Case Studies

Case study describing a DOE Zero Energy Ready Home 2024 Housing Innovation Grand Award winning production home in the mixed-humid climate that achieved a HERS 4 with PV or HERS 36 without PV.

Case study describing a DOE Zero Energy Ready Home 2024 Housing Innovation Grand Award winning custom home in the mixed-humid climate that achieved a HERS -9 with PV or HERS 30 without PV.

Case study describing a DOE Zero Energy Ready Home 2024 Housing Innovation Grand Award winning affordable home in the mixed-humid climate that achieved a HERS 44 without PV.

Case study describing a DOE Zero Energy Ready Home 2024 Housing Innovation Grand Award winning custom home in the mixed-marine climate that achieved a HERS -24 with PV or HERS 33 without PV.

Case study describing a DOE Zero Energy Ready Home 2024 Housing Innovation Grand Award winning production home in the cool-dry climate that achieved a HERS -1 with PV or HERS 41 without PV.

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

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

Case study describing 50% energy saving projects for new multifamily homes in cold climates.

Case study describing the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.

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 builder's technology package that achieves energy savings of 50% over standard practice compared to the 2006 IECC.

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 the elimination of excessive humidity in the attic of a multi-floor, single-family home that was causing condensation and water damage along the roof and eaves.

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 how combination space and water heating systems can be used in homes with efficient thermal enclosures, decreasing energy consumption and costs.

Case study describing a stand-off furring strategy that minimizes the physical connections to each existing wall stud, uses spray foam to encapsulate existing siding materials (including lead paint), and creates a vented rain screen assembly to promote drying.