Derek Chestnut

McClure Engineering is a Mechanical and Electrical Consulting Engineering firm dedicated to the development of innovative solutions for the unique engineering needs of our clients. The firm is committed to establishing and retaining a closely-knit relationship with our broad base of clients and through the relationship, establishing a team approach toward the development and implementation of leading edge technology in all aspects of energy systems engineering. The firm's philosophy is that only through this cooperative team approach can the risks associated with new ideas be successfully borne and the state-of-the-art advanced. McClure Engineering has had a leadership role in advancing the technology in comfort environmental systems. We authored the first commercially available diagnostic computer programs to analyze building energy consumption. Other innovations included variable air volume system designs in the late 1960's, engine driven water source heat pumps with engine heat recovery, internal combustion engine cogeneration systems, one-pipe campus type chilled water systems and variable flow chilled water systems. The firm has a strong belief that energy conservation is an ethic that should permeate all aspects of mechanical and electrical system designs. Ranked #1 for Flexibility in the Workplace, McClure Engineering is an "Employer of Choice"​ repeatedly named one of St. Louis'​ Top Workplaces, Healthiest Employers & Best Places to Work! McClure continues to offer its employees growth and stability in addition to challenging projects and a flexible work environment. McClure also offers competitive pay commensurate with qualifications and experience and a comprehensive benefits package to promote wellness, work/life balance and financial security.