
Aaron Boranian
OpenStudio: Adding a second PVAV gives heating coil missing property error
heating-coil
severe-error
energyplus
node-connection
air-loop
153
views
no
answers
1
vote
2025-03-13 06:14:37 -0500
Giovanni Miracco
DesignBuilder ASHP with radiant surface - does not maintain the indoor setpoint in winter
ashp
designbuilder
radiant-heating
air-to-water-heat-pump
unmet-hours
844
views
no
answers
no
votes
2025-03-07 03:17:04 -0500
dimitra
No mechanical ventilation electricity or losses in Simple Hvac
mechanical-ventilation
designbuilder
designbuilder-results-viewer
149
views
no
answers
no
votes
2025-02-26 03:42:46 -0500
Bilal Ahmed
Cooling Tower is storing excess heat the majority of the time
plant-loop
energyplus
warning
condenser-loop
commercial-reference-building
212
views
no
answers
2
votes
2025-02-24 06:38:57 -0500
Aaron Boranian
Incorporate time lag in simulation
energyplus
timestep
ems-control
437
views
no
answers
no
votes
2025-02-19 15:19:30 -0500
angelson
How to resolve gross_rated_sensible_heat_ratio error of EnergyPlus measures in OpenStudio
energyplus
energyplus-measure
openstudio
severe-error
dx-coil
97
views
no
answers
no
votes
2025-02-13 09:13:28 -0500
ArchJan
How to model a modulating DX heat pump heating/cooling coil with modulating hot gas reheat
cool-reheat
packaged-heat-pump
reheat
designbuilder
energyplus
111
views
no
answers
1
vote
2025-02-05 14:29:49 -0500
Aaron Boranian
control of hybrid system for heating
ems-control
energyplus
ems
hvac-control
outdoor-temperature
85
views
no
answers
no
votes
2025-01-20 12:16:59 -0500
jferamo89
Unregulated loads in production plant
leed
mechanical-ventilation
55
views
no
answers
1
vote
2025-01-08 13:35:15 -0500
kbk78
Discrepency in "Outdoor air Details" HTML Output report
energyplus
outputs
outdoor-air
summary-report
mechanical-ventilation
826
views
no
answers
1
vote
2025-01-06 19:51:05 -0500
mattkoch
Impact of OpenStudioApp OS:Controller:OutdoorAir "Minimum Outdoor Air Flow Rate"
openstudio-application
outdoor-air
economizer
autosizing
energyplus
105
views
no
answers
no
votes
2025-01-06 16:27:55 -0500
Aaron Boranian
How to Control Twospeed heat pump using actuator?
actuator
energyplus
python-ems
hvac-control
air-source-heat-pump
88
views
no
answers
1
vote
2025-01-02 04:18:40 -0500
Keigo
Latent Capacity of Coil:Cooling:Water
energyplus
sizing
water-coil
258
views
no
answers
no
votes
2024-12-30 09:40:51 -0500
Aaron Boranian
Temperature/relative humidity out of bounds/range, large latent heat
energyplus
hamt
warning
severe-error
142
views
no
answers
no
votes
2024-12-16 05:12:55 -0500
Hussien Musa
heat pump for domestic hot water in openstudio
air-source-heat-pump
service-hot-water
heat-pump-water-heater
openstudio-application
sizing
84
views
no
answers
no
votes
2024-12-14 02:11:02 -0500
Ram
How to vary the air flow rate and fan power based on variation in AHU cooling load?
flow-rate
air
air-flow
flow-control
178
views
no
answers
1
vote
2024-12-01 16:37:54 -0500
Ski90Moo
How to implement Fan:SystemModel with Discrete speeds
energyplus
fans
speed
discretization
idf
100
views
no
answers
no
votes
2024-11-29 08:58:01 -0500
AvgStudent
EMS Simulation Initialization Error
openstudio
measure
severe-error
ems
105
views
no
answers
2
votes
2024-11-22 17:38:01 -0500
sashadf1
Hard-sizing equipment capacities in OpenStudio?
openstudio
hardsizing
openstudio-application
62
views
no
answers
no
votes
2024-11-22 16:55:04 -0500
alireza
air distribution effectiveness schedule
energyplus
air-distribution
vav
132
views
no
answers
1
vote
2024-11-20 03:29:24 -0500
sz1980
Facility Total HVAC Electricity Demand Rate and IdealLoadsAirSystem
energy-consumption
ideal-loads-air-system
hvac
energyplus
demand
101
views
no
answers
no
votes
2024-11-17 06:20:08 -0500
seonu choi
How can I utilize waste heat from a data center using OpenStudio? (1)
air-to-water-heat-pump
openstudio-application
heat-recovery
data-center
swimming-pool
85
views
no
answers
no
votes
2024-11-14 00:30:09 -0500
Preetha Malini
Regarding NREL Building template using for Energyplus
energyplus
solar
air
air-conditioner
69
views
no
answers
no
votes
2024-11-12 14:35:26 -0500
RTM63
Using FluidCooler for Water Economizer at Low Temps
fluid-cooler
openstudio-application
ashrae-90.1
hydronic-economizer
177
views
no
answers
no
votes
2024-11-06 15:31:02 -0500
Aaron Boranian
EnergyPlus model vs raw calculation for AHU cooling
air-cooled-chiller
energy
cop
enthalpy
energyplus
151
views
no
answers
no
votes
2024-11-06 04:00:53 -0500
Behnam
Possibility of integration of PTHP with water storage tank for space heating
hvac
storage-tank
pthp
energyplus
configuration
180
views
no
answers
no
votes
2024-11-04 07:32:02 -0500
TIMO TIMO E+
If I want to simulate different air conditioning systems in jeplus
air-conditioner
jeplus
energyplus
parametric-analysis
« previous
1
2
3
4
5
...
31
next page »
Training Workshops
Contributors
Tags
energyplus
×21
openstudio-application
×6
mechanical-ventilation
×4
openstudio
×4
severe-error
×4
designbuilder
×3
hvac
×3
outdoor-air
×3
air
×2
air-conditioner
×2
air-source-heat-pump
×2
air-to-water-heat-pump
×2
ems
×2
ems-control
×2
hvac-control
×2
node-connection
×2
sizing
×2
warning
×2
actuator
×1
air-chiller
×1
air-cooled-chiller
×1
air-distribution
×1
air-flow
×1
air-loop
×1
ashp
×1
ashrae-90.1
×1
autosizing
×1
commercial-reference-building
×1
condenser-loop
×1
configuration
×1
cool-reheat
×1
cop
×1
data-center
×1
demand
×1
designbuilder-results-viewer
×1
discretization
×1
dx-coil
×1
economizer
×1
energy
×1
energy-consumption
×1
energyplus-measure
×1
enthalpy
×1
fans
×1
fatal
×1
flow-control
×1
flow-rate
×1
fluid-cooler
×1
hamt
×1
hardsizing
×1
heating-coil
×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
×