Life cycle energy of GSHP vs ASHP
I am curious if there is any research on the life cycle energy of heat pumps? A typical ground source heat pump has a higher COP than an ASHP, but I would guess at the cost of greater embodied energy due to trenching for a loop field, loop field piping etc. Does the GSHP’s greater efficiency eventually overcome the greater embodied energy? I understand there are a lot of variables here including climate, site, occupant behavior etc.
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