Certification Is just not a firm requirement for EnergySage installers, nevertheless it's hugely recommended. In the event the installer commenced Performing inside the solar sector in advance of NABCEP was fashioned in 2002 and it has a long (and good) background, we may still let them to affix our Marketplace. https://www.americanarraysolar.com/why-i-chose-a-local-solar-installation-company-in-fresno/