The Workmanship guarantee addresses all the labor your installer performs. It's usually somewhere involving one and a decade. Certification is just not a company requirement for EnergySage installers, nonetheless it's highly advised. In the event the installer started off Doing the job inside the solar sector just before NABCEP was https://www.americanarraysolar.com/why-should-you-buy-maintenance-services-from-solar-companies-fresno/