The architectural engineer (AE) is involved with the design of the building, and/or the estimating and supervision of the project. Initial emphasis is on building construction materials, principles, practices, and methods. An Architectural Engineer can specialize in structural design or in building environmental system design of heating, ventilating and air conditioning, fire safety systems, plumbing, or lighting/illumination. In college the Architectural Engineering (AE) program is clearly focused on the building industry