AEC provides a wide spectrum of professional energy engineering and integrated energy design services. Additionally, AEC develops and markets engineering application hardware and software focused on the commercial and residential energy industry. AEC maintains an interdisciplinary staff of mechanical, electrical, and architectural engineers; architects; computer scientists; technicians; and research support staff. Founded in 1982 by Donald J. Frey, P.E. and Michael J. Holtz, A.I.A, Architectural Energy Corporation (AEC) works to improve the energy performance of buildings. AEC assists its clients by helping to design, commission, and verify their buildings operate at peak energy performance over their useful life