Recent content by aekostas

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    Combining gas boiler and heat-pump

    Thanks for all the replies. I am a proud owner of a 1987 Potterton NG boiler, using unpressurised circuits for heating and hot water (tank). I do not have solars (because Scotland :-)). I think that the NG price will change to the worse and I know that I can pick an electricity supplier that...
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    Combining gas boiler and heat-pump

    Hello, Despite attic and cavity-wall insulation, my property, certainly the stick-out lounge, loses heat, so it is not ideal for heat-pump. No, I am not rebuilding it to add underfloor heating. :-) I saw that Vaillant do the aroTHERM hybrid system that uses tariff information and weather...
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