Comparing double-skin and single-skin facade energy use

grasshopper honeybee-legacy
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1

Hi everyone,
I want to model a double skin facade in the honeybee, I used the example on “hydrashare”.
The use of a double skin facade should basically reduce energy consumption, but in this example comparing double-skin facade with single skin results shows a sharp increase in energy consumption.

I changed the model a bit to make it a single skin, the total energy consumption of the single skin model is 314 (kWh/m2) and in the double skin model, the total energy consumption is 2592 (kWh/m2)! its makes no sense!
Is there anything I missed?
thank you for helping!

2

It’s impossible to know exactly what is happening without a simple sample file that re-creates the issue. My guess is that you are probably using the wrong floor area. Or maybe you’re not correctly solving adjacency or something like that. I would also really recommend using the LBT plugin for energy simulation as the geometry translation methods for energy simulation are a lot more robust in LBT.