HVAC Level 2

HVAC Level 2, 5th Edition, is a textbook published by Pearson and authored by NCCER. The volume provides technical training on the electrical, mechanical, and airflow systems used in heating, ventilation, air conditioning, and refrigeration.

The text addresses alternating current power, refrigerant circuits, and heating equipment. Trainees examine single- and three-phase electrical circuits, compressor diagnostics, refrigerant handling guidelines, and heat pump operations.

Featuring an illustrated design, the guide includes technical hints and tips from industry experts alongside review questions. It also highlights hands-on performance tasks that allow learners to practice core servicing procedures in the trade.