Charles
Charles “Chas” Ehrlich is project manager at Heschong Mahone Group,
specializing in lighting technologies, multifamily building energy efficiency, and renewable energy. He manages
the delivery of the California ENERGY STAR New Homes Multifamily program on behalf of Southern California Edison.
Chas serves on the board of a photovoltaic installation company and is a founding member of a biodiesel advocacy
organization.