Certification isn't a company requirement for EnergySage installers, nevertheless it's really suggested. In case the installer started off Doing the job in the solar field in advance of NABCEP was fashioned in 2002 and it has a protracted (and constructive) reputation, we may still let them to hitch our Marketplace. https://pageoftoday.com/story4533798/the-best-side-of-solar-installation-company-wa