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 2013 DOE Building America Top Innovation for the installation of rigid foam insulation on the exterior of home roofs and walls as a thermal, air, and moisture barrier.

Case study describing a DOE Building America Top Innovation about advanced framing techniques for high-performance home construction.

Case study describing a 20-unit community of energy-efficient duplexes in Massachusetts incorporating solar water heating and photovoltaics.

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 describing a 2015 Housing Innovation Award-winner built by Hammer and Hand in Portland, Oregon.

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 41 without PV and 8 with PV.

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 38 without PV and 4 with 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 a whole-house, deep energy retrofit project in the marine climate.

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 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 cold and very-cold climate zones.

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

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

Case study describing energy efficient new home construction that also incorporated moisture management techniques for durability in the damp Northwest climate.

Case study describing new home construction in the marine climate that achieved 50% savings over the 2004 IECC.

Case study describing a new construction building project of 20 homes that earned HERS scores that represent greater than 50% energy savings in heating and cooling over the 2004 IECC.

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.