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Replace oil boiler with heat pump and thermal store?

  • 05-04-2023 2:14pm
    #1
    JayBee66
    Registered Users, Registered Users 2 Posts: 339 ✭✭


    I'm in the middle of a retrofit with triple glazing, PV and legacy solar thermal. Electric heating and ventilation to come.

    With regards to electric heating, I have dabbled with a Far Infra Red panel; an AENO panel from Harvey Norman. Not overly impressed. I have done plenty of research on Air to Air heat pumps but I don't like the cost. Even with the COP I am thinking that at my age, any ~100% electric heating will be powered long enough by saving on the expense of a full A2W or A2A heat pump system.

    I looked at A2W but there are micro bore pipes under the concrete floor and that's where they are going to stay. However, I think of all those radiators going to waste and wonder if I can heat them with a sufficiently large thermal store (rather than an A2W buffer tank) fed by a heat pump. In that way, all the heat pump has to do is provide heat without worrying about pipe diameters or low temperature radiators.

    Has anyone tried this? Is it possible? Am I wasting my time?

    At the moment, the only alternatives I have are to stick with the oil (but we have about 800 yoyos of electricity credit waiting for us) or a mixture of A2A (for 20C living room and office) and FIR in the bedrooms to keep them at about 16C. Other rooms be damned. Two desiccant dehumidifiers keep the damp down. I have a wood stove but it's not doing my respiratory system any good.

    I'm in a rural area so there's no gas mains. I'd rather not burn anything. PV and SSE Airtricity means I shouldn't be burning anything.

    Thanks for any help.



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