Certification isn't really a firm need for EnergySage installers, nonetheless it's hugely encouraged. In the event the installer begun Functioning in the solar marketplace just before NABCEP was shaped in 2002 and it has an extended (and constructive) history, we should still allow them to affix our Market. Consultation process: https://www.americanarraysolar.com/4-factors-to-remember-when-choosing-the-solar-company-visalia/