Unmet Hours

197

views

1

answer

1

vote

2026-02-27 07:09:08 -0500 Denis Bourgeois

Why EnergyPlus does not report Conduction Heat Transfer for Window surfaces ?

177

views

1

answer

1

vote

2025-06-30 08:27:25 -0500 Twose10

Unexpected Negative Conduction on Hot Day

83

views

no

answers

no

votes

2025-06-30 04:18:07 -0500 Twose10

Unexpected Negative Conduction during Hot Outdoor Temperatures [closed]

249

views

1

answer

3

votes

2025-04-03 03:09:35 -0500 PmP

EnergyPlus Air-Chiller Heat Balance Query

246

views

1

answer

no

votes

2024-02-11 14:09:14 -0500 Jamie Sullivan

increase in heat loss with more insulation thickness.

124

views

no

answers

3

votes

2024-01-21 03:57:02 -0500 Marcos

Heat balance on the zone air - Refrigeration systems output

399

views

2

answers

2

votes

2024-01-10 15:18:13 -0500 Jamie Sullivan

Extract each heat balance term in EnergyPlus

888

views

1

answer

1

vote

2024-01-04 21:31:45 -0500 Keigo

RoomAirModel exhaust temperature offset does not affect exhaust heat transfer?

194

views

1

answer

1

vote

2023-11-17 08:20:21 -0500 Denis Bourgeois

Defining solar power / solar heat flux

514

views

no

answers

3

votes

2023-11-17 07:26:47 -0500 rafael.alonso

Does E consider interior shading when calculating radiant temperature?

356

views

1

answer

1

vote

2023-08-02 06:05:34 -0500 Denis Bourgeois

Effect of No Mass Materials

215

views

1

answer

1

vote

2023-08-01 16:21:25 -0500 JasonGlazer

Breakdown of Sensible (delayed) for each wall or window.

764

views

2

answers

4

votes

2023-06-21 13:28:13 -0500 JasonC

Heat fluxes through wall not matching, leading to cumulative heat gain over annual simulation

242

views

1

answer

no

votes

2023-06-21 11:20:55 -0500 JasonC

Infinite heat stored in ceiling?

220

views

1

answer

no

votes

2023-04-13 09:41:10 -0500 Denis Bourgeois

Will EnergyPlus update the heat flow values of building envelopes when changing their R-values?

224

views

no

answers

no

votes

2023-03-29 12:50:01 -0500 Aaron Boranian

I am unsure what this error means or how to fix it in E+ version 22.2: Site:GroundDomain:BasementDoEndOfIterationOperations: Out of range temperatures detected in the ground domain.

280

views

1

answer

2

votes

2023-03-27 19:39:52 -0500 lofilippini

How does CondFD deal with no-mass materials?

144

views

no

answers

2

votes

2023-03-17 09:10:54 -0500 Aaron Boranian

Warnings while simulating a walk-in freezer using Air-chiller object

856

views

2

answers

1

vote

2023-01-31 08:16:20 -0500 obuchely

indoor temperature does not decrease after adding insulation

111

views

no

answers

no

votes

2023-01-10 12:37:00 -0500 savage

Heat balance: missing gain/loss

212

views

no

answers

1

vote

2022-11-23 12:04:49 -0500 Aaron Boranian

I get the warning "Inside surface heat balance did not converge"

3k

views

no

answers

1

vote

2022-11-10 07:52:47 -0500 tassioluiz

How to solve "Inside surface heat balance did not converge with..." error?

464

views

no

answers

no

votes

2022-08-31 02:19:53 -0500 QC

How to use SurfaceProperty:SurroundingSurfaces in E+?

598

views

1

answer

no

votes

2022-08-28 23:00:41 -0500 Kaue Queiroz

Why is the zone sensible cooling not zero even if the natural ventilation and the cooling design air flow rate is off?

175

views

no

answers

no

votes

2022-08-22 21:14:22 -0500 janken

Is a manual J calculation expected to overpredict heating load?

651

views

1

answer

1

vote

2022-01-27 12:27:35 -0500 J Monteiro

Infiltration Heating load

447

views

1

answer

2

votes

2021-12-02 09:59:41 -0500 MJWitte

how to find Zone Infiltration Rate? or equivalent in [W]

397

views

2

answers

1

vote

2021-11-17 19:29:15 -0500 Screamindaemon

Change in energy flow through envelope vs internal gains

2k

views

3

answers

3

votes

2021-08-31 16:01:03 -0500 GFlechas

Is it possible to change HeatBalanceAlgorithm from OpenStudio and provide the additionally needed parameters to the materials?

312

views

1

answer

3

votes

2021-07-26 11:55:39 -0500 sajithwjay

66 questions

Why EnergyPlus does not report Conduction Heat Transfer for Window surfaces ?

Unexpected Negative Conduction on Hot Day

Unexpected Negative Conduction during Hot Outdoor Temperatures [closed]

EnergyPlus Air-Chiller Heat Balance Query

increase in heat loss with more insulation thickness.

Heat balance on the zone air - Refrigeration systems output

Extract each heat balance term in EnergyPlus

RoomAirModel exhaust temperature offset does not affect exhaust heat transfer?

Defining solar power / solar heat flux

Does E consider interior shading when calculating radiant temperature?

Effect of No Mass Materials

Breakdown of Sensible (delayed) for each wall or window.

Heat fluxes through wall not matching, leading to cumulative heat gain over annual simulation

Infinite heat stored in ceiling?

Will EnergyPlus update the heat flow values of building envelopes when changing their R-values?

I am unsure what this error means or how to fix it in E+ version 22.2: Site:GroundDomain:BasementDoEndOfIterationOperations: Out of range temperatures detected in the ground domain.

How does CondFD deal with no-mass materials?

Warnings while simulating a walk-in freezer using Air-chiller object

indoor temperature does not decrease after adding insulation

Heat balance: missing gain/loss

I get the warning "Inside surface heat balance did not converge"

How to solve "Inside surface heat balance did not converge with..." error?

How to use SurfaceProperty:SurroundingSurfaces in E+?

Why is the zone sensible cooling not zero even if the natural ventilation and the cooling design air flow rate is off?

Is a manual J calculation expected to overpredict heating load?

Infiltration Heating load

how to find Zone Infiltration Rate? or equivalent in [W]

Change in energy flow through envelope vs internal gains

Is it possible to change HeatBalanceAlgorithm from OpenStudio and provide the additionally needed parameters to the materials?

How does EnergyPlus receive shortwave radiation values for the exterior energy balance?

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