Mike90250 that's what I thought too. Although, I would say the noises are more frequent at heat-up and cools down times. That's totally anecdotal, but now that I am getting some feedback here I may actually measure the time between noises. It does appear that the noises are less frequent on cloudy days (days with less temp variation.)
Hoping to find some time to post pics and measurements tomorrow.
J.P.M. The volume of the noises varies from fairly soft- maybe a tree cracking from far away, to loud, a tree cracking when being cut down. Or yes, door slamming is not a bad analogy.
Hoping to find some time to post pics and measurements tomorrow.
J.P.M. The volume of the noises varies from fairly soft- maybe a tree cracking from far away, to loud, a tree cracking when being cut down. Or yes, door slamming is not a bad analogy.
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