Case Studies

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning production home in the hot-humid climate that used 2x6 24-inch on-center walls, R-21 open-cell spray foam in the attic, and 5.2kW of solar panels to achieve a HERS score of 17 with PV and 53 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom spec home in the hot-humid climate that used 2x6 16-in. o.c. walls, R-38 spray-foam in attic, rigid mineral wool in basement, 5.44 kW of solar panels, and a 10-kW battery to achieve a HERS score of...

Case study poster describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom-for-buyer home in the hot-humid climate that used 2x6 and 2x4, 16-in. o.c. R-24 walls, an R-38 spray-foamed attic, and high-SEER heat pump to achieve a HERS score of 49 without PV.

Case study describing a DOE Zero Energy Ready Home 2022 Housing Innovation Award winning custom spec home in the hot-humid climate that achieved a HERS 20 with PV or HERS 50 without PV.

Case study poster describing a DOE Zero Energy Ready Home 2023 Housing Innovation Award winning production home in the hot-humid climate that achieved a HERS 23 with PV or HERS 48 without PV.

Case study describing a building project in the hot-humid climate zone.

Case study describing a gut rehab of a multifamily, masonry building.

Case study describing one of three deep energy renovations of occupied affordable homes.

Case study describing analysis of pre-retrofit utility data from 1,166 houses to help determine energy savings on a community-scale.

Case study describing an energy efficient retrofit project in hot-humid climates.

Case study describing a deep energy renovation of a home in Florida.

Case study describing a builder in Texas that met the stringent requirements of the U.S. Department of Energy's Builders Challenge on over 779 homes in 2010.

Case study describing David Weekley Homes, and how by working with Building America and the Building Science Corporation, they been able to build tighter more energy efficient homes and pass the benefits along to customers.

Case study describing Ferrier Custom Homes’ “Zero-Energy Casita” project, a new construction utilizing SIPS to achieve a HERS score of 30.

Case study describing a new home construction project in the hot-humid climate.

Case study describing 100 homes constructed post Hurricane Katrina and the techniques and materials being employed to achieve energy efficiency

Case study describing a new home construction project in the hot-humid climate, part of a project building 100 new homes after hurricane Katrina.

Case study describing a new home construction project in the hot-humid climate.

Case study describing a new home construction project in the hot-humid climate.

Case study describing a new home construction project in Florida.

Case study describing a new home construction project in the hot-humid climate.

Case study describing the processes behind the building of the homes making up the Callaway Gardens community, as well as the challenges brought out due to it's proximity to nature and homebuyers not valuing energy efficiency until they've experienced it.

Case study describing a new home construction project in the hot-humid climate.

Case study describing how in 2010, Tommy Williams Homes built 36 houses that all achieved HERS scores below 60, this was achieved by partnering with an energy consulting firm and Building America.

Case study describing William Ryan Homes and their achievement of reducing whole house source energy use by 40% and receiving HERS scores of 65 to 70 by utilizing high efficiency heat pumps with engineered duct design.

Case study describing a building project in the hot-humid climate zone.

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

Case study describing compact buried ducts in hot-humid climate homes.

Case study describing a new building project that partnered with Habitat for Humanity.

Case study describing a new construction project in North Carolina.

Case study describing a building project in the hot-humid climate zone.

Case study describing a building project in the hot-humid climate zone.

Case study describing a new home builder that strives to address health, safety, and durability issues in a hot and humid climate.

Case study describing a high-efficient building project in St. Lucie, FL.

Case study describing a building project in the hot-humid climate zone.

Case study describing a building project in the hot-humid climate zone.

Case study describing a building project in the hot-humid climate zone.

Case study describing a building project in the hot-humid climate zone.

Case study describing a new construction project in Florida with a HERS score of 15.

Case study describing two new construction projects in Florida built to be net zero energy homes.

Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

Case study describing a building project in the hot-humid climate zone.

Case study describing a building project in the hot-humid climate zone.

Case study describing the New American Home project.

Case study describing how using buried and/or encapsulated ducts can reduce duct thermal losses in existing homes.

Case study describing field testing of an unvented roof with fibrous insulation and tiles.

Case study describing how heat pump water heaters can be cost-effective alternatives to traditional electric resistance water heaters.

Case study describing how to decrease indoor moisture using an air conditioning unit with a dehumidifier in hot-humid climates.

Case study describing a six month study that monitored performance of a heat pump water heater.

Case study describing techniques used to prevent thermal bypass in new homes.