Thoughts on solar array snow guards or eave setback, zone 4A?

I’m about to have a solar array installed on my roof, but starting to worry about snow avalanche issues.  Does anyone believe snow guards are a necessity in zone 4a… I’m about to have a solar array installed on my roof, but starting to worry about snow avalanche issues.  Does anyone believe snow guards are a necessity in zone 4a…Read MoreGreenBuildingAdvisor