Certification isn't a organization requirement for EnergySage installers, nevertheless it's very advised. If the installer commenced working during the solar sector before NABCEP was fashioned in 2002 and it has a long (and constructive) history, we should still allow for them to join our Marketplace. “We interviewed numerous distinct companies https://www.americanarraysolar.com/what-should-you-ask-a-solar-company-in-fremont-before-hiring-them/