CHA has consistently ranked as one of Engineering News Record’s Top 20 U.S. firms serving the manufacturing sector. We are nationally known for our expertise in the identification and delivery of energy efficiency and generation solutions for the commercial, institutional, and industrial sectors. Our team is comprised of industry experts with hands-on experience as facility managers and engineers. For over six decades, our clients have recognized the value that CHA brings by providing a full complement of technical services under one roof. Our services are tied by a common thread: an innovative approach to problem solving.