The "HVAC Estimating Professional Reference by American Contractors Educational Services Staff" is a comprehensive textbook published by Cengage Learning in 2007. This book, part of the A to Z series, covers topics in Technology & Engineering, Education, and Business & Economics. With a focus on construction estimating and business methods, it is designed for adult education and further education levels. Written in English, this 384-page textbook provides valuable insights and information for professionals in the HVAC industry. The compact size of 5.9 x 4 x 0.8 inches and lightweight weight of 8.2 oz make it convenient for on-the-go studying and reference.