A friend had a new fridge and washing machine repaired, new circuit boards, according to repair man power surge was the culprit. Both are on surge protectors now.
I have been keeping my entertainment center on a ups with built in surge protection. In the past when I was home during a power failure I remember the power doing a quick on-off-on-off, it bugged me to see some of my favorite electronics pushed hard, hence the trip to the store for a ups. Regarding GSHP, something I have no experience with, I know water wells are often struck by lightning, it would seem gshp would be at similar risk.
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1.47 kw solar, R-40+ attic insulation, 4 layers radiant barrier, solar attic fan, solar mini pool pump
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