Modern Refrigeration and Air Conditioning 21st Edition Publisher The Goodheart-Willcox Company, Inc. Tinley Park, IL www.g-w.com Andrew D. Althouse, BS, (ME), MA Carl H. Turnquist, BS, (ME), MA Alfred F. Bracciano, BS, M.Ed., Ed. Sp. Daniel C. Bracciano, BSME Gloria M. Bracciano, BA, MA, Ed. Sp.