Certification just isn't a agency requirement for EnergySage installers, but it really's really recommended. When the installer started out working in the solar field just before NABCEP was formed in 2002 and it has a lengthy (and good) track record, we may still allow them to join our Marketplace. Although https://californiasolarpowersystems.health.blog/2024/08/23/why-should-you-buy-maintenance-services-from-solar-companies-fresno/