Case Studies

Case study describing new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.

Case study describing a DOE Building America 2013 Top Innovation community-scale project where solar water heaters generated enough hot water per year to recoup the cost of the system within 4 to 6 years.

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 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 Ellenton FL that scored HERS 53 without PV and HERS 23 with PV.

Case study describing a DOE Zero Energy Ready Home 2013 Housing Innovation Award Winner that scored HERS 49 without PV.

Case study describing performance data and energy-efficiency measures for a DOE 2014Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 51 without 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 55 without PV and 15 with PV.

Case study describing a DOE Zero Energy Ready Home 2014 Housing Innovation Award winner that scored HERS 49 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 5 with PV and 60 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 51 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 used concrete block walls, and a 15 SEER heat pump to achieve a HERS score of -8 with PV and 48 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 48 without PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 60 without PV and 5 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 51 without.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 48 without PV and -8 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the hot-humid climate that achieved a HERS score of 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the hot-dry 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 production home in the hot-dry climate that achieved a HERS score of 25 with PV and 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom spec home in the hot-humid climate that achieved a HERS score of 16 with PV and 43 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom spec home in the hot-humid climate that achieved a HERS score of 54 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the hot-humid climate that used 5.5-inch, R-20 open-cell spray foam wall insulation, and a 17.5 SEER ducted mini-split heat pump to achieve a HERS score of 44 without PV.

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

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 new home construction project in the hot-humid climate.

Case study describing a new home construction project in the hot-humid climate, part of a project building 100 new homes after hurricane Katrina.

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 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 building project that partnered with Habitat for Humanity.

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 new construction project in Florida with a HERS score of 15.

Case study describing two new construction projects in Florida built to be net zero energy homes.

Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

Case study describing the incorporation of insulating concrete forms (ICFs) into new home design and construction.

Case study describing techniques used to prevent thermal bypass in new homes.

Case study describing the retrofit of a leaky air handler.