How to access BeOpt material database to add options?

asked 2022-08-10 14:40:58 -0600

albert9600
51 ●1

updated 2022-08-10 15:23:39 -0600

Aaron Boranian

14250 ●86 ●24 http://bigladdersoftware.com/

I am trying to simulate a building with different combinations of continuous and cavity insulation materials. In order to have a combination of continuous and cavity insulation, both a wood frame option and a wall sheathing with continuous insulation option. However, when creating a new wall sheathing option, there are only two choices for continuous insulation: polyiso and XPS. How can I add more material options for continuous insulation? From trying to research and find a solution to this I believe it can be done in the BeOpt options library spreadsheet, but I cannot figure out how to access this.

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You want Tools > Option Manager, but as Scott has noted, material (currently) only matters for materials and installation costs.

jpierce ( 2022-10-24 11:44:40 -0600 )edit

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answered 2022-08-10 18:42:08 -0600

shorowit

11931 ●203 ●9 https://www.nrel.gov/b...

The choice of insulation material has no effect on the energy simulation as the insulation R-value is an input as well. The insulation material is only an input because there is a difference in cost between different insulation materials. If you don't care about costs, you can safely ignore it. If you do care about costs, you can enter in your own cost data.

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Thank you, this is helpful! Do you know how to access the options library spreadsheet?

albert9600 ( 2022-08-11 16:04:31 -0600 )edit

There is no options library spreadsheet anymore. You've probably read something that refers to a very old version of BEopt.

shorowit ( 2022-08-11 16:28:03 -0600 )edit

@shorowit This is actually something I was thinking about recently, ELA credit for closed-cell spray foam to provide an effective reduction on air sealing cost*... although the fiscal impact might not be enough to make CCF more competitive, and is certainly not worth holding up 3.0 for.

*A case could also be made for properly offset and taped continuous XPS/polyiso to also have a small impact on air leakage.

jpierce ( 2022-10-24 11:48:16 -0600 )edit

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How to access BeOpt material database to add options?

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How to access BeOpt material database to add options?