ARLINGTON, VA — The industry-standard residential HVACR load calculation manual, Manual J™, has been completely revised and expanded for the first time in more than 15 years. 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.
The eighth edition of Manual J contains “greater flexibilities and sensitivities to new construction materials and methods which have become prevalent since the 1980s,” stated ACCA. The new edition includes: