This book is going to give you a brief history and description of the HVAC industry mostly in the residential market. Residential Heating and Air Conditioning is easier for the beginner to learn as they start their new career. As a technician's knowledge grows from education, time in the field and experience they will gradually have a desire to move into larger and more challenging opportunities within the industry. Being a technician or installer are not the only opportunities in the HVAC trade. Engineering, Estimating, Sales and so much more are available to these individuals. This is an introductory book to an educational series.