About The Author
John Tomczyk is co-author of the book Refrigeration and Air Conditioning
Technology published by Delmar, Cengage Learning. He is author of the book
Troubleshooting and Servicing Modern Air Conditioning and Refrigeration
Systems published by ESCO Press .
He is also author of an EPA-approved Technician Certification Program
Manual and a Universal
R- 410A Safety and Retrofitting Training Manual. He also is a monthly
columnist for Air Conditioning, Heating and Refrigeration News magazine.
Tomczyk has 28 years of teaching experience at Ferris State University in Big
Rapids, Mich., along with many years of HVACR service experience. To order the
book Refrigeration and Air Conditioning Technology, call (800) 648-7450.
Tomczyk can be reached an be reachedby email at tomczykjohn@gmail.com.
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