The 2018 HVAC Level 1 Training Guide by NCCER is a comprehensive textbook designed for anyone interested in the field of heating, ventilation, and air conditioning. The book covers key subjects such as trade mathematics, basic electricity, and various piping practices, air distribution systems, soldering and brazing; providing a person with essential knowledge in the industry. With a highly illustrated design and insights from industry experts, this guide serves as a valuable resource for those looking to delve into the intricacies of HVAC systems and prepare for a career in the field.