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82
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Tagged
air-to-water-heat-pump
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78
views
1
answer
1
vote
2026-02-13 19:52:42 -0600
rraustad
EIRDefrost function for air-to-water heat pump
air-to-water-heat-pump
air-to-water-heat-pump-equationfit
energyplus
performance-curve
24
views
no
answers
1
vote
2026-02-08 14:11:08 -0600
Abir Ahsan
Air-to-water heat pump: Does defrost load increases total heat load?
air-to-water-heat-pump
defrost
heating-load
energyplus
329
views
2
answers
no
votes
2025-11-07 09:51:43 -0600
Denis Bourgeois
Add performance data to OpenStudio Coalition model
openstudio
air-to-water-heat-pump
performance-data
openstudio-application
2k
views
2
answers
2
votes
2025-10-29 09:46:05 -0600
Ski90Moo
How can I model an air cooled heat pump in openstudio?
openstudio
air-source-heat-pump
air-to-water-heat-pump
255
views
1
answer
2
votes
2025-07-26 15:18:15 -0600
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
240
views
1
answer
2
votes
2025-06-28 13:48:14 -0600
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
204
views
1
answer
1
vote
2025-06-05 15:12:52 -0600
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
182
views
no
answers
1
vote
2025-03-13 06:14:37 -0600
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
297
views
1
answer
3
votes
2024-12-20 13:57:59 -0600
sashadf1
the effect of timestep on peak cooling(heating) load
timestep
cooling-load
air-to-water-heat-pump
peak-demand
255
views
2
answers
no
votes
2024-12-10 02:21:55 -0600
QCeng
HeatPump:PlantLoop:EIR Outdoor Air Nodes
energyplus
air-to-water-heat-pump
plant-loop
outdoor-air
condenser
211
views
no
answers
no
votes
2024-11-17 06:20:08 -0600
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
168
views
1
answer
no
votes
2024-10-20 20:37:16 -0600
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 -0600
itsJohnHanson
How to model a Water Source Heat Pump in BeOpt
air-to-water-heat-pump
water-source-heat-pump
beopt
hvac
237
views
no
answers
no
votes
2024-05-14 21:37:56 -0600
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
297
views
1
answer
no
votes
2024-05-07 04:28:17 -0600
lollokai
AWHP and booster for DHW with Setpoint Control
openstudio-application
air-to-water-heat-pump
dhw
hvac-control
127
views
no
answers
1
vote
2024-04-19 14:58:32 -0600
VHellou
EnergyPlus-HP-VRF-Floor heating/cooling
energyplus
air-to-water-heat-pump
heat-exchanger
refrigerant
radiant-heating
296
views
no
answers
1
vote
2024-03-15 08:45:29 -0600
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
708
views
1
answer
2
votes
2024-02-07 13:02:07 -0600
vfournier
Air-to-Water Heat Pump PLR performance curve issue
energyplus
air-to-water-heat-pump
performance-curve
part-load-ratio
performance-data
358
views
1
answer
2
votes
2023-12-10 21:36:23 -0600
Keigo
How to model a R744 (CO2) transcritical HP for DHW in EnergyPlus?
energyplus
dhw
co2
air-to-water-heat-pump
454
views
no
answers
no
votes
2023-06-18 16:20:36 -0600
mitrazimi
DesignBuilder Detailed HVAC Templates
designbuilder
unitary-system
chilled-water-loop
air-to-water-heat-pump
hvac-template
94
views
no
answers
1
vote
2023-06-15 11:37:22 -0600
Reid
Underfloor system for heating and cooling with Heat pump in openstudio
underfloor-air-distribution
air-to-water-heat-pump
openstudio
openstudio-application
259
views
no
answers
1
vote
2023-04-10 11:34:44 -0600
GSirotti
Air-to-Water central heat pump
openstudio
air-to-water-heat-pump
openstudio-application
87
views
no
answers
no
votes
2022-11-14 02:07:21 -0600
Asfour
A model for reversible air/water heat pump in Dymola?
reversible
air-to-water-heat-pump
dymola
263
views
no
answers
no
votes
2022-10-31 04:00:43 -0600
Samir
EnergyPlus simulation
energyplus
openstudio
hvac-control
air-to-water-heat-pump
595
views
1
answer
1
vote
2022-08-15 06:23:26 -0600
qirachel
radiant surface for both floor heating and cooling
energyplus
air-to-water-heat-pump
designbuilder
radiant-cooling
radiant-heating
232
views
no
answers
1
vote
2022-08-08 12:02:11 -0600
qirachel
plant loop setpoint manager and compressor setpoint temperature
energyplus
air-to-water-heat-pump
hot-water-loop
setpoint-manager
designbuilder
156
views
no
answers
1
vote
2022-04-07 08:28:27 -0600
maraz
defrost modeling for air to water heat pumps
air-to-water-heat-pump
energyplus
defrost
792
views
1
answer
4
votes
2022-03-30 11:07:40 -0600
rraustad
Air-to-water heat pump rating conditions in EnergyPlus
energyplus
air-cooled-chiller
air-source-heat-pump
air-to-water-heat-pump
332
views
no
answers
1
vote
2022-03-23 09:14:14 -0600
Aaron Boranian
Control of Heat Pump and Boiler Using PlantEquipmentOperation:HeatingLoad and PlantEquipmentOperationSchemes.
hybrid
plant-equipment-operation
boiler
energyplus
air-to-water-heat-pump
317
views
1
answer
1
vote
2022-03-09 15:03:28 -0600
ericmartinpe
Turning on and off plant components using outdoor ambient temperature
air-to-water-heat-pump
plant-loop
energyplus
boiler
outdoor-temperature
1
2
3
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