Case Studies

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 affordable home in the mixed-humid climate that achieved a HERS score of 40 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS score of -16 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom for buyer home in the mixed-humid climate that achieved a HERS score of 29 with PV and 45 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that achieved a HERS score of -13 with PV and 46 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning production home in the mixed-humid climate that achieved a HERS score of 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning production home in the mixed-dry climate that achieved a HERS score of 37 with PV and 55 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-for-buyer home in the mixed-humid 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 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 custom for buyer home in the marine climate that used achieved a HERS score of -11 with PV and 34 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 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 25 with PV and 47 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2019 Housing Innovation Award winning affordable home in the mixed-humid climate that achieved a HERS score of -15 with PV and 51 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 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 attached home in the mixed-humid climate that used R-23 SIP walls, R-47 SIP roof, and triple-pane windows to achieve a HERS score of 38 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom spec home in the cold climate that used a high efficiency 98 AFUE gas furnace, 5-stage 19 SEER heat pump, LED lighting, ENERGY STAR appliances, smart thermostats and lighting, and automated window...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom home in the cold climate that used 2x6, 24-inch on-center advanced framed walls, R-66 unvented attic insulation, and a 36 SEER mini-split heat pump to achieve a HERS score of -8 with PV and 42...

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 spec homes in the mixed-dry climate that used 2x6, 16-inch on-center walls, a 16 SEER AC system, and 3.55-kW solar to achieve a HERS score of 11 with PV and 44 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 marine climate that used 2x6, 24-inch on-center walls, R-50 to R-70 average roof insulation, and triple-pane windows to achieve a HERS score of 51 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom for buyer homes in the hot-humid climate that used R-17.5 SIP walls, R-31 SIP roof, and triple-pane windows to achieve a HERS score of 2 with PV and 48 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production home in the cold climate that used 2x6, 24-inch on-center walls, R-60 roof insulation, and R-60 blown-in fiberglass attic insulation to achieve a HERS score of 47 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 5.5-inch, R-20 open-cell spray foam wall insulation, and a 17.5 SEER ducted mini-split heat pump to achieve a HERS score of 44 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 production home in the mixed-humid climate that used 2x6, 24-inch on-center walls, R-49 roof insulation, and R-49 blown-in cellulose attic insulation to achieve a HERS score of 9 with PV and 46 without PV...

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning affordable home in the marine climate that used 2x6, 24-inch on-center, R-21 cavity wall insulation, and a 19 SEER mini-split heat pump to achieve a HERS score of 0 with PV and 56 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning production home in the mixed-humid climate that used 2x6, 24-inch on-center blown fiberglass wall insulation, OSB roof sheathing, and R-49 blown fiberglass attic insulation to achieve a HERS score of 50...

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 production home in the mixed-dry climate that used 2x6, 16-inch on-center walls, and a 17 SEER central two-stage heat pump to achieve a HERS score of -6 with PV and 45 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 custom for buyers homes in the mixed-humid climate that used R-27 SIP walls, a SIP roof, R-47 SIP attic, and triple-pane windows to achieve a HERS score of -22 with PV and 38 without PV.

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 home in the mixed-humid climate that used 2x6, on-center walls, 19-inch, R-50 blown fiberglass vented attic insulation, and triple-pane windows to achieve a HERS score of 42 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 a2x6, 24-inch on-center walls, R-80 vented attic insulation, and triple-pane windows to achieve a HERS score of -8 with PV and 29 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 poster describing a DOE Zero Energy Ready Home 2020 Housing Innovation Award winning custom spec homes in the cold climate that used 20-inch R-50 blown fiberglass attic insulation and 6.9 kW rooftop solar panels to achieve a HERS score of 24 with PV and 47 without PV.