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DOE Zero Energy Ready Home Case Study: Promethean Homes, Charlottesville, VA

DOE Zero Energy Ready Home Case Study: Promethean Homes, Charlottesville, VA

Case study of a DOE Zero Energy Ready home in Charlottesville, VA, that achieves a HERS 33 without PV. The 2,572-ft2 custom home with daylight basement, has 2x6 advanced framed walls filled with R-21 cellulose plus 2-in. rigid mineral wool insulation over the plywood sheathing, 4-in. rigid EPS under the slab, 2 in. rigid EPS on foundation walls, R-70 blown cellulose in the vented attic, triple-pane windows, two slim-duct heat pumps with short ducts for heating and cooling, and a heat-pump water heater.