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 Roof-Mount System or Ground-Mount System January 15, 2020 Why is solar power the best energy source? January 15, 2020 How will I know if my property is a good candidate for solar panels? January 15, 2020