Case Studies

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 2016 Housing Innovation Award winner that scored HERS 42 without PV and 5 with PV.

Case study describing a DOE Zero Energy Ready Home 2016 Housing Innovation Award winner that scored HERS 50 without PV and 30 with PV.

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 2018 Housing Innovation Award winner that scored HERS 42 without PV and -8 with PV.

Case study describing project and performance data and energy-efficiency measures for a DOE 2019 Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning attached housing home in the cold climate that used high insulation levels in the attic, walls, and under the slab, with ENERGY STAR appliances, and solar PV panels to achieve a HERS score of 29 with PV and 50...

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