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[EnergyPlus_Support] Window glass materials database



Hi,

I've a question concerning the window glass material dataset.
I want to evaluate energy consumption with different windows installed, in particular:

- ASHRAE standard compliant  - worst case;
- LowE coated window;
- spectrally selective windows.

Looking at the dataset, lowE coated windows are different from the others due to their lower "infrared hemispherical emissivity", and that's ok.
For the spectrally selective ones, though, I was expecting a difference in the infrared transmittance at normal incidence. I was surprised to notice that all the glazing have a 0 value for that.

Would you have any recommendation about the "right" values to use or how I should model this different window types?

Thanks, regards
Stefano

--
 
Stefano Moret
mobile:: +39 340 5202286
Skype: stefanomoret



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