The Complete HVACR Field & Study System: 4 Books in 1 - Foundations, Refrigeration, AC & Heat Pumps, Diagnostics & Certification with 68 QR-Linked Training Videos and EPA 608 Practice Exams
The Complete HVACR Field & Study System: 4 Books in 1 - Foundations, Refrigeration, AC & Heat Pumps, Diagnostics & Certification with 68… examines heat-pump technology and operation, refrigeration principles and refrigerant service, and diagnostic and troubleshooti...
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The Complete HVACR Field & Study System: 4 Books in 1 - Foundations, Refrigeration, AC & Heat Pumps, Diagnostics & Certification with 68… examines heat-pump technology and operation, refrigeration principles and refrigerant service, and diagnostic and troubleshooting methods. Related subjects: technical certification and exam preparation; duct design and air distribution.
- Author: Marcus K. Callahan
- Publisher: Independently published
- Publication date: July 19, 2026
- Language: English
- Formats: Hardcover, Paperback
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