Case Studies

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning production home in the mixed-dry climate that used 2x6 16-in. o.c. walls with 5.5 inches of spray foam plus R-5 rigid continuous insulation, R-33 open-cell spray foam attic insulation, and 6.23 kW rooftop...

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 poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom spec home in the mixed-humid climate that achieved a HERS 26 with PV or HERS 50 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS -14 with PV or HERS 31 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the mixed-humid climate that achieved a HERS 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom for buyer home in the marine climate that achieved a HERS -1 with PV or HERS 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS -17 with PV or HERS 32 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom for buyer home in the marine climate that achieved a HERS 40 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS -2 with PV or HERS 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS 37 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the cold climate that achieved a HERS 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS 33 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning affordable home in the cold climate that achieved a HERS 34 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production, affordable home in the mixed-humid climate that achieved a HERS 8 with PV or HERS 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning multifamily home in the mixed-humid climate that achieved a HERS 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the hot-dry climate that achieved a HERS 4.3 with PV or HERS 48.8 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the mixed-dry climate that achieved a HERS 15 with PV or HERS 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS 3 with PV or HERS 35 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the marine climate that achieved a HERS -20 with PV or HERS 33 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the hot-humid climate that achieved a HERS 23 with PV or HERS 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS -11 with PV or HERS 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS 39 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS 0 with PV or HERS 28 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the cold climate that achieved a HERS 51 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the marine climate that achieved a HERS 6 with PV or HERS 39 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the cold climate that achieved a HERS 23 with PV or HERS 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the cold climate that achieved a HERS -8 with PV or HERS 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS -29 with PV or HERS 31 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the cold climate that achieved a HERS 29 with PV or HERS 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning custom-for-buyer home in the cold climate that achieved a HERS -8 with PV or HERS 29 without PV.

Case study describing a DOE Zero Energy Ready Home 2023 Housing Innovation Grand Award winning multifamily home in the cold climate that achieved a HERS -14 with PV or HERS 31 without PV.

Case study describing a DOE Zero Energy Ready Home 2023 Housing Innovation Grand Award winning custom for buyer home in the mixed-humid climate that achieved a HERS -17 with PV or HERS 32 without PV.

Case study describing a DOE Zero Energy Ready Home 2023 Housing Innovation Grand Award winning affordable home in the cold climate that achieved a HERS 34 without PV.

Case study describing a DOE Zero Energy Ready Home 2023 Housing Innovation Grand Award-winning production home in the mixed-humid climate that achieved a HERS 8 with PV or HERS 44 without PV.

Case study describing a DOE Zero Energy Ready Home 2023 Housing Innovation Grand Award-winning multifamily home in the mixed-humid climate that achieved a HERS 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 36 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning production home in the mixed-humid climate that achieved an ERI of 36 without PV and an ERI of 4 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the cold climate that achieved an ERI of 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the marine climate that achieved an ERI of 37 without PV and an ERI of -36 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 30 without PV and an ERI of -9 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the very cold climate that achieved an ERI of 36 without PV.

Description: Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the cold climate that achieved an ERI of 30 without PV and an ERI of -20 with PV.

Description: Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning production home in the cold climate that achieved an ERI of 50 without PV and an ERI of 39 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the mixed-humid climate that achieved an ERI of 44 without PV and an ERI of 15 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved an ERI of 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning production home in the mixed-humid climate that achieved an ERI of 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning production home in the hot-dry climate that achieved an ERI of 39 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the cold climate that achieved an ERI of 43 without PV and an ERI of -2 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the marine climate that achieved an ERI of 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2024 Housing Innovation Award winning custom home in the cold climate that achieved an ERI of 33 without PV and an ERI of 10 with PV.