Building America Whole-House Solutions for Existing Homes: Performance of a Hot-Dry Climate Whole-House Retrofit, Stockton, California (Fact Sheet)

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The Alliance for Residential Building Innovation (ARBI) team conducted a deep retrofit project within Stockton’s Large-Scale Retrofit Program that expanded on the standard package by adding HVAC, water heater and window upgrades to the ducting, attic and floor insulation, domestic hot water insulation, envelope sealing, lighting and ventilation upgrades. Post-retrofit site energy savings were 23% compared to the pre-retrofit case.