Boycott HP: https://bdsmovement.net/boycott-hp
HP-branded corporations play key roles in Israel’s oppression of Palestinians. They are complicit in Israel’s occupation, settler-colonialism and apartheid regime. They provide computer hardware to the Israeli army and maintain data centers through their servers for the Israeli police. They provide the Itanium servers to operate the Aviv System, the computerized database of Israel’s Population and Immigration Authority. This forms the backbone of Israel’s racial segregation and apartheid.
I’m no expert, but I’d imagine figuring out a (safe) way to use it with your water heater would be the low-hanging fruit, in terms of least-complexity for the amount of grid consumption you’d potentially save.