Mike made a good point.....were any inspections done? What's the age of this home? Size of home? Size of original service v/s new panel? Was the re-wire part of a heavy-up? If done incorrectly, this c ... read more
Can't say I've ever heard them doing it when they cool down, but when the sun hits them in the morning, it can happen. If they're mounted to an aluminum facia, that can also transfer noise when expand ... read more