Sunrun Is the most important household solar company within the U.S., specializing in solar leases and PPAs. They offer extensive protection which include roof leak protection and totally free upkeep for lease clients. Ask if the folks creating and setting up your system hold a appropriate credential, like a NABCEP https://www.americanarraysolar.com/why-buy-roof-maintenance-services-chatsworth-for-commercial-roofing/