Certification is not a organization need for EnergySage installers, but it really's really suggested. If the installer started off Doing work during the solar business prior to NABCEP was formed in 2002 and it has a long (and favourable) track record, we should still allow them to hitch our Marketplace. https://commercialsolarinstallationcalifornia.travel.blog/2024/09/13/4-tips-to-hire-the-best-commercial-solar-contractors/