Case Studies

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 34 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of 43 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of -25 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning attached housing in the cold climate that achieved a HERS score of 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning affordable housing in the cold climate that achieved a HERS score of 31 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 34 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of 51 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning attached housing project in the coldclimate that achieved a HERS score of -2 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 5 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 32 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning affordable home in the cold climate that achieved a HERS score of 33 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2021 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of -16 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom spec home in the cold climate that used R-22 ICF walls, an ICF insulated basement, and an R-50 cellulose attic insulation to achieve a HERS score of 49 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom-for-buyer home in the cold climate that used 2x6 24-in. o.c. walls, R-38 blown fiberglass in attic, an insulated basement, triple-pane windows, and 9.75 kW of solar panels to achieve a HERS score...

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning attached home in the cold climate that used panelized wall construction with 2x6 24-in. o.c. walls, aerosolized acrylic sealant, and R-60 blown fiberglass in attic to achieve a HERS score of 50 without PV...

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning affordable home in the cold climate that used 2x6 24-in. o.c. walls, an R-60 vented attic, a ductless mini-split with transfer fans over bedroom doors, and triple-pane windows to achieve a HERS score of...

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom spec home in the cold climate that used 2x6 24-inch on-center walls, R-50 fiberglass in the attic, an unvented crawlspace, and 4.125 kW of solar PV to achieve a HERS 26 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning production home in the cold climate that used R-39 double walls, R-50 fiberglass in attic, 9.88 kW of solar panels, and 10 kW of battery storage to achieve a HERS score of 9 with PV and 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom-for-buyer home in the cold climate that used 2x4 16-in. o.c. walls, R-50 fiberglass in attic, R-10 rigid polyiso on basement walls, and aerosolized acrylic sealant to achieve a HERS score of 35...

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom-for-buyer home in the cold climate that used R-53 double walls, R-70 cellulose in attic, triple-pane windows, 25 kW of solar panels, and a mini-split heat pump for a HERS score of 31 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom-for-buyer home in the cold climate that used R-22 ICF walls, a spray-foamed attic and slab, triple-pane windows, and 13.74 kW solar PV roof shingles to score HERS -13 with PV or 26 without PV.

Case study describing the construction of prototype zero energy ready high-performance manufactured homes in the Pacific Northwest.