Vented Crawlspace with one wall opposite conditioned

[Glenn Spatt]

I am trying to model an existing home with a raised floor with a vented crawlspace. It has no insulation other than the framed floor. I would like to model it with insulated interior stem walls. Please help

[Gamaliel Lodge]

I’m a little confused by your description.  Tell me if this is correct:  The building has both a crawl space and a conditioned basement (or maybe conditioned space is the lower level of a split level home).  One wall of the crawl space is adjacent to the conditioned basement/lower level and you want to insulate that wall.  Is that correct?

[Gamaliel Lodge]

For this situation model the wall between the conditioned space and crawl space as and exterior wall under the Walls tab.   Because the crawl space is unconditioned and the thermal barrier is at the insulated floor above it, the change does not impact the crawl space.

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