You will find that this workbook helps you build a strong foundation step by step.
Refrigerant Charging and Service Procedures for Air Conditioning WORKBOOK
This workbook is a practical tool for anyone who wants to master the subject.
Refrigerant Charging and Service Procedures for Air Conditioning by Craig…
A nice touch in this textbook is the online access code included with purchase.
Refrigerant Charging and Service Procedures for Air Conditioning by Craig…
This textbook includes a DVD with video lectures and supplementary materials.
Refrigerant Charging & Service Procedures for AC WORKBOOK – 2nd Ed.
A nice touch is the vocabulary list at the start of each workbook chapter.

