The industry-standard residential HVACR load calculation manual, Manual J[TM], has been completely revised and expanded for the first time in more than 15 years, and the Air Conditioning Contractors of America (ACCA) has scheduled a series of three-day "Instructor Certification Workshops" around the country to train contractors and trainers in the new procedure. According to ACCA, the eighth edition of Manual J contains greater flexibilities and sensitivities to new construction materials and methods which have become prevalent since the 1980s. Among the many features of the new load calculation manual are: • Improved equipment sizing loads for single-family detached homes, small multi-unit structures, condos, townhouses, and manufactured homes • Compatibility with new applications and comfort systems such as central single-zone systems, central multi-zone systems, and dwellings with limited or no exposure diversity • Accommodation of homes with exceptional features and lifestyle accessories such as rooms with large glass areas, solariums, and customized internal load estimates. Manual J is required to be used by many building codes around the country in the design and installation of HVAC systems. It has also been endorsed by the U.S. Department of Energy for correct, energy-efficient HVAC installation. During the Instructor Certification Workshops, attendees in small groups will learn from ACCA technical manual author Hank Rutkowski. The three-day courses include one day of software application training and demonstration. Attendees will be tested and certified in Manual J load calculation. The workshops have been scheduled as follows: Chicago (August 20-22, 2002); Los Angeles (September 10-12, 2002); Dallas (September 17-19, 2002); Orlando (October 22-24, 2002); and Salt Lake City (January 9-11, 2003). Registration is $750 for ACCA members and $850 for non-members, and includes the three-day workshop, materials, and a copy of Manual J, and demo software. Online registration is available at www.acca.org, or by calling 703/575-4477. Manual J, Eighth Edition, is also available for purchase, at a cost of $79 for members, $179 for non-members. The manuals may be purchased at www.acca.org, or by calling ACCA's catalog line at 888/290-2220.