Delmar Learning, the leader in providing first-rate educational materials for technicians, now offers the Heating, Ventilation, Air-Conditioning and Refrigeration Computer Based Training (CBT), which is part of the exciting, self-paced Professional Truck Technician Training Series. This course offers more than 8.5 hours worth of quality instruction. Combining theory, diagnosis, and repair information into one easy-to-use training tool, this highly interactive product helps technicians receive the most applicable delivery method for their needs, regardless of technical infrastructure.