Heat-pump vs condensing boiler
On Thursday, 1 October 2020 19:53:00 UTC+1, Andy Burns wrote:
yes COP falls with temperature, but 1m below ground coils don't get as
cold as air, unless coils are undersized and you end up freezing the
ground by over-extracting.
Assuming it is under your lawn, you might save some lawnmower energy usage!
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