How do I model Different window materials in Openstudio?

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@Shalini_K : There's a slight disconnect between your title (i.e. "how to change fenestration technology in OpenStudio") and the multi-step procedure you're describing in the post itself. I'm inferring from the latter that you're likely more interested in troubleshooting that specific measure, rather than simply replacing fenestration technology (e.g. materials, constructions) in OpenStudio - I could be wrong. If measure troubleshooting is indeed what you're after, then maybe consider changing the title ...

Otherwise, changing fenestration technology in OpenStudio is pretty straightforward. Essentially what you're describing in STEP 1 - adding a new SimpleGlazingMaterial. Of course, that new material has to be added to a new, single-layer "Simple Glazing" construction.

Then you either need to:

• drag-n-drop the new construction onto each subsurface (Spaces tab, Subsurfaces sub-tab), one-by-one ... or
• drag-n-drop the new construction over to an applicable default construction set - usually much quicker

Just to be sure, I tested both approaches using OpenStudio v3.9 ... no issues.

And so that's it - you don't need a measure (STEP 2) to substitute fenestration technology using OpenStudio ...

Hard to pinpoint where the issue(s) may lie in STEP 2 (measure vs your model) without having your OSM on hand. The measure itself has interesting features (e.g. LCC), yet some limitations (e.g. no skylights, no glass doors). If you're not planning on using these features or are possibly hindered by these limitations, then using the measure seems a tad overkill.

STEP 3 is a bit confusing, and holds in fact 3 separate questions:

• You're having BCL issues, possibly similar to this one - a separate UMH post IMO.
• You're noting that a BCL-downloaded component doesn't have a "/test" folder, like a measure would - what's the issue?
• The window component you're referring to is not a Simple Glazing material/construction (as in STEP 1). It's a complete, multi-layer construction with an accompanying frame & divider entry. I haven't tested this, but I don't see how the frame & divider stuff would be picked up by the measure in STEP 2. And comparing modelling approaches (e.g. STEP 1 vs STEP 3) wouldn't necessarily be a great idea - apples vs oranges - but that's none of my beeswax.

Again, without knowing more or having access to the OSM, hard to pinpoint issues/fixes. Hope this helps, though.