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79
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air-to-water-heat-pump
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131
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
120
views
1
answer
2
votes
2025-06-28 13:48:14 -0500
nemo
"Bad allocation" error in EnergyPlus 25.1 with hydronic radiant floor + air-to-water heat pump
energyplus
radiant-heating
air-to-water-heat-pump
sizing-error
low-temperature-radiant
123
views
1
answer
1
vote
2025-06-05 15:12:52 -0500
Greg Estep
How to pinpoint what causes "Plant Temperature Too Hot During Warmup" Error?
ground-source-heat-pump
plant-loop
error
air-to-water-heat-pump
126
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
209
views
1
answer
3
votes
2024-12-20 13:57:59 -0500
sashadf1
the effect of timestep on peak cooling(heating) load
timestep
cooling-load
air-to-water-heat-pump
peak-demand
143
views
2
answers
no
votes
2024-12-10 02:21:55 -0500
QCeng
HeatPump:PlantLoop:EIR Outdoor Air Nodes
energyplus
air-to-water-heat-pump
plant-loop
outdoor-air
condenser
79
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
100
views
1
answer
no
votes
2024-10-20 20:37:16 -0500
Greg Estep
Modeling Air-to-Water Heat Pump Chiller in OpenStudio/EnergyPlus
air-to-water-heat-pump
air-cooled-chiller
openstudio-application
energyplus
example-file
1k
views
no
answers
1
vote
2024-07-08 10:44:05 -0500
itsJohnHanson
How to model a Water Source Heat Pump in BeOpt
air-to-water-heat-pump
water-source-heat-pump
beopt
hvac
146
views
no
answers
no
votes
2024-05-14 21:37:56 -0500
Marcos Braz
Energy Plus Two water heaters with two source sides in the same loop.
energyplus
hot-water-loop
air-to-water-heat-pump
solar-collector
plant-loop
186
views
1
answer
no
votes
2024-05-07 04:28:17 -0500
lollokai
AWHP and booster for DHW with Setpoint Control
openstudio-application
air-to-water-heat-pump
dhw
hvac-control
78
views
no
answers
1
vote
2024-04-19 14:58:32 -0500
VHellou
EnergyPlus-HP-VRF-Floor heating/cooling
energyplus
air-to-water-heat-pump
heat-exchanger
refrigerant
radiant-heating
243
views
no
answers
1
vote
2024-03-15 08:45:29 -0500
TanPham
How to add a piece of code for an object (HeatPump:PlantLoop:EIR:Heating) to my OSM file.
openstudio
air-to-water-heat-pump
openstudio-application
water-to-water-heat-pump
openstudio-measure
517
views
1
answer
2
votes
2024-02-07 13:02:07 -0500
vfournier
Air-to-Water Heat Pump PLR performance curve issue
energyplus
air-to-water-heat-pump
performance-curve
part-load-ratio
performance-data
254
views
1
answer
2
votes
2023-12-10 21:36:23 -0500
Keigo
How to model a R744 (CO2) transcritical HP for DHW in EnergyPlus?
energyplus
dhw
co2
air-to-water-heat-pump
290
views
no
answers
no
votes
2023-06-18 16:20:36 -0500
mitrazimi
DesignBuilder Detailed HVAC Templates
designbuilder
unitary-system
chilled-water-loop
air-to-water-heat-pump
hvac-template
61
views
no
answers
1
vote
2023-06-15 11:37:22 -0500
Reid
Underfloor system for heating and cooling with Heat pump in openstudio
underfloor-air-distribution
air-to-water-heat-pump
openstudio
openstudio-application
197
views
no
answers
1
vote
2023-04-10 11:34:44 -0500
GSirotti
Air-to-Water central heat pump
openstudio
air-to-water-heat-pump
openstudio-application
54
views
no
answers
no
votes
2022-11-14 02:07:21 -0500
Asfour
A model for reversible air/water heat pump in Dymola?
reversible
air-to-water-heat-pump
dymola
123
views
no
answers
no
votes
2022-10-31 04:00:43 -0500
Samir
EnergyPlus simulation
energyplus
openstudio
hvac-control
air-to-water-heat-pump
508
views
1
answer
1
vote
2022-08-15 06:23:26 -0500
qirachel
radiant surface for both floor heating and cooling
energyplus
air-to-water-heat-pump
designbuilder
radiant-cooling
radiant-heating
175
views
no
answers
1
vote
2022-08-08 12:02:11 -0500
qirachel
plant loop setpoint manager and compressor setpoint temperature
energyplus
air-to-water-heat-pump
hot-water-loop
setpoint-manager
designbuilder
110
views
no
answers
1
vote
2022-04-07 08:28:27 -0500
maraz
defrost modeling for air to water heat pumps
air-to-water-heat-pump
energyplus
defrost
670
views
1
answer
4
votes
2022-03-30 11:07:40 -0500
rraustad
Air-to-water heat pump rating conditions in EnergyPlus
energyplus
air-cooled-chiller
air-source-heat-pump
air-to-water-heat-pump
259
views
no
answers
1
vote
2022-03-23 09:14:14 -0500
Aaron Boranian
Control of Heat Pump and Boiler Using PlantEquipmentOperation:HeatingLoad and PlantEquipmentOperationSchemes.
hybrid
plant-equipment-operation
boiler
energyplus
air-to-water-heat-pump
233
views
1
answer
1
vote
2022-03-09 15:03:28 -0500
ericmartinpe
Turning on and off plant components using outdoor ambient temperature
air-to-water-heat-pump
plant-loop
energyplus
boiler
outdoor-temperature
89
views
no
answers
no
votes
2022-03-09 09:33:21 -0500
TigerMoley
Turning on and off plant components using outdoor ambient temperature [closed]
air-to-water-heat-pump
hybrid
heat
pump
boiler
241
views
no
answers
1
vote
2022-02-07 19:58:38 -0500
Tomlai15
EnergyPlus AWHP output variables
energyplus
air-to-water-heat-pump
output-variable
output-report
69
views
no
answers
2
votes
2022-01-17 04:32:35 -0500
f.passerini
Limit of Rated Condenser Inlet Water Temperature
service-hot-water
air-to-water-heat-pump
energyplus
2k
views
2
answers
3
votes
2022-01-10 12:03:35 -0500
Tomlai15
How to model an air to water heat pump?
air-source-heat-pump
air-to-water-heat-pump
energyplus
openstudio
openstudio-application
1
2
3
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