DOE Zero Energy Ready Home Case Study: KB Home, Double ZeroHouse 3.0, El Dorado Hill, CA

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Case study of a DOE 2015 Housing Innovation Award winning production home in the mixed-dry climate that got a HERS 44 without PV, or HERS -2 with PV, with 2x4 walls 16” on center walls with R-15 cavity plus 1” EPS exterior rigid foam, slab on grade with R-10 slab edge; unvented attic with R-38  blown fiberglass netted to underside of roof deck; 19 SEER heat pump; heat pump water heater; 100% LED.