Certification is not a firm necessity for EnergySage installers, but it really's really recommended. In case the installer commenced Doing work inside the solar industry before NABCEP was fashioned in 2002 and it has a long (and positive) reputation, we should let them to affix our Market. Although some companies https://bestsolarcalifornia.mystrikingly.com/blog/why-should-you-buy-maintenance-services-from-solar-companies-fresno