• My house is all electric (ancient, never had central heating installed, off gas grid). I currently have a ruinously expensive immersion heater that is only needed for 3 hot taps (no bath, and shower is electric). What’s the best way to heat that much water? Presumably I can get some sort of central heater that heats it as you need it and pumps it to the taps, rather than storing hot water I don’t use much of. Like an electric combi boiler but only used for taps, not central heating.

    [I am working on insulation, and I have the best storage heaters, which are terrible, but I’m not going to put a whole central heating system and heat pump in, I can’t afford it and I’d never see a return on it]

  • Maybe a heat battery. Sunamp are the ones I know about. I’m considering sunamp as we don’t have space for a water tank once our oil combi boiler goes.

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