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A comment on Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls. Parent comment

Re:Hitachi launches CO2 heat pump water heaters with solar-f... by fransje26 on Thursday September 10, 2026 @03:02PM (#49648724)
> Our Mitsubishi has other nice features like it can recirculate the water in the bath through a heat exchanger after you already filled it and got in

Interesting! Is there some sort of filter system you can easily clean out, to avoid any issues?

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Re:Hitachi launches CO2 heat pump water heaters with solar-f... by greggsy on Thursday September 10, 2026 @03:13PM (#49648861)
It’s like human sous vide
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