Case Studies

Case study describing Building America's Optimized Solutions for energy efficient home construction in hot-dry and mixed-dry climates.

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

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

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

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner that scored HERS 52 without PV and -4 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 30 without PV and 1 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 59 without PV

Case study describing the first DOE Zero Energy Ready Home in Georgia that achieved a HERS score of 40 without PV and -10 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 43 without PV and 0 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 that scored HERS 57 without 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 2016 Housing Innovation Award winning custom spec home in the mixed-humid climate that achieved a HERS score of 0 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 21 with PV and 43 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning affordable home in the hot-humid climate that achieved a HERS score of 58 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom for buyer home in the hot-humid climate that achieved a HERS score of 57 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom spec home in the hot-humid climate that achieved a HERS score of 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom spec home in the hot-dry climate that achieved a HERS score of -17 with PV and 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that used 24-inch on-center advanced framed walls, an unvented attic with R-38 blown fiberglass, and 16 SEER ducted mini-split heat pumps to achieve a HERS...

Case study poster describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winning custom for buyer home in the hot-humid climate that used R-33, 5.5-inch EPS+steel SIP walls and roof, 6.0-kW PV with battery backup, and solar hot water to achieve a HERS score of 12 with PV and 50...

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 47 without PV and 0 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 43 without PV and 21 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 58 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 57 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 45 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 44 without PV and -17 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 41 without PV and 6 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 50 without PV and 12 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom spec home in the mixed-humid climate that achieved a HERS score of 13 with PV and 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the hot-dry climate that achieved a HERS score of -92 with PV and batteries and 43 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the hot-humid climate that achieved a HERS score of 52 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 54 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom spec home in the hot-humid climate that achieved a HERS score of 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom spec home in the mixed-humid climate that achieved a HERS score of 32 with PV and 50 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom for buyer home in the hot-humid climate that achieved a HERS score of 1 with PV and 52 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 39 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning 5-story multifamily building in the marine climate that achieved very high efficiency.

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 12 with PV and 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 -13 with PV and 46 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 custom for buyer homes in the hot-humid climate that used R-17.5 SIP walls, R-31 SIP roof, and triple-pane windows to achieve a HERS score of 2 with PV and 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the marine climate that used 2x6, 24-inch on-center, R-21 cavity wall insulation, and a 19 SEER mini-split heat pump to achieve a HERS score of 0 with PV and 56 without PV.

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the hot-dry climate that achieved a HERS score of -92 with PV and batteries and 43 without PV.

Case study describing Ferrier Custom Homes’ “Zero-Energy Casita” project, a new construction utilizing SIPS to achieve a HERS score of 30.

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

Case study describing the processes behind the building of the homes making up the Callaway Gardens community, as well as the challenges brought out due to it's proximity to nature and homebuyers not valuing energy efficiency until they've experienced it.

Case study describing a 1963 mid-century modern home in Las Vegas that got an energy-efficiency overhaul, improving performance from a HERS score of 123 to 44, or net-zero when the 4.8 kW of photovoltaic panels are added.

Case study describing the family-run Treasure Homes that achieved a HERS rating of 46 without PV on its prototype “Gem” home, located on the blustery shores of Lake Michigan in northern Indiana.

Case study describing a new home construction project in the hot-dry climate.

Case study describing one builder's conversion to high-performance building in the hot-humid regions of the Atlantic seaboard.