1st, All solar installers need to keep a sound and Energetic license from the Contractors Condition License Board (CSLB). They can maintain any of the next being Accredited for solar installations in California: a solar contractor license, an electrical contractor license or possibly a normal making contractor license. California released https://www.americanarraysolar.com/services-offered-by-the-hvac-companies-after-heat-pump-installation/