Certification is just not a company prerequisite for EnergySage installers, nevertheless it's remarkably suggested. In case the installer started out working within the solar sector prior to NABCEP was shaped in 2002 and it has a protracted (and positive) background, we should still make it possible for them to affix https://www.americanarraysolar.com/what-are-the-pros-of-hiring-a-solar-company-in-the-first-place/