Case Studies

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 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 that scored HERS 38 without PV and -3 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 55 without PV and 15 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner in the marine climate that scored HERS 43 without PV and 13 with PV.

Case study describing one of three deep energy renovations of occupied affordable homes.

Case study describing a retrofit project in Maryland.

Case study describing a deep energy retrofit, turning an old school into 12 high-end apartments in Greenfield, MA.

Case study describing a whole-house, deep energy retrofit project in the marine climate.

Case study describing a deep energy renovation of a home in the marine climate.

Case study describing a multifamily retrofit project in a cold climate.

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

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

Case study describing an energy efficient retrofit project in hot-humid climates.

Case study describing a deep energy renovation of a home in Florida.

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

Case study describing a cost-effectively reducing energy use by over 50% in an existing home.

Case study describing a retrofit project in the cold and very-cold climate zones.

Case study describing an energy efficient renovation in the cold climate.

Case study describing the retrofit of a 1960s split-level home.

Case study describing a retrofit project in the marine climate.

Case study describing a retrofit project in the hot-dry climate.

Case study describing a retrofit project in the hot-dry climate.

Case study describing a retrofit project in the marine climate.

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

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

Case study describing a new home construction project in the marine climate.

Case study describing a new home construction project in the marine climate.

Case study describing a new home construction project in the cold climate.

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

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

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

Case study describing a new home construction project in the marine climate.

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 building project in the mixed-humid climate zone.

Case study describing a basement retrofit of a 1916 home in Madison, Wisconsin that involved installing dimple drain mat and closed-cell spray foam on interior of basement wall and an interior footing drain to manage moisture before finishing an existing basement.

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

Case study describing a new construction net zero energy home.

Case study describing a new construction project using high R-value enclosures with a hybrid insulation approach.

Case study describing application of exterior rigid foam insulation on a foundation system.

Case study describing a new townhome construction project designed to achieve a HERS score of 40.

Case study describing a new building project that partnered with Habitat for Humanity.

Case study describing a new construction project in North Carolina.

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

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

Case study describing a new home builder that strives to address health, safety, and durability issues in a hot and humid climate.

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 high-efficient building project in St. Lucie, FL.