Coad Engineering | Main  

4545 Oleatha Avenue, Saint Louis, Missouri 63116
(314) 645-6232

We deeply regret to announce that William J. "Bill" Coad passed away on August 9, 2014.

His obituary can be found here or at

William J. Coad

Coad Engineering Enterprises, Inc. is dedicated to improving thermal comfort and health in the built environment.  The firm is structured to achieve this objective, not through product or patent, but through knowledge and improved systems engineering.  Our methods are grounded on a half-century of teaching, designing and operating building energy systems. Over the decades, we have continually advanced the technology and often preceded available products. Most importantly, we believe that energy conservation and environmental preservation is an ethic that should, and must, permeate all aspects of mechanical and electrical system design.

Engineering Software International, Inc. (ESI) offers a set of engineering calculation programs to assist engineers and designers in the analysis and design of Heating, Ventilating, and Air Conditioning Systems. The programs are interactive allowing the engineer or analyst the flexibility of iterative analysis when implementing design options.

Further Information on ESI may be found at: