Hitachi has introduced its Y-series EcoCute CO2 heat pump water heaters in Japan, with 370-liter and 460-liter models set to launch from November 2026.
The upgraded range adds expanded support for daytime electricity tariffs and PV-linked energy management, alongside a five-year manufacturer warranty.
Hitachi Global Life Solutions, a unit of Japanese technology conglomerate Hitachi, has announced a new series of residential EcoCute heat pump water heaters for the Japanese market, with sales set to begin progressively in November 2026.
The new Y series uses natural refrigerant carbon dioxide (CO2) and is available in several configurations. At the top of the range are the BHP-FV37YD and BHP-FV46YD, two fully automatic models featuring direct mains-pressure hot-water delivery. They have storage capacities of 370 liters and 460 liters, respectively.
The 370-liter model is designed for households of around three to five people, while the 460-liter unit is aimed at households of four to six people.
