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Profile: Donald L. Corwin, PE

Therm-A-Cor Consulting, Inc.
418 Pawlings Road
Phoenixville, PA 19460
Phone: 610-935-8493
Fax: 610-935-5467

Therm-A-Cor Consulting Inc., founded in 1998 by Donald L. Corwin, PE, specializes in combustion engineering consultation. Therm-A-Cor performs forensic analysis of current and historic operational conditions for a wide variety of combustion and air pollution control equipment. The firm analyses the catastrophic failure of burning, boiler, refractory and heat transfer systems to identify the cause of the failure and estimate potential emissions. 

Therm-A-Cor has special qualifications in the evaluation of combustion equipment explosions and has worked nationally with attorneys to give expert opinions and testimony on the operational conditions and emissions projected from a wide variety of equipment. 

Expert opinions can be generated by professional engineers for locations throughout the United States. Principal Donald Corwin, PE is a registered engineer in 14 states and is a board certified Forensic Engineer.



  • BS - Aerospace Engineering - Penn State University, 1970 (Fluids, Electrical) 
  • MS - Aerospace Engineering - Penn State University, 1972 (Fluids) 
Continuing Education:

  • General Electric "A" Course, 1974 
  • Industrial Combustion Technology, 1978 
  • ASME Pressure Vessel Section VIII, 1979 
  • Penn State Univ. Mechanical Engineering Review, 1980 
  • Industrial Waste Incineration Technology, 1981 
  • Fired Process Heaters Design, 1983 
Professional Affiliations: 

  • American Society of Mechanical Engineers 
  • ASME Research Committee on Municipal and Industrial Waste (Secretary) 
  • ASME Hazardous Waste Operators Exam Committee 
  • Air and Waste Management Association 
  • National Society of Professional Engineers 
  • National Academy of Forensic Engineers 
  • National Fire Protection Association Rutgers University – Lecturer - EPA Regulators Review Course


  • Registered Professional Engineer PA, NY, NJ, DE, TX, LA, VA, WI, WV, MN, UT, MD (First PA – 029512 E) 
  • Board Certified Forensic Engineer
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Area(s) of Expertise

Providing Expert Testimony in matters of
Combustion & Heat Transfer / Explosions

  • Air Pollution Control
  • Boiler 
  • Emissions
  • Energy Recovery
  • Equipment Design & Operation
  • Fume Collection Systems
  • Hazardous Waste Incinerators
  • Incinerator
  • Incineration Control
  • Industrial Fired Equipment
  • Oxidizer Systems
  • Process Design
  • Process Heaters
  • Project Management
  • RTO 
  • Safeguards
  • Waste Liquids