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Ducting HPWH air to the outside can affect other systems like Heat Recovery Ventilators (HRVs) .

Incentives and grants are available to encourage the adoption of this technology, often through "go all-electric" initiatives . {GHpVh}

Installation should follow local codes and safety regulations . Grants and Incentives Ducting HPWH air to the outside can affect

HPWHs are 2x-4x more efficient than conventional electric resistance water heaters . {GHpVh}