We are in a rural location with no mains gas available. Mostly v thick stone built single storey with decent double glazing; no wall insulation and decent loft insulation.
The previous owners had replaced the back boiler heating system with an electric boiler which was eye wateringly expensive to run (£4K + pa) and not great at keeping place warm.
We just fitted an ASHP with new larger rads throughout. No grant but signed up to government RHI scheme which pays quarterly and should cover cost of finance for system (£17k)
Too early to say how it copes with winter and what running costs will be, but so far we are delighted.
The larger rads a vast improvement on old ones which ran on micro ore pipes. Not roasting to touch but do job nicely. Big improvement on hot water pressure from mahoosive tank.
Heating is not on 24/7, but in am and evening; hot water on separate timer. Wouldn’t know it was there noisewise.
Time will tell what actual running costs are, but impossible to be more expensive than what it replaced.
Would we have done it had mains gas been an option? Possibly not, but so far at least we have a warmer more efficient system that seems to work for our older non perfectly insulated property.
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