Case Studies

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of 36 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 50 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 16 with PV and 35 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 11 with PV and 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of 9 with PV and 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of -5 with PV and 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of 8 with PV and 41 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 4 with PV and 38 without 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 2017 Housing Innovation Award winner that scored HERS 38 without PV and 4 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of 37 with PV and 49 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of 41 with PV and 54 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 54 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the cold climate that achieved a HERS score of 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of -12 with PV and 36 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of -8 with PV and 42 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of -11 with PV and 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning affordable home in the cold climate that achieved a HERS score of 28 with PV and 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 4 with PV and 38 without PV.

Case study describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winner that scored HERS 46.

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 a DOE Zero Energy Ready Home 2018 Housing Innovation Award winner that scored HERS 48 without PV and 28 with PV.

Case study describing a DOE Zero Energy Ready Home 2018 Housing Innovation Award winner that scored HERS 38 without PV and 4 with PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS 44 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of -5 with PV and 39 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 20 with PV and 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the cold climate that achieved a HERS score of 42 without PV

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning multifamily home in the cold climate that achieved a HERS score of -1 with PV and 49 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom spec home in the cold climate that achieved a HERS score of 36 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning production home in the cold climate that achieved a HERS score of 8 with PV and 43 without 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 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 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 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 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 poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom homes for buyer in the cold climate that used 2x8, 16-inch on-center walls, R-84.6 roof insulation, and triple-pane windows to achieve a HERS score of -13 with PV, and 36 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning attached home in the cold climate that used R-61, 16-inch blown cellulose attic insulation, triple-pane windows, and a 17 SEER central heat pump to achieve a HERS score of 32 with PV and 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom homes for buyer in the cold climate that used 2x6 on-center walls, R-50 16-inch vented roof insulation, and a 19 SEER AC system to achieve a HERS score of 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom spec homes in the cold climate that used 2x6, 16-inch on-center walls, R-72 unvented attic insulation, and 16.1 SEER mini-split heat pumps to achieve a HERS score of 19 with PV and 39 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 2x6, 24-inch on-center walls with 5.5-inch open-cell spray foam insulation and OSB sheathing, triple-pane windows, and 20-inch, R-60 blown-in cellulose...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer homes in the cold climate that used triple-pane windows and two 19 SEER ducted mini-split heat pumps to achieve a HERS score of -97 with PV and 37 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer homes in the cold climate that used R-44 insulation in the double walls, R-60 blown fiberglass attic insulation, and triple-pane windows to achieve a HERS score of 14 with PV and 44...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the cold climate that used a SIP shed roof, triple pane windows, and a 26.1 SEER ductless heat pump to achieve a HERS score of -20 with PV and 35 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer homes in the marine climate that used R-29 SIP walls, R-59 graphite roof SIPs, and triple-pane windows to achieve a HERS score of -19 with PV and 33 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning attached home in the cold climate that used 2x6, 24-inch on-center walls and R-50 blown fiberglass attic insulation to achieve a HERS score of 29 with PV and 50 without PV.

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the cold climate that used above-grade walls filled with 5.5 inches of open-cell spray foam and sheathed with an R-6.5 insulated coated OSB sheathing, providing a continuous air barrier and...

Case study describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer home in the cold climate that used triple-pane windows, a hydronic radiant floor heating system, an electric vehicle charging station, and 7.3kW of rooftop-mounted solar panels to achieve a HERS...