You May also Look at to determine Should the installer has any maker endorsements, which attest to their expertise in putting in that brand's solutions. Most producers need installers to endure a vetting course of action to ensure They are properly accredited and skilled prior to issuing them an endorsement. https://www.americanarraysolar.com/what-should-you-ask-a-solar-company-in-fremont-before-hiring-them/