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I think your explanation is correct. In energy plus documentation when explaining the inside window heat gain/loss, just

I think your explanation is correct. In energy plus documentation when explaining the inside window heat gain/loss, just

Hi Aaron, Thank you for your reply. You wrote: "This could very well be because the Net IR output variables for windo

Hello all,

I already looked at previous questions but I still can not find an answer:

For a simple energy plus model, a room with one southside two pane glass window ( no frame, no divider, etc...)just glass:

(Surface Window Heat Loss Energy) is not equal to (Window Inside Face Net Surface Thermal Radiation Heat Gain Energy) and (Window Inside Face Convection Heat Gain Energy).

The calculation is for 1 am, so there is no solar radiation. There is no light and internal heat, so heat loss through inside window face should be only by convection and radiation. The difference is small but I wonder what cause this difference.

(Surface Window Heat Loss Energy) is a little higher than the sum of (Window Inside Face Net Surface Thermal Radiation Heat Gain Energy) and (Window Inside Face Convection Heat Gain Energy). This is also the same for single glass window, Why?

Thank you,

Hello, I think energy plus has problem on calculating correct surface window heat transfer. Your table is according to

Inside surface heat balance in energy plus also has problem!

As I understood, the definition of Surface Window Net Heat Transfer Rate output variable in energy plus is not correct.

Window heat transfer Hello all, I already looked at previous questions but I still can not find an answer: For a simpl

To clarify In energy plus example also is the same: CmplxGlz_SingleZone_DoubleClearAir.idf If we change the output var