Case Studies

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

Case study describing a building project in the cold climate.

Case study describing a 2013 DOE Building America Top Innovation about best practices for high-efficiency window air conditioning units.

Case study describing a DOE Building America Top Innovation about the use of high-performance furnace blowers for heating and cooling.

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 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 49 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 describing approaches to comprehensive retrofits that are in reach of the ordinary builder.

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

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 cost-effectively reducing energy use by over 50% in an existing home.

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

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

Case study describing a new home construction project in the mixed-humid 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 building project that partnered with Habitat for Humanity.

Case study describing a new construction project in North Carolina.

Case study describing the design and testing of 10 high-performance homes in Farmington, Connecticut.

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

Case study describing a builder in Georgia that designs energy-efficient homes for a green community, yielding homes with HERS scores as lowas 59 and electric bills as low as $50 a month.

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

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 retrofit of a leaky air handler.