Case Studies

Case study describing a building project in hot-dry and mixed-dry climates.

Case study describing a building project in the marine climate.

Case study describing building in cold and very cold climates.

Case study describing a Chesapeake Habitat for Humanity rehabilitation project of five 2-story row houses into energy-efficient, affordable housing.

Case study describing the first certified DOE Zero Energy Ready Home—the “Wilson Residence” in Winter Park, Florida.

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Winter Park FL that scored HERS 57 without PV or HERS -7 with PV.

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Old Greenwich CT, that scored HERS 42 without PV and HERS 20 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 45 without PV and 32 with PV and is the first home in the world to use a tri-generation system to supply electricity, heating, and cooling on site.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner in the hot-dry climate that scored HERS 48 without PV and 25 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 69 without PV and -1 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner in the hot-humid climate that scored HERS 44 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 describing the New American Home project.

Case study describing whole house building techniques in the hot-dry climate.