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House Structural System ACH50 Average Hourly Indoor T (F) Condit. Floor Area (sq. ft.) HERS Score
1 SIP 1.8 75 1036 82.7
2 SIP 1.8 75 1069 83
3 Frame 5.3 80 1208 82.9

Table 5. Sumpter County Habitat for Humanity Field Study

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