Out of interest, I’ve just done a comparison of my electricity consumption in my new house (heat pump for hot water and heating, LED lighting, electricity for cooking and everything else) and my old one (steatite electrically heated hot water tank, electric background heating, electric oven but only used occasionally, some LED but mainly halogen and incandescent lighting).
Old house: 19/09/20 – 18/11/20, 1557 units consumed (26 units/day)
New house: 12/09/23 – 26/10/23, 246 units consumed in total of which the heat pump accounted for 34 units. Thus ‘all other’ accounted for 212 units in 44 days (5 units/day)
Heat pump: 19/10/23 – 26/10/23, 34 units consumed (5 units/day)
Thus my total daily consumption in my new house has been about 10 units/day ie under 40% of my consumption in my old house at about the same time of year.
I find this staggering especially bearing in mind that my old house was always cold, especially during the day, and had to be additionally heated by my wood burner whereas the new house has a constant room temperature of 24 degrees C throughout the building and hot water at 55 degrees C.
I think the figures show that modern heat pumps really do work so long as the houses in which they’re installed have been designed around them, like mine has been. Obviously I’ll keep monitoring the figures but I don’t think I’ve made a mistake – in any sense of the word 😀
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