chad@chadheiser.com in Lower Lake Ca. is who did mine. Worth the drive for me. We spent 3 days over on the coastI just put 8 - 220 watt panels and 4 - 230 ah batteries with Victron 3000w. inverter system in my 26' Grand Designs trailer.
while he did the install. He has photos, full material list & drawings on all of his installs.