Unmet Hours

507

views

1

answer

1

vote

2026-01-21 07:00:01 -0500 PmP

Fluid Cooler / Refrigeration Condenser Loop Turns Off Mid-Year in EnergyPlus (with persistent “No Cooling Water Flow” warnings)

611

views

1

answer

no

votes

2025-11-10 13:47:17 -0500 Denis Bourgeois

Need help fixing an input format error

414

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

168

views

no

answers

1

vote

2025-05-26 17:57:30 -0500 Jamie Sullivan

AFN zone ventilation not reported during warmup?

344

views

1

answer

2

votes

2025-05-26 03:44:11 -0500 Julien Marrec

Access to a warmUpFlag to pass in an FMU cosim

538

views

1

answer

2

votes

2025-05-16 02:36:33 -0500 Ski90Moo

OpenStudio Convergence Error

1k

views

1

answer

1

vote

2025-05-16 02:11:56 -0500 Ski90Moo

HAVC did not converge after 25 warmup days.

605

views

2

answers

2

votes

2025-05-12 20:19:53 -0500 Jamie Sullivan

EnergyPlus ground domain - Slab-ON-grade with vertical perimeter insulation

288

views

2

answers

no

votes

2025-05-06 17:38:19 -0500 Aaron Boranian

Initial temperature unmatching

200

views

no

answers

no

votes

2025-04-13 21:32:01 -0500 antonszilasi

Open Studio water heater direct query failing.

745

views

2

answers

4

votes

2025-04-03 16:48:16 -0500 ericmartinpe

Ground Slab Preprocessor Issue

380

views

1

answer

2

votes

2025-03-10 11:22:12 -0500 JasonGlazer

Errors running DOE prototypes through python EPlus

663

views

1

answer

no

votes

2025-02-23 08:46:55 -0500 RANJIT KAUR

Simulation failed to run, with exit code 1, please help , i have been getting this error.

220

views

no

answers

2

votes

2025-01-13 10:48:23 -0500 MatteoMerli

E+ Fatal error with exterior shading control via EMS: Convergence error in SolveForWindowTemperatures (NO AFN)

354

views

no

answers

no

votes

2025-01-09 17:40:33 -0500 yanwang

initial water content changed

616

views

1

answer

1

vote

2024-12-19 06:42:41 -0500 JasonGlazer

Distance between two vertices < .01

289

views

1

answer

2

votes

2024-11-18 04:09:48 -0500 Annie Marston

model runs in windows e+ but fails in Mac OS e+

306

views

1

answer

no

votes

2024-11-08 05:28:37 -0500 PmP

Thermal storage attached to a PTHP using heat exchanger problem

357

views

1

answer

1

vote

2024-11-05 09:45:40 -0500 Neal Kruis

How does KIVA determine heat loss during design day periods?

217

views

no

answers

no

votes

2024-10-15 05:20:26 -0500 Denis Bourgeois

E+ : Accumulation Buffer Water Tank With No Fuel Heater Type

127

views

no

answers

1

vote

2024-10-01 05:03:48 -0500 Tokarzewski

Avoid coldstart when RunPeriod starts on Saturday

275

views

1

answer

no

votes

2024-09-06 13:40:36 -0500 Aaron Boranian

E+ detailed HVAC crash on warmup - high window temperatures

1k

views

1

answer

1

vote

2024-09-06 03:01:58 -0500 Julien Marrec

OpenStudio model gives different results when running multiple times

319

views

no

answers

no

votes

2024-08-28 13:32:07 -0500 Aaron Boranian

Severe error : UpdateZoneSizing: Cooling supply air temperature (calculated) within 2C of zone temperature

242

views

no

answers

no

votes

2024-08-26 08:21:13 -0500 Aaron Boranian

ManageSizing: For a zone sizing run, there must be at least 1 Sizing:Zone input object. SimulationControl Zone Sizing option ignored.

704

views

1

answer

no

votes

2024-08-21 10:35:08 -0500 Denis Bourgeois

Severe error, Missing required property 'schedule_name'.

588

views

1

answer

no

votes

2024-08-04 16:00:21 -0500 Jamie Sullivan

How to set cooling setpoint below heating setpoint

6k

views

1

answer

2

votes

2024-06-13 03:58:26 -0500 PmP

SetpointManager:ReturnTemperature:Chilled/HotWater never reads PlantLoop fluid glycol (E+ Bugfix)

391

views

1

answer

no

votes

2024-06-06 13:53:24 -0500 shorowit

How to solve HVACTemplate:Zone:IdealLoadsAirSystem in eppy?

114

views

no

answers

no

votes

2024-06-02 07:04:48 -0500 Behnam

251 questions

Fluid Cooler / Refrigeration Condenser Loop Turns Off Mid-Year in EnergyPlus (with persistent “No Cooling Water Flow” warnings)

Need help fixing an input format error

"Bad allocation" error in EnergyPlus 25.1 with hydronic radiant floor + air-to-water heat pump

AFN zone ventilation not reported during warmup?

Access to a warmUpFlag to pass in an FMU cosim

OpenStudio Convergence Error

HAVC did not converge after 25 warmup days.

EnergyPlus ground domain - Slab-ON-grade with vertical perimeter insulation

Initial temperature unmatching

Open Studio water heater direct query failing.

Ground Slab Preprocessor Issue

Errors running DOE prototypes through python EPlus

Simulation failed to run, with exit code 1, please help , i have been getting this error.

E+ Fatal error with exterior shading control via EMS: Convergence error in SolveForWindowTemperatures (NO AFN)

initial water content changed

Distance between two vertices < .01

model runs in windows e+ but fails in Mac OS e+

Thermal storage attached to a PTHP using heat exchanger problem

How does KIVA determine heat loss during design day periods?

E+ : Accumulation Buffer Water Tank With No Fuel Heater Type

Avoid coldstart when RunPeriod starts on Saturday

E+ detailed HVAC crash on warmup - high window temperatures

OpenStudio model gives different results when running multiple times

Severe error : UpdateZoneSizing: Cooling supply air temperature (calculated) within 2C of zone temperature

ManageSizing: For a zone sizing run, there must be at least 1 Sizing:Zone input object. SimulationControl Zone Sizing option ignored.

Severe error, Missing required property 'schedule_name'.

How to set cooling setpoint below heating setpoint

SetpointManager:ReturnTemperature:Chilled/HotWater never reads PlantLoop fluid glycol (E+ Bugfix)

How to solve HVACTemplate:Zone:IdealLoadsAirSystem in eppy?

How to solve HVACTemplate Termination in eppy? [closed]

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