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Building America DOE Challenge Home Case Study, Weiss Building & Development, LLC., System Home, River Forest, IL

Case-study of a DOE Challenge Home in River Forest IL that scored HERS 17 without PV. This 4,763 ft2 custom passive house has R-54 ICF walls, a vented attic with R-100 blown fiberglass, plus R-40 rigid EPS under the slab, triple-pane windows, two ductless mini-split heat pumps, and redundant air sealing and flashing details.