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Photo of Craig Christensen

Craig Christensen

Principal Engineer | 303-384-7510

Craig joined NREL in 1979. He currently leads the energy analysis efforts for the Building America Program and supports solar buildings research efforts at NREL that includes BEopt development, analysis for new and existing residential buildings, and modeling accuracy. Craig has also led many projects related to residential and commercial buildings, active solar systems, passive solar design, energy conservation, and computer modeling of buildings, systems, and components. He originated the concept of the unglazed transpired solar collector at NREL and participated in research that led to an R&D 100 Award and Popular Science "Best of What's New" Award in 1994.

Prior to joining NREL, Craig worked as a solar consultant, individually and at a small mechanical engineering firm. He also worked for three years for the National Oceanic and Atmospheric Administration as a scientist and officer on oceanographic ships.


M.S. Mechanical Engineering, Brigham Young University

B.S. Mechanical Engineering, Brigham Young University