Coastal Habitats constructed a series of Building America (BA) homes at the Bryant Park community in Hilton Head, SC. Based on analysis by Building Science Corporation (BSC), the homes were expected to reach >40% source energy savings (Rudd and Feldman 2007) compared to the BA Benchmark (Hendron 2008) through the use of air-tight spray foam insulation, energy efficient windows, high efficiency mechanical systems, and other measures. The ventilation system featured an innovative combination of central-fan-integrated supply (CFIS) and single-point exhaust methods. One of the Molly plans (Lot 8), which is currently undergoing detailed long-term monitoring, also had a solar domestic hot water (SDHW) system, resulting in projected source energy savings of 46% over the BA Benchmark. An additional Molly plan without solar hot water (Lot 9) was used for short-term ventilation system testing. Photos of the two test houses are shown in Figures 1 and 2, the community layout is shown in Figure 3, and the first and second floor plans for the Molly are shown in Figure 4. The as-built specifications for Lot 8 are listed in Table 1, and the preliminary BSC analysis results are summarized in Tables 2 and 3.

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Last updated August 10, 2016
Created August 10, 2016
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