Certification isn't a agency need for EnergySage installers, but it really's extremely advisable. In the event the installer started off Performing during the solar marketplace just before NABCEP was formed in 2002 and it has a protracted (and beneficial) history, we should let them to join our Marketplace. “We approached https://www.americanarraysolar.com/will-it-worth-investing-in-solar-energy-system/