"Commercial Refrigeration: For Air Conditioning Technicians" by Dick Wirz is a comprehensive textbook published by Delmar Cengage Learning in 2009. Covering a range of subjects in technology and engineering, particularly focusing on commercial refrigeration systems and their relationship to air conditioning, this hardcover book is designed for professionals in the technical and manufacturing industries. The 320-page publication serves as a valuable resource for those studying or working in the fields of HVAC (heating, ventilation, and air conditioning) and electronics, offering insights and guidance for understanding and working with commercial refrigeration systems.