what is a critter guard?Post author:freedomtask2Post published:January 13, 2020Post category:FAQIt is a screen protector installed around the solar array to keep squirrels and other rodents from damaging the system. You Might Also Like Do I need to prove from my homeowners association? January 15, 2020 Why is solar power the best energy source? January 15, 2020 Should I repair or replace my roof before going solar? January 15, 2020