Case Studies

Case study describing a building project in the mixed-humid climate zone.

Case study describing Building America's Optimized Solutions for energy efficient home construction in a mixed-dry climate.

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

Case study describing a DOE Zero Energy Ready 2013 Housing Innovation Award Winner in Long Island, NY, that scored HERS 43 without PV.

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner in Frederick MD that scored HERS 43 without PV and HERS 28 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 46 without PV and 9 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 33 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 9 with PV and 32 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 44 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 42 without PV and 0 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 32 without PV and 9 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 40 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning production home in the mixed-humid climate that achieved a HERS score of 13 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of -5 with PV and 31 without PV.

Case study showing project and performance data and energy-efficiency measures for a DOE 2017 Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 49 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning multifamily home in the mixed-humid climate that achieved a HERS score of 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 14 with PV and 35 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning production home in the mixed-humid climate that achieved a HERS score of 52 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 8 wiht PV adn 37 without PV.

Case study describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winner that scored HERS 35 without PV and 14 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 0 with PV and 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of 40 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS score of -16 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 29 with PV and 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning production home in the mixed-humid climate that achieved a HERS score of 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS score of 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of -15 with PV and 51 without PV.

Case study describing project and performance data and energy-efficiency measures for a DOE 2019 Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning attached home in the mixed-humid climate that used R-23 SIP walls, R-47 SIP roof, and triple-pane windows to achieve a HERS score of 38 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production home in the mixed-humid climate that used 2x6, 24-inch on-center walls, R-49 roof insulation, and R-49 blown-in cellulose attic insulation to achieve a HERS score of 9 with PV and 46 without PV...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production home in the mixed-humid climate that used 2x6, 24-inch on-center blown fiberglass wall insulation, OSB roof sheathing, and R-49 blown fiberglass attic insulation to achieve a HERS score of 50...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyers homes in the mixed-humid climate that used R-27 SIP walls, a SIP roof, R-47 SIP attic, and triple-pane windows to achieve a HERS score of -22 with PV and 38 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that used 2x6, on-center walls, 19-inch, R-50 blown fiberglass vented attic insulation, and triple-pane windows to achieve a HERS score of 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the mixed-humid climate that used 2x6, 24-inch on-center R-33 wall insulation, triple-pane windows and both ductless and ducted mini-split heat pumps to achieve a HERS score of -2 with...

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production homes in the mixed-humid climate that used an energy recovery ventilator tied to the home's high efficiency central heat pump with a MERV 13 filter to achieve a HERS score of 9 with PV and 46 without...

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production home in the mixed-humid climate that used ENERGY STAR labeled appliances, WaterSense labeled fixtures, and 100% LED lighting to achieve a HERS score of 50 without PV.

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable multifamily home in the mixed-humid climate that used water-saving plumbing fixtures and irrigation and efficient hot water distribution by means of a heat pump water heater and PEX piping to achieve...

Case study describing a multifamily deep energy retrofit project in Annapolis, Maryland.

Case study describing a retrofit project in the mixed-humid climate zone.

Case study describing a multifamily, affordable housing retrofit project that achieved 44% energy savings using readily available, cost effective measures.

Case study describing a new home construction project in the mixed-humid climate.

Case study describing production home builder Urbane homes and how they managed to thrive by teaming up with the Building America program to create affordable and energy efficient homes.

Case study describing a building project in the mixed-humid climate zone.

Case study describing a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.

Case study describing a building project in the mixed-humid climate zone.

Case study describing a new construction project in the mixed-humid climate zone.