Commercial energy audits Experts in Arizona, United States

Jim Burpee is co-founder, President and Chief Engineer at Big Green Zero. Jim has played a lead role in pioneering new and better methods for reducing Arizona's commercial energy bills.

Dr. Bob Roth is co-founder and CEO of Arizona's commercial energy audit specialist, Big Green Zero. He has served as an officer and entrepreneur in several Arizona businesses including Del Webb, the Grand Canyon Railway and Big Green Zero.