Horizontal vs vertical panel installation
I am looking at adding another PV system on the house roof and when I layout the panels I am thinking of using, its looks like I have to mount them horizontally versus vertical due the size fo the space on the roof. To date I have only done vertical installations. I dont see any specific warnigns or recommedations against horizontal mounting but was curious if I am missing something? I would prefer vertical as it is two less seams on the slope to slow down snow sliding off but given the arrays relatively shallow angle for my latitude, I expect my winter production is going to be pretty poor due to snow buildup.
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