Yestino - The Signal · CO2https://yestino.com/zh-CN/entities/co2-b87372与 CO2 相关的全部事件zh-CNHitachi launches CO2 heat pump water heaters with solar-friendly tariff controlshttps://yestino.com/zh-CN/events/hitachi-launches-co2-heat-pump-water-heaters-with-solar-frie-cb4528https://yestino.com/zh-CN/events/hitachi-launches-co2-heat-pump-water-heaters-with-solar-frie-cb4528Wed, 09 Sep 2026 14:54:12 GMTHitachi 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. 来源：Hacker News