Certification is just not a organization requirement for EnergySage installers, nonetheless it's extremely proposed. Should the installer started off Functioning from the solar business in advance of NABCEP was formed in 2002 and has an extended (and optimistic) reputation, we should still let them to join our Market. Tesla: Tesla https://bestsolarcalifornia.mystrikingly.com/blog/4-tips-to-hire-the-best-commercial-solar-contractors