Bill Whitman graduated from Keene State College in Keene, New Hampshire, with a Bachelor's Degree in Industrial Education. He received his master's degree in School Administration from St. Michael's College in Winooski, Vermont. After instructing drafting courses for 3 years, Mr. Whitman became the Director of Vocational Education for the Burlington Public Schools in Burlington, Vermont, a position he held for 8 years. He spent 5 years as the Associate Director of Trident Technical College in Charleston, South Carolina. Mr. Whitman was the head of the Department of Industry for Central Piedmont Community College in Charlotte, North Carolina, for 18 years.
Bill Johnson has taught Heating, Air Conditioning and Refrigeration for 21 years in various technical colleges and factory schools. A graduate of Southern Technical Institute, a branch of Georgia Tech in Atlanta, Georgia, he has also served as a Service Manager for a major manufacturer for 6 years. Mr. Johnson owned his own HVAC&R business for about 10 years and has been a member of the Refrigeration Service Engineers Society and the American Society of Heating Refrigerating Air Conditioning Engineers. His authoring credits include 3 major textbooks on the market today, as well as their ancillary materials.