Mr. Curtis has over 38 years of experience in Ammonia Refrigeration Engineering & Safety including the engineering design and specifications, installation, maintenance, troubleshooting of refrigeration systems. As an engineer, Mr. Curtis has been involved in all aspects of design including refrigeration controls, calculated loads, electrical control systems, compressors specifications, and safety systems.  In addition, Mr. Curtis has taught courses, contributed to books, been a National Board Member of the Refrigeration Engineers and Technicians Association (RETA). He was also a consultant for OSHA required training on Ammonia Refrigeration Systems, wrote curriculum and taught Ammonia Refrigeration Systems curriculums as an adjunct professor.  As a Safety consultant, Mr. Curtis has been involved in evaluating system failures, PSM (Process Safety Management) Program development and audits, Risk Management systems, leak detection, ventilation systems, alarm systems, safe start-up and shut-down processes among others. He has extensive experience in many industries including cold storage, fruit, meat, poultry, dairy, beverage, chemical, wine, among others.


  • Bachelor of Science – Engineering Technology/Refrigeration and Air Conditioning, California Polytechnic State University, 1984
  • Frick Company, Industrial Refrigeration Engineering School, 1985.
  • American Institute Of Chemical Engineers, EPA RMP and OSHA PSM Training, 1996


  • Refrigerating Engineers and Technicians Association
  • Retired National Board Member, Past Chapter President

* Partial bio; contact Humatec for comprehensive CV