Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls
Summary
PV magazine reports Hitachi's new Y-series EcoCute CO2 heat pump water heaters for the Japanese market, available in 370L and 460L, launching November 2026. The upgrade adds solar-friendly daytime tariff controls and PV-linked energy management, plus a five-year warranty. The article notes HEMS connectivity and suggests this is more an energy-management extension than a new heat-pump design.