Error in window construction

Hi, everyone

I built a window construction as the pic show below but it didn’t work. Can anyone points out the wrong part?
From the video tutorial the “window air gap” node had a “gastype” input before, how can I change the gas type in the currently version, for example, how to set to vacuum?
The last question is where can I get the whole U-value of the window construction after I correctly built one?

Thank you all for the help.

Hi @skyly,
You can’t combine Honeybee_EnergyPlus Window Material with other material as multiple layer.
If you want to add air gap between layers use Honeybee_EnergyPlus Glass Material component and plug into the Honeybee_EnergyPlus Construction component.

-Omid

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Hi Omidm,
Thank you for the help!