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"... Some common jurisdictional structures include triggering the requirements at major remodels, additions ... According to
NEEA all major HPWH manufacturers are represented in NEEA’s qualified product list17 and ..."
This report documents cost-effective measure upgrades in existing single family buildings that exceed the minimum state requirements. It evaluates efficiency measures such as adding insulation, replacing windows, and duct upgrades, fuel substitution measures that upgrade space heating and water heating to heat pumps, and solar photovoltaics (PV) across all 16 California climate zones. A 1,665...