BASC Search

Case study describing a wall retrofit of a 1940s kit home in Kalamazoo MI that included adding 1 inch of rigid polyisocyanurate insulation while replacing siding the vinyl siding to the home.

Case study describing a wall retrofit of a 1970s cedar-sided home in Bellingham WA that included adding 2 inches of cork insulation while replacing the existing cedar siding.

Case study describing methods to seal crawl spaces in cold climate homes with integrated whole-house ventilation systems.

Case study describing a wall retrofit of a 1950s bungaloo home in Jackson MS that included adding 1 inch of rigid XPS insulation while replacing aluminum siding with vinyl siding on the home.

Case study describing a wall retrofit of a 1920s home in Long Island NY that included adding 1 inch of rigid foam insulation over existing stucco and covering with vinyl siding on the home.

Case study describing a retrofit project in the marine climate.

Case study describing the most cost-effective ways to reduce duct leakage in low-rise housing units.

Case study describing a wall and window retrofit of a 1940s kit home in Kalamazoo MI that included adding 1 inch of rigid polyisocyanurate insulation and low-e storm windows while replacing vinyl siding on the home.

Case study describing whole house building techniques in the hot-dry climate.

Case study describing a four-square Concord home retrofitted by Building Science Corporation in Massachusetts.

Case study describing a wall and window retrofit of a 1950s bungaloo home in Jackson MS that included adding 1 inch of rigid XPS insulation while replacing aluminum siding with vinyl siding and replacing the original windows with triple-pane windows.

Case study describing a wall and window retrofit of a 1970s cedar-sided home in Bellingham WA that included adding 2 inches of cork insulation while replacing the existing cedar siding and replacing the double-pane windows with triple-pane windows.

Case study describing a wall and window retrofit of a 1920s home in Long Island NY that included adding 1 inch of rigid foam insulation over existing stucco and covering with vinyl siding on the home, then adding exterior low-e storm windows to previously upgraded double-pane windows.

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 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 2022 Housing Innovation Award winning production home in the mixed-humid climate that used 2x6 16-inch on-center walls, an R-49 insulted attic, and insulated basement to achieve a HERS score of 45 without PV.

Case study describing project conducted by Habitat for Humanity of Greater Lowell (HfHGL) and Building Science Corporation (BSC).

Case study describing a package of energy- efficiency measures for new manufactured homes in the Pacific Northwest, including triple-pane highly efficient windows.

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 for buyer home in the cold climate that used R-22 ICF walls, R-63 unvented vaulted attic insulation, and triple-pane windows to achieve a HERS score of -11 with PV and 26 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 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 2022 Housing Innovation Award winning custom-for-buyer home in the mixed-humid climate that used 2x4 16-inch on-center walls, and R-30 open-cell spray foam attic insulation to achieve a HERS score of 47 without PV.

Case study describing a multifamily, affordable housing retrofit project that achieved 44% energy savings using readily available, cost effective measures.

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

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 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 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.

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.