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3690
questions
Tagged
2k
views
no
answers
1
vote
2024-07-17 15:05:16 -0500
xchen
AirLoopHVAC:UnitarySystem heating PartLoadRatio calculation for cycling fan has NoHeatOutput > 0
part-load-ratio
resstock
unitary-system
energyplus
water-to-air-heat-pump
1k
views
1
answer
1
vote
2022-04-12 00:31:08 -0500
Mariam
Interzone airflow between adjacent zones with open walls and dedicated AHUs
airflow-network
interzone-wall
interzone-door
energyplus
air-mixing
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
655
views
1
answer
2
votes
2021-02-26 19:34:21 -0500
willyJohan
Modelling enclosure losses from a packaged or built-up RTU
energyplus
heat-transfer
air-handling-unit
119
views
no
answers
5
votes
2023-01-28 08:54:30 -0500
Keigo
DCV with Flow/Zone OA Method
energyplus
dcv
outdoor-air
mechanical-ventilation
237
views
2
answers
3
votes
2024-10-22 20:02:49 -0500
shorowit
Does heat pump have higher peak consumption compared to central ac system?
peak
energy-consumption
hvac
air-source-heat-pump
openstudio-hpxml
388
views
1
answer
no
votes
2022-03-13 12:42:20 -0500
Val G
ZoneHVAC:IdealLoadsAirSystem results in zero under source electricty cooling
honeybee
ideal-loads-air-system
energyplus
district-cooling
output-report
680
views
1
answer
3
votes
2021-02-16 04:02:50 -0500
anonymous17034
Hello, i have a building with FCU unit
energyplus
fan-coil-unit
air-cooled-chiller
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
70
views
no
answers
no
votes
2023-02-08 07:11:51 -0500
Katerina Karanafti
Why exhaust fan use causes heating and cooling energy needs?
energyplus
exhaust-fan
heating-load
cooling-load
ideal-loads-air-system
213
views
1
answer
1
vote
2021-03-05 08:45:17 -0500
shorowit
Dual setpoint (Heating is not working)
dual-setpoint
energyplus
window-air-conditioner
532
views
1
answer
1
vote
2023-03-22 08:15:33 -0500
Abarker
VAV minimum flow rate higher than what is specified in EnergyPlus
vav-system
vav
fan
outdoor-air
hvac-control
633
views
2
answers
1
vote
2021-05-05 16:56:06 -0500
Mitchal Dichter
HeatPumpPlantLoopEIRHeating Not Heating
energyplus
plant-loop
air-to-water-heat-pump
104
views
no
answers
no
votes
2023-03-13 04:29:10 -0500
Katerina Karanafti
Proper energy needs output variable for an IdealLoadsAirSystem
energyplus
output-variable
ideal-loads-air-system
hvac-load
1k
views
no
answers
2
votes
2025-05-20 07:27:17 -0500
Zakaria
EnergyPlus Walk-in Freezer Model Issue: Compressor Runtime Fraction Not Equal to 0 When Power is 0W
refrigeration-equipment
energyplus
walkin-freezer
compressor
air-chiller
443
views
2
answers
2
votes
2021-12-09 11:08:56 -0500
Aaron Boranian
Adding a Load Profile for an AirLoop
openstudio
openstudio-measure
air-loop
load-profile
197
views
1
answer
no
votes
2025-05-21 08:15:30 -0500
mattkoch
Assign OA cfm to Thermal Zone (LEED)
openstudio-sdk
leed
outdoor-air
thermal-zone
148
views
no
answers
no
votes
2025-02-26 00:56:21 -0500
yavi828
The indoor temperature is higher than the outdoor, but the cooling power is 0 [closed]
openstudio
openstudio-application
ideal-loads-air-system
thermostat
351
views
1
answer
1
vote
2024-02-19 11:50:53 -0500
paula
How to define a good AirflowNetwork Crack for a AirBoundary wall?
energyplus
airflow-network
air-wall
zone-mixing
560
views
no
answers
1
vote
2021-09-20 13:13:43 -0500
becker1212
HeatPump:PlantLoop:EIR:Heating/Cooling model not heating or cooling
energyplus
plant-loop
air-to-water-heat-pump
autosizing
48
views
no
answers
no
votes
2024-10-11 04:37:37 -0500
sdoc99
End uses thermal zones
thermal-zone
openstudio-application
ideal-loads-air-system
openstudio-results
656
views
1
answer
2
votes
2021-07-14 21:01:52 -0500
mattkoch
VRF System & Terminal as DOAS for another VRF Terminal?
openstudio-measure
vrf
doas
air-loop
854
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
220
views
1
answer
3
votes
2025-07-10 01:13:37 -0500
Keigo
EnergyPlus Crashes with Desiccant System
energyplus
desiccant
bug-report
dehumidifier
air-loop
248
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
254
views
no
answers
1
vote
2024-04-12 05:38:18 -0500
Keigo
DOAS is not autosized correctly
energyplus
autosize
doas
bug-report
outdoor-air
110
views
no
answers
no
votes
2023-02-10 09:18:43 -0500
Katerina Karanafti
Exhaust fan proper operation
energyplus
exhaust-fan
infiltration
mass-conservation
ideal-loads-air-system
115
views
no
answers
no
votes
2022-03-14 13:40:48 -0500
Aaron Boranian
HVAC NOT DISPLAYING OUTPUTS IN SIMULATION RESULTS
hvac
honeybee
ideal-loads-air-system
output
868
views
no
answers
2
votes
2021-01-22 06:16:08 -0500
yves.mansoulie.setec
VAV without reheat control in Design Builder
vav
designbuilder
dcv
air-handling-unit
666
views
1
answer
2
votes
2022-10-17 06:26:07 -0500
rraustad
Why is DX coil's rated airflow per rated cooling/heating capacity limited?
energyplus
vrf
dx-coil
air-flow
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